Greenworks 80V 21 in Push Mower
#3 in PushFull review
A sturdy steel deck push mower with a long warranty, for flat lawns up to about half an acre and owners of Greenworks 80V tools.
Amazon $399$399
The Greenworks 80V 21 in Push Mower rates 3.8 among push lawn mowers; the Senix 21 in 170cc FWD A025054-A rates 3.6 among self-propelled ones. The Senix 21 in 170cc FWD A025054-A costs $6.55 less ($392.45 vs $399).
Senix 21 in 170cc FWD A025054-A
A 3-in-1 self-propelled mower for flat lawns with lots of trees and beds to steer around.
Amazon $392.45$392.45
Prices were last checked November 1, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different drive classes (push and self-propelled), and each is scored against the reference points for its own class, so a rating says how well each does among its own drive peers. How we rank explains each factor.
| Factor weight | Greenworks 80V 21 in Push Mower | Senix 21 in 170cc FWD A025054-A |
|---|---|---|
| Overall rating | 3.8/5 | 3.6/5 |
| Value 30% | 30 $19 per inch of deck ($399 with batteries and charger, 21 in deck) | 95 $18.69 per inch of deck ($392.45, 21 in deck) |
| Deck 20% | 100 21 in deck | 12 21 in deck |
| Power 15% | 49 320 Wh of battery included | 62 170 cc engine |
| Cutting modes 15% | 100 3 ways to cut: bag, mulch, side discharge | 100 3 ways to cut: bag, mulch, side discharge |
| Warranty 20% | 75 4-year warranty | 25 2-year warranty |
Specifications
| Greenworks 80V 21 in Push Mower | Senix 21 in 170cc FWD A025054-A | |
|---|---|---|
| Cutting | ||
| Deck width | 21 in | 21 in |
| Deck | Steel | Steel |
| Cutting height | 1.4 to 4 in, 7 positions | 1.2 to 3.8 in, 6 positions |
| Bag | Yes | Yes |
| Bag capacity | - | 1.7 bushels |
| Mulch | Yes | Yes |
| Side discharge | Yes | Yes |
| Power | ||
| Power | Battery | Gas |
| Engine or battery | 80 V, 4 Ah of battery | 170 cc |
| Battery energy | 320 Wh | - |
| Battery included | Yes | - |
| Runtime | 38 min | - |
| Brushless motor | Yes | - |
| Build | ||
| Drive | Push | Front-wheel drive |
| Folds upright | Yes | - |
| Weight | 62.8 lb | 61.7 lb |
| Warranty | 4 years | 2 years |
| Battery warranty | 4 years | - |
| Released | 2024-01-16 | - |