Spec-by-Spec Comparison
Specification
TOTO
Kohler
Price
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Check current price
Rating
—
—
Glaze
CeFiONtect
Standard ceramic
Design
Low rectangular one-piece, contemporary architectural
One-piece, classic styling
Map Score
800
900
Bowl Shape
Elongated
Elongated
Flush Type
Tornado Flush (Gravity)
AquaPiston (Gravity)
Watersense
1
1
Ada Compliant
1
1
Height Inches
17.25
17.25
Warranty Years
1
1
Rough In Inches
12
12
Gallons Per Flush
1.28
1.28
Warranty Porcelain
Lifetime
Lifetime
Detailed Comparison
Cross-brand premium one-piece pairing at the high-end of the mainstream tier: Aimes ($900-1,000) and Memoirs Stately ($1,000-1,300). Identical flush technology category (1.28 GPF, gravity flush, MaP 1,000g). Aimes uses Tornado Flush + CeFiONtect; Memoirs Stately uses Class Five with Reveal glaze. The choice is decor-driven. Aimes is angular and contemporary — knife-edge bowl, geometric tank. Memoirs Stately is traditional — raised tank platform, beveled edges, period-Victorian references. Either makes a similar quality-of-life impact at a $200 price spread.
Final Verdict
We recommend the TOTO Aimes for contemporary bathrooms; the Kohler Memoirs Stately for traditional and Edwardian-style bathrooms. They serve opposite design aesthetics at similar premium price points.
Pros & Cons Side-by-Side
TOTO Aimes One-Piece Elongated 1.28 GPF Toilet
Pros
- Distinctive low rectangular architectural silhouette
- Tornado Flush + CeFiONtect standard
- SoftClose seat included
- Skirted trapway
- Excellent for modern minimalist bathrooms
- Universal Height (ADA)
Cons
- Premium pricing ($880-$1,080)
- Heavier than standard one-piece (~125 lbs)
- Low silhouette can feel unconventional initially
- Limited color availability — primarily Cotton White
Kohler Memoirs Stately One-Piece Elongated 1.28 GPF Toilet
Pros
- AquaPiston canister flush (longer service life than flapper)
- Classic Memoirs styling — pairs with Kohler Memoirs faucets and lavatories
- One-piece silhouette (no tank-to-bowl seam)
- Comfort Height + elongated bowl
- Available in 4 designer colors (Almond, Biscuit, Black Black, Sandbar special)
- Service-friendly — AquaPiston cassette swap is straightforward
- Kohler lifetime porcelain warranty
Cons
- Premium pricing ($720-$980)
- Heavy one-piece install (~115 lbs)
- Standard ceramic glaze (no Pure-Clean technology)
- AquaPiston cassette is Kohler-proprietary (parts not at Home Depot)
- Tank lid replacement (if cracked) expensive — $180-$320