We earn a commission from qualifying purchases at no extra cost to you. This never influences our rankings.
Independent rankings, no fluff

Best Flushing Elongated Toilets of 2026

An elongated toilet gives you a longer, more comfortable bowl, but the longer bowl also holds more water surface to clear, so flush power matters more, not less. This roundup ranks the best flushing elongated toilets of 2026 strictly by flushing performance: independent MaP (Maximum Performance) flush-test scores, trapway and flush-valve size, flush technology, EPA WaterSense efficiency at 1.28 gallons per flush, and the clog patterns that show up across thousands of aggregated owner reviews. Every toilet below pairs a true elongated bowl with a flush strong enough to clear it in a single pull, so comfort never costs you power.

Why Trust Best Flushing Toilets

  • Flushing power and MaP flush-test scores
  • Water efficiency (GPF and EPA WaterSense)
  • Aggregated owner reviews
  • Clog resistance and trapway design
  • Brand reliability and warranty

Research updated June 2026.

Quick Answer

The TOTO Drake II is the best flushing elongated toilet for most homes. Its elongated bowl posts a perfect 1,000-gram MaP score using TOTO's Double Cyclone system at just 1.28 gallons, the strongest efficient flush in the category. For raw clog resistance choose the American Standard Champion 4 with its 4-inch valve, and for the best value flush pick the American Standard Cadet 3.

When people shop for an elongated toilet they usually start with comfort, but the question that decides whether they keep it is flushing power. An elongated bowl is oval and measures roughly 18.5 inches from the seat bolts to the front rim, about two inches longer than a round-front bowl at 16.5 inches. That extra length gives adults more room and a wider water surface, but it also means there is more bowl to rinse and clear on every flush. A weak elongated toilet streaks, leaves residue at the front of the longer bowl, and needs a second pull, which is exactly the problem this roundup is built to avoid. The goal here is not just an elongated bowl, but the elongated bowl with the strongest, most reliable flush at the lowest practical water use.

We do not install or test these toilets ourselves. Instead we compare published manufacturer specifications, independent MaP (Maximum Performance) flush-test scores, EPA WaterSense certification, flush-valve and trapway dimensions, and the patterns across thousands of verified owner reviews. For a flushing-focused elongated roundup the priorities are strict: does the longer bowl clear in a single flush, how high is the MaP score, how wide is the trapway, and does the model hold that power at an efficient 1.28 gallons. Most of our picks rate 800 to 1,000 grams on the MaP test, where 350 grams is only the residential pass threshold and 600 grams or higher is considered strong. For the full performance-first ranking across every bowl shape, start with our pillar guide to the best flushing toilets, and for the absolute highest scores see our list of the strongest flushing toilets of 2026.

What Is the Best Flushing Elongated Toilet?

The TOTO Drake II is the best flushing elongated toilet for most homes because it posts a perfect 1,000-gram MaP flush score using TOTO's Double Cyclone system at just 1.28 gallons, the strongest efficient flush in the elongated category. For maximum clog resistance under heavy use, the American Standard Champion 4 matches that 1,000-gram score with a wider 4-inch flush valve, and the American Standard Cadet 3 is the best value elongated toilet with its own 1,000-gram flush.

How We Research and Rank Flushing Elongated Toilets

Every toilet here had to pair a genuine elongated bowl with a flush that clears it reliably and efficiently. We favored models with high independent MaP scores, wide and fully glazed trapways that resist clogs, large flush valves that move water with force, and EPA WaterSense certification at 1.28 gallons per flush or better. We weighted flush technology heavily, since the way a toilet moves water decides how well the longer elongated bowl clears: TOTO's Double Cyclone and G-Max systems, Kohler's Class Five and AquaPiston canister, and American Standard's wide-valve gravity designs each clear waste differently. We noted that a bigger bowl asks more of the flush, so a toilet that scores 1,000 grams in an elongated body is doing more work than the same score in a round one. We weighted verifiable specs and aggregated owner feedback over marketing language, and we do not take payment for placement. The table below summarizes how the picks compare on the numbers that decide flush performance.

