Delta
Delta Leland 9178-AR-DST
$585
Best Kitchen Faucets · head-to-head
A sourced, side-by-side comparison. Grohe Concetto 32665001 is cheaper at $449. Every spec and price links to its source.
Delta
$585
Grohe
$449Cheaper
On the specs we track, they're closely matched. The Grohe Concetto 32665001 is the cheaper at $449.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | Grohe Concetto 32665001 |
|---|---|---|
| US price | $585 | $449 |
| Brand | Delta | Grohe |
| Released | — | — |
| Flow rate gpm | 1.8 | 1.75 |
| Spout height (in) | — | — |
| Spout reach (in) | — | 8.63 |
| Spray modes | — | 2 |
| Activation type | manual | manual |
| Handle type | single-handle | single-handle |
| Mounting holes | 1 | 1 |
| Valve type | DIAMOND Seal Valve | ceramic-disc |
| Body material | — | brass |
| Finish options count | 6 | — |
| Swivel degrees | 360 | 360 |
| Lifetime warranty | Yes | Yes |
Sources — Delta Leland 9178-AR-DST: deltafaucet.com (verified 2026-07-11). Grohe Concetto 32665001: grohe.us (verified 2026-07-11).
Where the two actually differ on the specs we track (2 of 12). Matching specs are omitted.