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The Kohler Cimarron Toilet Review (1.28 GPF) 2025

Last updated: Nov 27th, 2024 by Katie Powell

 Note: We’re supported by our readers. We earn a commission from product purchases using affiliate links on our site. You help keep us growing! 

Buying a new toilet is an investment for your bathroom. The Kohler Cimarron might just be the one for you.  This is a versatile, high-efficiency toilet that offers a comfortable sitting height and strong flushing technology.

Even with such a powerful flushing system, the Kohler Cimarron only consumes 1.28 gallons per flush while still effectively cleaning the bowl. Thanks to the low water consumption, this toilet is EPA WaterSense certified, which can lead to significantly lower water bills.

Full Review of the Kohler Cimarron Toilet (Updated)

Our team did a complete review of the Cimarron toilet along with gathering facts.

Diagram of Kohler Cimarron toilet with AquaPiston canister, soft close seat, handle left, concealed trapway, 1.28 gallons.

 

“With its fun round shape and reliable flushing system, the Cimarron will become your favorite purchase of the year instantly!”

Pro and Cons

  • AquaPiston canister optimizes suction strength
  • ADA-compliant
  •  Standard installation system
  • It comes with Reveal® Quiet-Close™ seat
  • Supply line is sold separately
Feature List

Flush Specs

  • › Flush System –  AquaPiston 360° Gravity FlushWhat is a AquaPiston 360° Gravity Flush?Flapper-less design using a canister. Water rotates 360 degree into the bowl, creating a powerful flush.
  • › Water Consumption –  1.28 GPFGallons Per FlushEfficient toilets use 1.28 gallons per flush, saving 20% more water than 1.6 GPF toilets.
  • › Type – SingleFlush Type ExplainedA single flush is one press of the lever for a full flush. A dual flush allows the option for a partial or full flush.
  • › Flush Score – 1000 MaPWhat is MaP?Grams of waste removed in a single flush. Scale = 0 - 1000

Design & Style

  • › Style – One-PieceStyle ExplainedTwo-piece toilets has a separate tank and bowl. One-piece toilet has a seamless design of the tank and bowl.
  • › Bowl Shape –  ElongatedShape ExplainedElongated bowls are oval shaped and 2” inches wider than round bowls
  • › Bowl Glaze –  N/A
  • › Trapway Style –  Exposed

Dimensions

  • › Toilet Measurements – ‎29-5/8″ x 19″ x 28-5/8″
  • › Rough-inWhat is a Rough-in?Measurement between center of waste pipe and wall –  12″
  • › Trapway SizeWhat is a Trapway?S-shaped curved channel inside the base of the toilet. Waste travels from the bowl through the trapway, then out the bottom of the toilet. – 2-1/8″
  • › Seat HeightWhat is the Seat Height?The measurement from the floor to the top of the toilet seat. Standard height toilets measure between 15 - 17 inches, while chair height toilets measure 17 inches or more. – 17-1/4″
  • › Rim Height – 16-1/2″
See toilet dimensions
Technical diagram of a toilet with measurements in inches and millimeters indicated for installation purposes. KOHLER K-3619-RA-0 Cimarron dimensions

CHECK – WALMART PRICE          CHECK – AMAZON PRICE

 

This Kohler one-piece unit is WaterSense-certified and ADA compliant!

Image of a white one-piece Kohler Cimarron toilet with dimensions and specifications, including water consumption and flushing score. Flushing Power

This unit utilizes 1.28 gallons per flush, saving you thousands of gallons a year, when compared to traditional 1.6 GPF units. But even with less water, the Cimarron does not sacrifice on suction strength!

The Cimarron toilet harnesses gravity in its precision-engineered tank to increase siphon strength; this prevents any clogs and eliminates any chance of lingering streaks. The toilet’s AquaPiston canister increases flushing power by letting water flow in through every side of the bowl. The high-quality canister resists warping and deterioration withstanding the true test of time.

The Cimarron also has a 3:2 flush valve ratio that optimizes flush performance. The durable canister design has 90% less exposed seal material than traditional three-inch flappers, which means less chance of leakage!

Kohler Cimarron toilet with single-flush gravity, 1.28 GPF, and AquaPiston canister, displayed in a bathroom setting. Smart Design

You’ll notice right away the Cimarron’s elongated bowl and concealed trapway. The toilet’s exterior is glossy and soothing, making it a perfect edition to any bathroom aesthetic.

The Cimarron comes in white, biscuit, dune, ice grey and black black; a right-hand polished chrome trip lever and a seat are included but the supply line is not.

The model utilizes a standard installation system. For installation, you’ll need typical plumbing tools, including a socket wrench. This system ensures a secure fit, but it requires proper alignment and tightening of bolts to prevent water leakage.

The Cimarron has a Comfort Height of 16-1/2” and comes with an elongated bowl shape. These features, along with the lever positioning make the toilet ADA-compliant. The toilet’s chair height helps users take pressure off their knees while sitting and standing up.

Optional Accessories

Although the Cimarron comes with a K-4008 Reveal® Quiet-Close™ elongated toilet seat, there is an other option to choose, which is the K-8298-CR PureWash® E820 Elongated bidet toilet seat with remote control.

Model Comparison

The Cimarron collection features toilets that from the outside all look like cousins, but differ in specific features. Cimarron toilets are available with exposed, concealed, and skirted trapways; we’re partial to the skirted trapway as it cuts down on cleaning time.

Diagram showing various Kohler Cimarron toilet models with different features such as bowl shape, flush capacity, and trip lever.

Units are also available in 1.28 and 1.6 GPF. We think the 1.28 GPF units deliver as much on flushing performance as the more water-consuming units. Water-saving units save you time and money. The 1.28 GPF models provide what you need while being good for the planet and your wallet.

 

READ REVIEWS

Seat Options

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  • K-8298-CR PureWash® E820 Elongated bidet toilet seat with remote control (sold separately)
    K-4008 Reveal® Quiet-Close™ elongated toilet seat (included)
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Product Documentation

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  • Manufacturer Product Listing
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Summary

The Cimarron is a true crowd favorite. Users like the toilet’s modern, sleek look and its reliable flushing performance. Other positive comments bring up the strength of each flush, even when only using 1.28 GPF.

Category iconKohler,  Toilets

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