ToiletBest ForMaPGPFRatingCheck Price
TOTO Drake IIStrongest efficient flush1000 g1.284.8Check price
American Standard Champion 4Most clog-resistant1000 g1.64.5Check price
American Standard Cadet 3Best value flush1000 g1.284.5Check price
TOTO DrakeBest classic G-Max flush800 g1.284.7Check price
Kohler CimarronBest Kohler flush1000 g1.284.6Check price
TOTO UltraMax IIBest one-piece flush800 g1.284.7Check price
TOTO Vespin IIBest skirted flush1000 g1.284.6Check price
Gerber ViperBudget strong flush1000 g1.284.3Check price
Woodbridge T-0001Best dual-flush siphon800 g1.0 / 1.64.5Check price

The 9 Best Flushing Elongated Toilets of 2026, Reviewed

TOTO Drake II toilet
1
Best Overall

TOTO Drake II

4.8 Strongest efficient flush

The Drake II is the flushing elongated toilet we recommend to most shoppers because it posts a perfect 1,000-gram MaP score using TOTO's Double Cyclone system at just 1.28 gallons, which is the strongest efficient flush you can buy in an elongated body.

Flush TypeSingle, Double Cyclone
GPF1.28
MaP Score1000 grams
Bowl HeightComfort (16.5 in)
Warranty1-year limited
Best For
  • Busy bathrooms tired of double-flushing
  • A top-tier flush at low water use
  • A longer bowl that still clears in one pull
Not Ideal For
  • Tight bathrooms short on floor depth
  • Anyone who needs the seat in the box

The Double Cyclone system uses two angled nozzles instead of conventional rim holes to create a strong centrifugal rinse, which clears the longer elongated bowl in a single flush and keeps more of the bowl surface clean than a standard rim wash. The fully glazed CeFiONtect bowl resists stains and bacteria, it carries EPA WaterSense certification, and a 10-inch rough-in version exists for older walls.

Owners and plumbers rate the Drake II as one of the most dependable, low-clog toilets sold, and many keep one in service for years without a single jam. The partially concealed trapway wipes down faster than a fully exposed one, though the seat sells separately, which is the main knock against an otherwise complete package.

Expert Take

When you want the strongest elongated flush without moving up to 1.6 gallons, start here. The Drake II is one of the very few toilets that posts a perfect 1,000-gram MaP score while staying at 1.28 gallons, so the longer bowl clears in one pull and your water bill does not pay for it.

Check price on Amazon
Bottom Line: The flushing elongated toilet to beat, pairing a longer bowl with a perfect 1,000-gram flush at an efficient 1.28 gallons.
American Standard Champion 4 toilet
2
Most Clog-Resistant

American Standard Champion 4

4.5 Heavy-use households

The Champion 4 pairs a comfortable elongated bowl with one of the most clog-resistant flushes on the market, built around an oversized 4-inch flush valve and an extra-wide trapway, which makes it the pick for a busy household tired of plunging.

Flush TypeSingle, gravity (4-in valve)
GPF1.6
MaP Score1000 grams
Bowl HeightComfort (16.5 in)
WarrantyLimited lifetime (china)
Best For
  • Households that fight frequent clogs
  • A wide 2-3/8-inch trapway that rarely jams
  • Maximum bulk-clearing flush power
Not Ideal For
  • Strict low-flow households (1.6 GPF)
  • Quiet-flush priorities

The 4-inch flush valve is the largest in this lineup, dumping a huge volume of water fast, and the extra-wide fully glazed trapway passes bulk that would jam a narrower model. Owners with a real history of clogs single it out as the toilet that finally stopped the problem, and the elongated bowl gives full sitting comfort while it does the work.

The trade-off is water and noise. At 1.6 gallons it uses more than the WaterSense picks here, and the big valve makes the flush noticeably louder. For a heavy-use family bathroom, though, the near-zero clog rate is often worth both, and the lifetime china warranty backs the build. For more on volume-focused models, see our guide to the best toilet for heavy waste.

Expert Take

Reach for the Champion 4 when the bathroom takes real volume and you are done plunging. It is not the most efficient or quietest pick, but few elongated toilets are this hard to clog, and the 4-inch valve plus wide trapway are exactly why owners trust it for years.

Check price on Amazon
Bottom Line: The most clog-resistant elongated flush here, built around a 4-inch valve for a busy bathroom that handles real volume.
American Standard Cadet 3 toilet
3
Best Value

American Standard Cadet 3

4.5 Whole-house upgrades

The Cadet 3 is the value flush benchmark in elongated toilets, pairing a longer bowl with a top-tier 1,000-gram MaP score driven by a wide 3-inch flush valve, at a price that suits a whole-house upgrade.

