A 3-in-1 self-propelled mower for flat lawns with lots of trees and beds to steer around.
Amazon $392.45The Senix 21 in 170cc FWD A025054-A rates 3.6 among self-propelled lawn mowers; the Senix 20 in 144cc Push LSPG-L5 rates 3.4 among push ones. The Senix 20 in 144cc Push LSPG-L5 costs $177.36 less ($215.09 vs $392.45).

A bare bones gas mower for a small yard where cost matters most and leaving clippings is fine.
Amazon $215.09Prices were last checked October 31, 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 (self-propelled and push), 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 | Senix 21 in 170cc FWD A025054-A | Senix 20 in 144cc Push LSPG-L5 |
|---|---|---|
| Overall rating | 3.6/5 | 3.4/5 |
| Value 30% | 95 $18.69 per inch of deck ($392.45, 21 in deck) | 92 $10.75 per inch of deck ($215.09, 20 in deck) |
| Deck 20% | 12 21 in deck | 80 20 in deck |
| Power 15% | 62 170 cc engine | 30 144 cc engine |
| Cutting modes 15% | 100 3 ways to cut: bag, mulch, side discharge | 0 1 way to cut: side discharge |
| Warranty 20% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Senix 21 in 170cc FWD A025054-A | Senix 20 in 144cc Push LSPG-L5 | |
|---|---|---|
| Cutting | ||
| Deck width | 21 in | 20 in |
| Deck | Steel | Steel |
| Cutting height | 1.2 to 3.8 in, 6 positions | 1.2 to 3.8 in, 5 positions |
| Bag | Yes | No |
| Bag capacity | 1.7 bushels | - |
| Mulch | Yes | No |
| Side discharge | Yes | Yes |
| Power | ||
| Power | Gas | Gas |
| Engine or battery | 170 cc | 144 cc |
| Build | ||
| Drive | Front-wheel drive | Push |
| Weight | 61.7 lb | 43.4 lb |
| Warranty | 2 years | 2 years |