Ryobi
Ryobi 40V HP Brushless 21" Self-Propelled (RY401140)
$549Cheaper
Released 2020
Best Lawn Mowers · head-to-head
A sourced, side-by-side comparison. Ryobi 40V HP Brushless 21" Self-Propelled (RY401140) is cheaper at $549. Every spec and price links to its source.
Ryobi
$549Cheaper
Released 2020
Snapper
$599
Released 2019
On the specs we track, they're closely matched. The Ryobi 40V HP Brushless 21" Self-Propelled (RY401140) is the cheaper at $549.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $549 | $599 |
| Brand | Ryobi | Snapper |
| Released | 2020 | 2019 |
| Power source | battery | battery |
| Cutting width (in) | 21 | 21 |
| Self propelled | Yes | Yes |
| Engine cc or voltage | 40 V | 82 V |
| Deck material | poly (polypropylene) | steel |
| Discharge modes | mulch / bag / side discharge | mulch / bag / side discharge |
| Battery ah | 6 | 2 |
| Release | 2020 | 2019 |
Sources — Ryobi 40V HP Brushless 21" Self-Propelled (RY401140): homedepot.com (verified 2026-06-19). Snapper XD 82V MAX 21" Self-Propelled (SXD21SPWM82K): amazon.com (verified 2026-06-19).
Where the two actually differ on the specs we track (3 of 7). Matching specs are omitted.