Flush TypeSingle, gravity (3-in valve)
GPF1.28
MaP Score1000 grams
Bowl HeightComfort (16.5 in)
WarrantyLimited lifetime (china)
Best For
  • Whole-house upgrades on a budget
  • A 1,000-gram flush at 1.28 gallons
  • Stain and odor resistance
Not Ideal For
  • Shoppers who want a hidden trapway
  • A design-forward look

You give up no flush strength to save money here. The wide 3-inch flush valve and large trapway drive a forceful gravity flush that clears the elongated bowl, while the EverClean surface resists stains and odor-causing bacteria and a 10-inch rough-in version is available for older walls. At an efficient 1.28 gallons it keeps water use low.

Owners describe a strong, dependable flush across years of daily use, which is why the Cadet 3 is an easy recommendation when you need to replace more than one toilet at once. The styling is plain and the trapway exposed, but the value against that 1,000-gram flush is hard to beat. If money is the main filter, our best flushing toilet for the money guide goes deeper.

Expert Take

This is the value pick the rest of the list is measured against. If you need a strong, low-clog elongated flush and every dollar counts, the Cadet 3 delivers premium flush power and a stain-resistant glaze for a fraction of the price, with a 10-inch rough-in option for awkward older bathrooms.

Check price on Amazon
Bottom Line: The best value flushing elongated toilet, pairing a 1,000-gram MaP flush with a stain-resistant EverClean glaze at a budget price.
TOTO Drake toilet
4
Best Classic Flush

TOTO Drake

4.7 Proven workhorse flush

The original Drake is a long-running plumber favorite, pairing an elongated bowl with TOTO's G-Max siphon-jet flush, a 3-inch valve and a wide computer-designed trapway that clears the bowl with proven, dependable force.

Flush TypeSingle, G-Max siphon jet
GPF1.28
MaP Score800 grams
Bowl HeightStandard (15 in)
Warranty1-year limited
Best For
  • A proven, dependable everyday flush
  • Wide trapway clog resistance
  • Standard-height seating preference
Not Ideal For
  • Comfort-height seating needs
  • Owners wanting the very top MaP score

The G-Max system pairs a large 3-inch flush valve with a wide, fully glazed siphon-jet trapway, moving water fast enough to clear the elongated bowl with a forceful, quiet rinse. It is the flush that built TOTO's reputation, and contractors keep specifying it because it simply does not jam in normal use.

Owners describe years of trouble-free flushing and easy parts availability. The classic Drake sits at standard height rather than comfort height, so taller users may prefer the Drake II, but as a pure value-to-flush proposition the original is one of the most trusted elongated toilets sold. A Washlet-ready version exists if you want a bidet seat later.

Expert Take

If you want TOTO flush quality at a lower price than the Drake II and do not need comfort height, the original Drake is the smart buy. The G-Max siphon jet is a genuinely strong, proven flush, and the wide glazed trapway is the reason plumbers have trusted this model for decades.

Check price on Amazon
Bottom Line: A proven G-Max siphon-jet flush in an elongated body, the workhorse choice for dependable everyday power.
Kohler Cimarron toilet
5
Best Kohler

Kohler Cimarron

4.6 Kohler loyalists

The Cimarron is Kohler's strongest mainstream elongated two-piece, pairing a comfort-height bowl with the brand's Class Five flushing system, which posts a top-tier 1,000-gram MaP score at an efficient 1.28 gallons.

Flush TypeSingle, Class Five
GPF1.28
MaP Score1000 grams
Bowl HeightComfort (16.5 in)
Warranty1-year limited
Best For
  • A strong 1,000-gram Kohler flush
  • Comfort-height seating for taller adults
  • Wide parts availability
Not Ideal For
  • Owners who dislike a two-piece seam
  • Buyers expecting the seat included

The Class Five system pairs a large 3.25-inch flush valve with a wide trapway to move a strong, wide rinse that clears the elongated bowl in one flush. An AquaPiston canister opens to let water in from all sides of the valve, releasing it faster than a standard flapper, and it lasts longer too. Comfort-height seating sits at chair height for an easier stand and sit.

Owners praise the balance of a powerful flush, a low water figure and the reliable, well-supported design Kohler is known for, with parts at any home-improvement store. The styling is conventional and the trapway exposed, but on pure flushing the Cimarron is one of the strongest elongated toilets in its class.

Expert Take

If you prefer Kohler or want the easiest parts availability, the Cimarron is the elongated flush pick to start with. The Class Five system and AquaPiston canister are genuinely strong and long-lived, and comfort height makes the longer bowl easier to use for taller adults.

