SENIX 22" Self-Propelled Gas Lawn Mower vs WORX Nitro Cordless Lawn Mower, 21" Elec
Quick Verdict
The WORX Nitro Cordless offers better value and convenience for most homeowners, particularly those with small to medium yards. The SENIX combo provides raw power for larger, more demanding properties but comes with the maintenance burden of two gas engines. Choose the WORX for ease of use and lower upkeep; choose the SENIX if you need maximum cutting capability and already prefer gas equipment.
Side-by-Side
| Feature | SENIX 22" Self-Propelled Gas (170cc) + 17" Gas Trimmer | WORX Nitro Cordless 21" Electric |
|---|---|---|
| Price | $579.00 | $429.99 |
| Power Source | 170cc gas (mower) + 26.5cc gas (trimmer) | Cordless electric (battery) |
| Cutting Width | 22" (mower) + 17" (trimmer) | 21" |
| Best Yard Size | Large (0.5–1+ acre) | Small to medium (up to 0.5 acre) |
| User Rating | 4.0/5 (463 reviews) | 4.4/5 (244 reviews) |
Where SENIX Wins
Raw power for large properties. The 170cc gas engine on the SENIX mower handles thick, wet grass and uneven terrain without bogging down. The included 26.5cc gas trimmer adds versatility for edging and tight spots, eliminating the need for a separate purchase.
Self-propelled ease on slopes. The self-propelled drive system reduces physical effort on hilly or large lawns, making it practical for properties where pushing a mower would be exhausting.
No battery range anxiety. Gas means unlimited runtime as long as you have fuel. For yards over half an acre, this avoids the need for spare batteries or recharging mid-job.
Where WORX Wins
Lower cost and less maintenance. At $429.99, the WORX is $149 less than the SENIX combo. Electric motors require no oil changes, spark plugs, or fuel mixing—just charge the battery and mow.
Quieter, cleaner operation. The WORX runs at a fraction of the noise level of gas engines, making it neighbor-friendly and suitable for early morning or evening mowing. Zero emissions also mean no fumes or spilled fuel.
Lighter and easier to store. Without a gas engine, the WORX is significantly lighter, easier to maneuver, and takes up less garage space. The battery system can share power with other WORX tools.
Which Should You Buy
Buy the SENIX combo if: You have a large yard (over 0.5 acre), frequently encounter tall or wet grass, and don’t mind the ongoing maintenance of gas engines. The included trimmer sweetens the deal for those who need both tools.
Buy the WORX Nitro if: Your yard is small to medium (under 0.5 acre), you prioritize low maintenance and quiet operation, or you want to avoid gas altogether. The higher user rating and lower price make it the better value for most homeowners.
For the average user, the WORX delivers a more modern, hassle-free experience. The SENIX is purpose-built for those who need maximum cutting power and already accept the trade-offs of gas equipment.