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Kohler Cimarron K-31621 vs American Standard Champion 4

A sourced, side-by-side comparison. Kohler Cimarron K-31621 is cheaper at $213. Every spec and price links to its source.

Which is better: the Kohler Cimarron K-31621 or American Standard Champion 4?

On the specs we track, they're closely matched. The Kohler Cimarron K-31621 is the cheaper at $213.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Kohler Cimarron K-31621 American Standard Champion 4
US price $213 $436
BrandKohlerAmerican Standard
Released
Flush type gravity
Flush volume gpf 1.28 1.6
Map score
Bowl shape elongated elongated
Bowl height inches
Rough in inches 12 12
Trapway diameter inches
Piece count two-piece two-piece
Water sense certified Yes No
Seat included No Yes
Weight pounds

Sources — Kohler Cimarron K-31621: studiokohler.com (verified 2026-07-13). American Standard Champion 4: americanstandard-us.com (verified 2026-07-13).

What's the difference between the Kohler Cimarron K-31621 and American Standard Champion 4?

Where the two actually differ on the specs we track (3 of 11). Matching specs are omitted.

  • Flush volume gpf: Kohler Cimarron K-31621 1.28 vs American Standard Champion 4 1.6
  • Water sense certified: Kohler Cimarron K-31621 true vs American Standard Champion 4 false
  • Seat included: Kohler Cimarron K-31621 false vs American Standard Champion 4 true

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