Check price on Amazon
Bottom Line: The best flushing mainstream Kohler elongated toilet, with a powerful Class Five flush, comfort height and unmatched parts support.
TOTO UltraMax II toilet
6
Best One-Piece

TOTO UltraMax II

4.7 Seamless easy cleaning

The UltraMax II puts the same Double Cyclone flush as the Drake II into a seamless one-piece body, so you get a strong elongated rinse with no tank-to-bowl joint, making the larger bowl faster to wipe clean.

Flush TypeSingle, Double Cyclone
GPF1.28
MaP Score800 grams
Bowl HeightComfort (17.25 in)
Warranty1-year limited
Best For
  • A modern, seamless bathroom look
  • A strong Double Cyclone flush, easy clean
  • An included SoftClose seat
Not Ideal For
  • Solo DIY installs (it is heavy)
  • The tightest budgets

The Double Cyclone flush moves a strong, wide rinse that owners rate highly for single-flush reliability, and the seamless skirted body has no exposed bolts or crevices, so cleaning the longer elongated bowl takes a single pass. The fully glazed CeFiONtect surface resists staining between cleanings.

Reviewers consistently praise how dependable the flush is over years of use and how little upkeep the clean lines demand. The one-piece body is heavier to lift and costs more than a comparable two-piece, so plan the install with a second pair of hands. A SoftClose seat is included, which the Drake II lacks.

Expert Take

For a modern bathroom where you want a strong flush and minimal cleaning, this is the standout elongated one-piece. You get the same Double Cyclone flush as the Drake II plus an included seat, which makes it the most complete package in the lineup, just plan for the heavier lift on install day.

Check price on Amazon
Bottom Line: A strong Double Cyclone flush in a seamless one-piece elongated body with an included seat, the easiest pick to keep clean.
TOTO Vespin II toilet
7
Best Skirted

TOTO Vespin II

4.6 Clean styling, strong flush

The Vespin II is essentially a skirted, two-piece take on the Drake II, keeping the same perfect 1,000-gram Double Cyclone flush while hiding the trapway behind a smooth skirt so the elongated body has no crevices to scrub.

Flush TypeSingle, Double Cyclone
GPF1.28
MaP Score1000 grams
Bowl HeightComfort (16.5 in)
Warranty1-year limited
Best For
  • A top-tier 1,000-gram flush
  • An easy-to-clean skirted look
  • Two-piece serviceability with one-piece style
Not Ideal For
  • Standard mounting hardware (uses a special kit)
  • The tightest budgets

It posts a perfect 1,000-gram MaP score with the Double Cyclone flush at 1.28 gallons and carries EPA WaterSense certification, so you get the Drake II's flush in a cleaner shape. The skirted design covers the trapway with a flat side panel, so there are no ridges trapping grime around the base of the larger bowl.

Owners like that they get a clean, modern look and a strong flush without committing to a heavy one-piece, since the two-piece body is easier to carry and service. The skirted mount uses a special install kit rather than a standard flange bolt pattern, so read the instructions before you start.

Expert Take

When you want the Drake II's perfect 1,000-gram flush but prefer a cleaner skirted body and easy two-piece handling, the Vespin II is the smart middle ground. Just plan for the special mounting kit on installation day rather than standard flange bolts.

Check price on Amazon
Bottom Line: A skirted, easy-clean elongated body with a top-tier 1,000-gram Double Cyclone flush, in a serviceable two-piece form.
Gerber Viper toilet
8
Best Budget Flush

Gerber Viper

4.3 No-frills strong flush

The Gerber Viper is a plumber-favorite workhorse in an elongated, comfort-height configuration, plain in looks but strong where it counts, posting a high 1,000-gram MaP score for the least money in this roundup.

Flush TypeSingle, gravity siphon jet
GPF1.28
MaP Score1000 grams
Bowl HeightComfort (16.5 in)
Warranty5-year limited
Best For
  • Rentals and basement bathrooms
  • A 1,000-gram flush on a budget
  • Easy servicing with common parts
Not Ideal For
  • A design-forward bathroom
  • Owners who want a skirted look

It clears the elongated bowl with a forceful siphon-jet flush at an efficient 1.28 gallons, and the wide, fully glazed trapway resists the clogs that plague many budget toilets. A 10-inch rough-in option is available for older walls, which is rare at this price.

Contractors reach for Gerber in rentals and basements precisely because it is dependable and inexpensive to maintain, with parts any plumber can source. If your priority is a strong elongated flush and you do not need designer styling, the Viper delivers more flush per dollar than anything else here.

