SENIX Gas Lawn Mower, 22" Self Propelled vs Greenworks 60V 25" Cordless Lawn Mower,

SENIX Gas Lawn Mower, 22" Self Propelled Gas Powered Lawnmower with 170cc OHV 4-Cycle Engine, 3-in-1 Walk-Behind Push Lawn Mower, 6-Position Height Adjustment
SENIX Gas Lawn Mower, 22" Self Propelled Gas Powered...
$395.10
★ 4/5 · 463 reviews
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Greenworks 60V 25" Cordless Lawn Mower, Brushless Self-Propelled Electric Mower with 2x4.0Ah Batteries & Dual-Port Charger, 80-Min Runtime for Large Yards (Up to 1 Acre), Quiet Mower for Homeowners​
Greenworks 60V 25" Cordless Lawn Mower, Brushless...
$781.99
★ 4.2/5 · 267 reviews
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Quick Verdict

For most homeowners with standard-sized lawns, the SENIX Gas Lawn Mower offers the better value at nearly half the price of the Greenworks model. However, if you have a larger yard (over half an acre) or prioritize zero-emissions operation and lower maintenance, the Greenworks 60V 25" Cordless Lawn Mower justifies its higher cost with superior cutting width and battery convenience.

Side-by-Side

Feature SENIX Gas Lawn Mower Greenworks 60V 25" Cordless
Price $395.10 $781.99
Power Source Gas (17 hp engine) 60V battery (brushless motor)
Cut Width 22 inches 25 inches
Self-Propelled Yes Yes
Best Yard Size Up to 1/2 acre 1/2 to 1 acre
Rating 4.0/5 (463 reviews) 4.2/5 (267 reviews)

Where SENIX Wins

Lower upfront cost is the clear advantage—the SENIX costs about $387 less than the Greenworks. This price difference alone can cover a season’s worth of gas, oil, and maintenance supplies.

Proven gas power with its 17 hp engine provides consistent torque for thick, wet grass or uneven terrain. Gas mowers generally handle tough conditions without bogging down, and you can refuel in seconds rather than waiting for a battery recharge.

No battery degradation concerns—gas engines maintain full power throughout the mowing session, and the mower doesn’t lose capacity over years of use. Replacement parts and service are widely available for gas engines.

Higher review volume (463 reviews) suggests a more established product with broader user feedback, giving a more reliable picture of long-term performance.

Where Greenworks Wins

Larger cutting deck at 25 inches vs. 22 inches means fewer passes to mow the same area. On a 10,000 sq ft lawn, this difference saves roughly 15-20 minutes per mowing session.

No emissions or fuel handling—the brushless electric motor produces zero exhaust, requires no gas storage, and eliminates the need for oil changes, spark plug replacements, or carburetor cleaning. This is a major advantage for environmentally conscious users or those storing the mower in a garage.

Quieter operation and instant start with a button press rather than pulling a cord. Brushless motors also offer longer runtime per charge and better efficiency than older electric designs.

Better user rating (4.2 vs. 4.0) from a smaller but still substantial sample suggests higher owner satisfaction, likely due to convenience and lower maintenance.

Which Should You Buy

Choose the SENIX Gas Lawn Mower if:

  • Your budget is under $500
  • Your lawn is 1/4 to 1/2 acre with typical grass conditions
  • You’re comfortable with gas engine maintenance (oil changes, fuel stabilizer)
  • You need consistent power for thick or damp grass without runtime limits

Choose the Greenworks 60V if:

  • Your lawn is 1/2 acre or larger (the 25" deck and battery runtime suit bigger spaces)
  • You want zero emissions and minimal ongoing maintenance
  • You prefer electric convenience (push-button start, quiet operation)
  • You’re willing to invest more upfront for long-term fuel savings

For most buyers, the SENIX delivers dependable gas power at a price that’s hard to beat. The Greenworks is a premium choice for those prioritizing convenience and larger cutting capacity.