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.
- EGO Power+ 21 in Self-Propelled Mower — residential: typical home lawns; 21-inch deck; battery (no fuel or engine maintenance)
- Ryobi 40V HP Brushless 21 in Push Mower Kit — residential: typical home lawns; 21-inch deck; battery (no fuel or engine maintenance)
What’s different? The 3 differences that matter most, from the published figures.
- Power+ 21 in Self-Propelled Mower runs on a 56 V battery; 40V HP Brushless 21 in Push Mower Kit runs on a 40 V battery, a 16 V difference. Battery voltage names the platform. Run time depends on the pack's capacity in amp-hours and on the cutting load.
- Power+ 21 in Self-Propelled Mower cuts from 1.5 in (38 mm) to 4 in (102 mm); 40V HP Brushless 21 in Push Mower Kit cuts from 1 in (25 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.
- Power+ 21 in Self-Propelled Mower weighs 63 lbs (28.4 kg); 40V HP Brushless 21 in Push Mower Kit weighs 64 lbs (29 kg), a 1 lbs difference. Operating weight bears on trailer payload, ramps and soft turf. On its own it says nothing about build quality. What Power+ 21 in Self-Propelled Mower's weight means for a trailer ›
what isn’t comparable
Not comparable
- Ground Speed: not published for 40V HP Brushless 21 in Push Mower Kit.
- Bagger Capacity: not published for Power+ 21 in Self-Propelled Mower.
- Deck Material: not published for 40V HP Brushless 21 in Push Mower Kit.
- Discharge: not published for Power+ 21 in Self-Propelled Mower.
- Start Type: not published for 40V HP Brushless 21 in Push Mower Kit.
- Price: Power+ 21 in Self-Propelled 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 | Power+ 21 in Self-Propelled Mower EGO · Push / Walk-Behind |
40V HP Brushless 21 in Push Mower Kit Ryobi · Push / Walk-Behind |
|---|---|---|
| List price | dealer quote | $520 |
| Engine | ||
| Power Source | battery | battery |
| Start Type | Push Button | — |
| Fuel Type | Battery / Electric | Battery / Electric |
| Electrical | ||
| Voltage | 56 V | 40 V |
| Deck | ||
| Cutting Width | 21 in (533 mm) | 21 in (533 mm) |
| Min Cut Height | 1.5 in (38 mm) | 1 in (25 mm) |
| Max Cut Height | 4 in (102 mm) | 4 in (102 mm) |
| Deck Material | Poly | — |
| Discharge | — | Mulching, Bagging, and Side Discharge |
| Drive | ||
| Drive Type | Rear Wheel Drive | Push |
| Ground Speed | 3.1 mph | — |
| Dimensions | ||
| Weight | 63 lbs (28.4 kg) | 64 lbs (29 kg) |
| General | ||
| Warranty | 5 yr | 5 yr |
| Bagger Capacity | — | 2 bu (70.5 L) |
Power+ 21 in Self-Propelled Mower: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — egopowerplus.com.
40V HP Brushless 21 in Push Mower Kit: Specs verified against the manufacturer spec sheet on Jun 6, 2026 — ryobitools.ca.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.