Expert Take

For a landlord or anyone fitting out a basement or utility bath, this is the smart-money flushing pick. You get a full 1,000-gram flush and a wide, clog-resistant trapway for the least outlay, with parts any plumber can find in a hurry.

Check price on Amazon
Bottom Line: A 1,000-gram flush in a comfortable elongated body for the least money, ideal for rentals and utility baths.
Woodbridge T-0001 toilet
9
Best Dual-Flush

Woodbridge T-0001

4.5 Modern skirted value

The Woodbridge T-0001 is a skirted, elongated one-piece with a dual-flush siphon that offers a strong 1.6-gallon solid flush and a water-saving 1.0-gallon liquid flush, delivering a high-end modern look at a mid-range price.

Flush TypeDual, siphon
GPF1.0 / 1.6
MaP Score800 grams
Bowl HeightComfort (16.5 in)
Warranty5-year / 1-year limited
Best For
  • A strong solid flush plus water savings
  • A modern skirted look for less
  • A complete kit with seat included
Not Ideal For
  • Buyers wanting a major-brand parts network
  • The strongest single 1.28-gallon flush

The dual-flush siphon gives you a 1.6-gallon solid flush that clears the elongated bowl with a strong, quiet rinse, plus a 1.0-gallon liquid flush for everyday savings, so heavy and light loads each get the right water. The seamless skirted body and soft-close seat come included, so the package looks and feels more expensive than it costs.

Owners report a reliable, quiet flush and consistently call out the styling and value, while noting that replacement parts come through Woodbridge rather than a big-box aisle, so keep the model number handy. For a modern remodel that wants a strong solid flush with water savings on lighter loads, it is a strong choice.

Expert Take

For a remodel that wants a strong solid flush plus the option to save water on lighter loads, the T-0001 is the dual-flush standout. The included soft-close seat and skirted body make it a complete package, just source replacement parts directly from Woodbridge rather than a hardware store.

Check price on Amazon
Bottom Line: A modern skirted elongated one-piece with a strong dual-flush siphon and an included seat, at a mid-range price.
Expert Take

Across all nine picks the pattern is clear: a longer elongated bowl no longer means a weaker flush. The Drake II, Champion 4, Cadet 3, Cimarron, Vespin II and Viper all post a perfect 1,000-gram MaP score, so comfort and power now come together. The real decision is which kind of power you need: the Drake II for the strongest efficient flush at 1.28 gallons, or the Champion 4 for maximum bulk-clearing clog resistance at 1.6. Buy the elongated body with the MaP score and trapway that match how hard the bathroom works, confirm your rough-in and floor depth, and only then worry about one-piece versus two-piece or finish.

Which Elongated Toilet Has the Strongest Flush?

The TOTO Drake II has the strongest efficient flush among elongated toilets, posting a perfect 1,000-gram MaP score with its Double Cyclone system at just 1.28 gallons. The American Standard Champion 4 matches that 1,000-gram score using a wider 4-inch flush valve, but at 1.6 gallons. For the strongest flush at low water use choose the Drake II; for raw clog resistance under heavy use, the Champion 4 is the alternative.

What Is a Good MaP Score for a Flushing Elongated Toilet?

A good MaP score for a flushing elongated toilet is 600 grams or higher, with 800 to 1,000 grams considered strong. MaP testing measures how many grams of solid waste a toilet clears in a single flush, and 350 grams is the minimum residential pass. Because the longer elongated bowl has more surface to clear, aim for at least 800 grams in a busy bathroom and 600 grams or more in a low-traffic one.

How to Choose a Flushing Elongated Toilet

Buying for flush power is about reading the right specs in the right order, then confirming the longer bowl physically fits the room. The checks below cover the mistakes that lead to a weak flush, a return, or a toilet that fits but underperforms.

Read the MaP score, not the marketing

Flush performance is decided by an independent test, not by a brand's flush name. The MaP (Maximum Performance) score tells you how many grams of solid waste a toilet clears in a single flush, and it is the most reliable number you can compare. Aim for 800 grams or higher for a busy bathroom and at least 600 grams for a low-traffic one, since 350 grams is only the residential pass threshold. Every elongated pick in this roundup scores 800 grams or above, and six of the nine hit a perfect 1,000 grams, so a strong elongated flush is available at every price point. For the highest scores across all bowl shapes, see our roundup of the strongest flushing toilets and our list of 1,000-gram MaP toilets.

