Compare Mowers
List prices are the manufacturer’s published figures, re-checked daily; they exclude tax, freight and dealer setup.
A side-by-side reference of each model's stated specifications. MowerFacts doesn’t give opinions: where a published, spec-derived rule can separate machines we mark a Data Pick and show the rule; here, read the values and decide what fits your needs.
Best suited for
What each model is built for, from its duty class and key specs. This is a neutral reference — MowerFacts does not rank one model above another.
- Worx 40V 21'' brushless lawn mower — residential: typical home lawns; 20-inch deck; battery (no fuel or engine maintenance)
- Ryobi 40V HP Brushless 20 in Self-Propelled Multi-Blade Mower Kit — residential: typical home lawns; 20-inch deck; battery (no fuel or engine maintenance)
What’s different? The 2 differences that matter most, from the published figures.
- 40V 21'' brushless lawn mower weighs 68 lbs (31 kg); 40V HP Brushless 20 in Self-Propelled Multi-Blade Mower Kit weighs 56 lbs (25.4 kg), a 12 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What 40V 21'' brushless lawn mower's weight means for a trailer ›
- 40V 21'' brushless lawn mower cuts from 1.6 in (41 mm) to 4 in (102 mm); 40V HP Brushless 20 in Self-Propelled Multi-Blade Mower Kit cuts from 1.5 in (38 mm) to 4 in (102 mm). The cut-height range is the shortest and tallest cut the deck offers. Most lawns are kept well inside it.
what isn’t comparable
Not comparable
- Bagger Capacity: not published for 40V HP Brushless 20 in Self-Propelled Multi-Blade Mower Kit.
- Fuel Type: not published for 40V 21'' brushless lawn mower.
- Deck Material: not published for 40V HP Brushless 20 in Self-Propelled Multi-Blade Mower Kit.
- Discharge: not published for 40V 21'' brushless lawn mower.
- Price: 40V 21'' brushless lawn mower is dealer quote only.
Verified means each manufacturer publishes the figure. A bigger number is only a bigger number; nothing here says which machine is better. The full specification table is below.
Which is faster on your property? › Measure your lawn once and MowerFacts times all 2 against it.
| Spec | 40V 21'' brushless lawn mower Worx · Push / Walk-Behind |
40V HP Brushless 20 in Self-Propelled Multi-Blade Mower Kit Ryobi · Push / Walk-Behind |
|---|---|---|
| List price | dealer quote | $499 |
| Engine | ||
| Power Source | battery | battery |
| Fuel Type | — | Battery / Electric |
| Electrical | ||
| Voltage | 40 V | 40 V |
| Deck | ||
| Cutting Width | 20 in (508 mm) | 20 in (508 mm) |
| Min Cut Height | 1.6 in (41 mm) | 1.5 in (38 mm) |
| Max Cut Height | 4 in (102 mm) | 4 in (102 mm) |
| Deck Material | steel | — |
| Discharge | — | Mulching, Bagging, and Side Discharge |
| Cut Positions | 7 | — |
| Drive | ||
| Drive Type | self propelled | Self-Propelled |
| Dimensions | ||
| Weight | 68 lbs (31 kg) | 56 lbs (25.4 kg) |
| Width | 20 in (508 mm) | — |
| General | ||
| Warranty | 5 yr | 5 yr |
| Bagger Capacity | 2 bu (70.5 L) | — |
40V 21'' brushless lawn mower: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — worx.com.
40V HP Brushless 20 in Self-Propelled Multi-Blade Mower Kit: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — ryobitools.com.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.