Check the flush valve and trapway size

Two physical numbers drive flush power. The flush valve controls how fast water leaves the tank: a 3-inch valve moves water much faster than the older 2-inch standard, and the American Standard Champion 4 uses an oversized 4-inch valve for the most volume here. The trapway is the channel the waste passes through, and a wider, fully glazed trapway resists clogs and passes bulk that would jam a narrower one. On an elongated toilet these matter more, because the longer bowl gives the flush more surface to clear, so favor a large valve and a wide glazed trapway over a clever-sounding flush name.

Match flush technology to your priority

Flush systems clear the longer bowl differently. TOTO's Double Cyclone and G-Max use angled nozzles and a powerful siphon jet for a strong, efficient rinse that also keeps the bowl clean. Kohler's Class Five pairs a wide valve with an AquaPiston canister that releases water from all sides. American Standard's wide-valve gravity designs prioritize raw bulk-clearing force. Pressure-assist systems flush hardest of all but are louder, covered in our guide to the best flushing toilets. Pick the technology that matches whether you value efficiency, clog resistance or quiet.

Balance flush power against water use. A 1.28-gallon WaterSense toilet like the Drake II or Cadet 3 saves about 20 percent over the 1.6-gallon federal maximum, and modern designs hit 1,000-gram MaP scores at that lower volume. You only need to step up to a 1.6-gallon model like the Champion 4 when you are chasing maximum bulk-clearing clog resistance in a heavy-use bathroom, not for a typical household.

Confirm rough-in and floor depth before you buy

Flush power means nothing if the toilet does not fit. The rough-in is the distance from the finished wall to the center of the floor bolts, and most homes are 12 inches, though 10 and 14 inch rough-ins exist in older spaces, so confirm yours. An elongated bowl projects roughly 29 to 31 inches from the wall, two to four inches more than a round bowl, and most codes require at least 21 inches of clear space in front. The Drake II, Cadet 3, Viper and others publish 10-inch rough-in versions for older walls, so a strong elongated flush is available even in awkward bathrooms.

Expert Take

For a flushing-first elongated toilet, the order of operations is simple: read the MaP score, then the valve and trapway size, then choose the flush technology that fits your priority, and only then confirm rough-in and floor depth. Aim for 800 grams or higher, favor a 3-inch or larger valve and a wide glazed trapway, and let a 1.28-gallon WaterSense model be the default unless heavy-use clog resistance pushes you to a 1.6-gallon Champion 4. Buy on flush and fit first, finish second, and any pick here will clear a longer bowl in one pull for years.

Which Flushing Elongated Toilet Offers the Best Value?

The American Standard Cadet 3 offers the best value among flushing elongated toilets, pairing a top-tier 1,000-gram MaP flush and a wide 3-inch valve with a stain-resistant EverClean glaze at a budget price. For an even cheaper option in rentals and basements, the Gerber Viper delivers a similar 1,000-gram flush and a wide trapway for less, making both strong picks when you need flush power without a premium price.

Do Elongated Toilets Flush as Well as Round Ones?

Yes, modern elongated toilets flush as well as round ones. Flush strength comes from the bowl geometry, flush valve and trapway, not the bowl shape, so a well-designed elongated model matches a round one on MaP score. Many elongated toilets from TOTO, Kohler and American Standard post 800 to 1,000 gram MaP scores, the same as the strongest round models, while the longer bowl actually keeps a wider water surface cleaner.

Sources

  • EPA WaterSense, epa.gov/watersense
  • MaP (Maximum Performance) flush testing, map-testing.com
  • Manufacturer published specifications (TOTO, Kohler, American Standard)
FAQ

Frequently Asked Questions

? What is the best flushing elongated toilet?

The TOTO Drake II is the best flushing elongated toilet for most homes. It posts a perfect 1,000-gram MaP score using TOTO's Double Cyclone system at just 1.28 gallons, carries EPA WaterSense certification, and its fully glazed CeFiONtect bowl resists stains. For maximum clog resistance under heavy use, the American Standard Champion 4 matches that score with a 4-inch valve at 1.6 gallons.

? Do elongated toilets flush better than round ones?

Not inherently. Flush strength comes from bowl geometry, trapway size and the flush valve, not from bowl shape. Many elongated models rate 800 to 1,000 grams on the independent MaP test, the same as the strongest round toilets. The longer elongated bowl does have a wider water surface that stays cleaner, but check the MaP score rather than assuming an elongated toilet flushes harder.

? What is a good MaP score for an elongated toilet?

Aim for 600 grams or higher, with 800 to 1,000 grams considered strong. MaP testing measures how many grams of solid waste a toilet clears in a single flush, and 350 grams is the minimum residential pass. Because the longer elongated bowl has more surface to clear, target at least 800 grams in a busy bathroom and 600 grams or more in a low-traffic one.

? Which elongated toilet has the strongest flush?

The TOTO Drake II posts a perfect 1,000-gram MaP score at just 1.28 gallons, making it the strongest efficient elongated flush. The American Standard Champion 4 also hits 1,000 grams using an oversized 4-inch valve, but at 1.6 gallons. For heavy-use households focused on raw clog resistance, the Champion 4 is the alternative; for the strongest flush at low water use, choose the Drake II.

? Why does flush power matter more on an elongated toilet?

An elongated bowl is about two inches longer than a round one, which means more bowl surface and a wider water area to rinse and clear on each flush. A weak flush is more likely to leave residue at the front of the longer bowl or require a second pull. That is why a high MaP score, a wide trapway and a large flush valve matter more on an elongated toilet than on a round one.

? What flush valve size should an elongated toilet have?

Look for a 3-inch flush valve or larger. A 3-inch valve releases water from the tank much faster than the older 2-inch standard, driving a stronger flush that clears the longer elongated bowl. The American Standard Champion 4 uses an oversized 4-inch valve for the most volume, while the TOTO Drake and Cadet 3 use efficient 3-inch valves that still hit 1,000-gram MaP scores.

? What is the difference between G-Max and Double Cyclone flushing?

Both are TOTO systems. G-Max uses a large 3-inch valve and a wide siphon-jet trapway for a strong, quiet gravity flush, as on the original Drake. Double Cyclone, on the Drake II and UltraMax II, replaces conventional rim holes with two angled nozzles that create a centrifugal rinse, clearing the bowl and keeping more of its surface clean at the same low 1.28 gallons.

? Is a 1.28 or 1.6 gallon elongated toilet better for flushing?

For most homes a 1.28-gallon WaterSense model is better, since modern designs like the Drake II and Cadet 3 hit a perfect 1,000-gram MaP score at that lower volume. Step up to 1.6 gallons, like the Champion 4, only when you want maximum bulk-clearing clog resistance in a heavy-use bathroom and do not mind the extra water and noise.

? What is the best value flushing elongated toilet?

The American Standard Cadet 3 is the best value, pairing a top-tier 1,000-gram MaP flush and a wide 3-inch valve with a stain-resistant EverClean surface at a budget price. The Gerber Viper is the cheaper alternative for rentals and basements, delivering a similar 1,000-gram flush and a wide trapway for less, so both give strong flush power without a premium price.

? How do I stop an elongated toilet from clogging?

Choose a model with a MaP score of 800 grams or higher and a wide, fully glazed trapway, such as the TOTO Drake II, American Standard Champion 4 or Cadet 3, and avoid flushing wipes or excess paper. Trapway design and flush valve size matter far more than bowl shape for clog resistance, so a well-chosen elongated toilet is just as clog-proof as any round model.

? Does WaterSense certification mean a weaker flush?

No. EPA WaterSense certification requires a toilet to use 1.28 gallons per flush or less while still passing flush-performance standards, so a labeled toilet has proven its flush, not just its efficiency. Most of our elongated picks carry the label and hit 800 to 1,000 gram MaP scores, so you get a strong flush and lower water use together.

? Which brands make the best flushing elongated toilets?

TOTO, Kohler and American Standard lead for flushing performance, with strong value options from Gerber, Woodbridge and Swiss Madison. These brands publish full specs and post reliable MaP scores, so you can match an elongated body to a proven flush. TOTO in particular dominates the high end with its Double Cyclone and G-Max systems, while American Standard leads on raw clog resistance.

? Are pressure-assisted elongated toilets stronger flushers?

Pressure-assist toilets use compressed air to force water out and flush hardest of all, clearing bulk that a gravity model might leave. The trade-off is a much louder flush and pricier parts. For most homes a strong gravity elongated toilet like the Drake II or a wide-valve Champion 4 clears the bowl reliably without the noise, so pressure-assist is best reserved for commercial-grade demand.

? Can I replace a round toilet with a flushing elongated one?

Yes, as long as you have the floor depth. Bowl shape does not change the rough-in, so an elongated toilet bolts to the same flange and supply line as the round one it replaces, provided both share the same rough-in measurement. Just confirm the extra two to four inches of projection still leaves the required 21 inches of clearance in front of the bowl and for the door swing.

? Does a one-piece elongated toilet flush better than a two-piece?

Not by design. Flush power comes from the valve, trapway and bowl geometry, not from whether the body is one or two pieces. The one-piece TOTO UltraMax II and two-piece Drake II share the same Double Cyclone system, so they flush similarly. One-piece models are easier to clean because there is no seam, while two-piece models are lighter to carry and cost less.

? How wide should the trapway be on an elongated toilet?

A larger trapway resists clogs and passes more bulk, so favor a wide, fully glazed channel. The American Standard Champion 4 uses an extra-wide 2-3/8-inch trapway, among the largest available, which is why it rarely jams. Most strong elongated toilets use a fully glazed trapway around 2 to 2-1/8 inches, and the glaze matters as much as the width because it lets waste slide through without snagging.

? Are elongated toilets harder to keep clean with a strong flush?

No, the opposite tends to be true. A strong flush with a wide water surface, like TOTO's Double Cyclone, rinses more of the longer bowl on each use, so less residue is left behind. A one-piece body like the UltraMax II or a skirted design like the Vespin II removes seams where grime collects, and a fully glazed surface such as CeFiONtect resists staining, so the larger bowl stays cleaner between scrubs.

? What MaP score do plumbers recommend for a family bathroom?

For a busy family bathroom, plumbers generally recommend 800 grams or higher, and many prefer a full 1,000-gram model like the Drake II, Cadet 3 or Champion 4. A high score means the toilet clears more in a single flush, which cuts double-flushing and clogs in the rooms that see the most use. Low-traffic guest baths can drop to 600 grams without issue.

? Is the TOTO Drake or Drake II a stronger flusher?

The Drake II is the stronger flusher, posting a perfect 1,000-gram MaP score with its Double Cyclone system versus 800 grams for the G-Max original Drake, both at 1.28 gallons. The Drake II also sits at comfort height. The classic Drake remains a proven, dependable flush at a lower price, so it is the value choice if you do not need the very top score.

? Do flushing elongated toilets come with a seat?

It varies. Some, like the TOTO UltraMax II and Woodbridge T-0001, include a soft-close seat, while two-piece models such as the TOTO Drake II, Drake and Cadet 3 usually sell the seat separately. Always check the listing, since an elongated bowl requires an elongated seat, and budget for one if it is not in the box.

Our Verdict

For most homes the TOTO Drake II is the best flushing elongated toilet, pairing a longer comfortable bowl with a perfect 1,000-gram Double Cyclone flush at just 1.28 gallons, the strongest efficient flush in the category. Choose the American Standard Champion 4 when you want maximum clog resistance from a 4-inch valve, the American Standard Cadet 3 for the best value flush, the TOTO Drake for a proven classic G-Max workhorse, the Kohler Cimarron for the strongest Kohler flush, the TOTO UltraMax II for a seamless one-piece, the TOTO Vespin II for an easy-clean skirted body, the Gerber Viper for the least money, and the Woodbridge T-0001 for a strong dual-flush siphon with water savings. Read the MaP score first, favor a 3-inch or larger valve and a wide glazed trapway, confirm your rough-in and floor depth, and any pick here will clear a longer bowl in a single pull for years.

How we rank & our data sources

We do not run physical lab tests. Rankings are built from published, verifiable data and real owner feedback, never paid placement.

Researched by Marcus Bell · Last updated June 28, 2026 · Our review method

M
Researched by Marcus Bell

Marcus compiles bathroom-fixture data, MaP flush scores, GPF ratings, trapway and flush-valve specs, and weighs them against thousands of verified owner reviews to build our rankings. He does not run physical lab tests; every verdict is sourced from published specifications, certifications (MaP, EPA WaterSense) and real owner feedback.

Updated June 2026 · Toilets
Keep reading

Related guides

Best Scandinavian Toilets (2026)

Best Scandinavian Toilets (2026)

Toilets
4.6

Clean, low-profile silhouettes with real MaP-verified flush performance and efficient dual-flush water use, sized for a minimalist Nordic bathroom without sacrificing function.

Read the guide
Best English Toilets (2026)

Best English Toilets (2026)

Toilets
4.6

Classic two-piece toilets with tall tanks and elegant, understated proportions, the quiet country-house look that suits a traditional English bathroom without tipping…

Read the guide
Best Asian Toilets (2026)

Best Asian Toilets (2026)

Toilets
4.6

Clean-lined skirted and one-piece toilets with simple geometry and low profiles that suit a broad East Asian-influenced bathroom, backed by real verified…

Read the guide