Greenworks 60V 21" Self-Propelled Cordless Lawn vs SENIX 22" Self-Propelled Gas Lawn Mower, Gas
Updated July 2026 — Greenworks 60V 21" Self-Propelled Cordless Lawn wins on noise level and battery life, SENIX 22" Self-Propelled Gas Lawn Mower, Gas wins on price and weight.
The Greenworks mower excels in convenience and eco-friendliness, while the SENIX offers reliable gas power at a lower price. Choose based on your preference for battery versus gas.
Why Greenworks 60V 21" Self-Propelled Cordless Lawn is better
Battery Power
Cordless operation with dual batteries
Noise Level
Operates 60% quieter than gas mowers
Versatility
4-in-1 cutting options including turbo leaf pickup
Why SENIX 22" Self-Propelled Gas Lawn Mower, Gas is better
Initial Cost
Lower price point compared to Greenworks
Engine Power
170cc engine for reliable performance
Durability
High-strength steel deck with a 2-year warranty
Overall score
Specifications
| Spec | Greenworks 60V 21" Self-Propelled Cordless Lawn | SENIX 22" Self-Propelled Gas Lawn Mower, Gas |
|---|---|---|
| Power Source | Battery | Gas |
| Engine Size | N/A | 170cc |
| Cutting Height | 7 settings | 6 settings |
| Runtime | 60+ min | N/A |
| Warranty | 4 years | 2 years |
Dimension comparison
Price Comparison
The Greenworks 60V 21" Self-Propelled Cordless Lawn Mower is priced at $538.00, while the SENIX 22" Self-Propelled Gas Lawn Mower costs $415.65. This makes the SENIX model approximately 22.7% cheaper than its Greenworks counterpart. While price is a significant consideration for many buyers, it is crucial to weigh the features and performance capabilities that each mower offers in relation to their cost. The Greenworks mower comes with two 4.0Ah batteries and a charger, which can justify its higher price, especially for those who value the convenience of cordless operation.
Power and Performance
In terms of power, the Greenworks mower features a 60V brushless motor that delivers gas-like performance, allowing it to cover up to 3/4 acre on a single charge. On the other hand, the SENIX mower is equipped with a 170cc 4-cycle engine that offers reliable first-pull starts and can power through thick grass with 3.8 horsepower. While the Greenworks mower provides quiet, maintenance-free operation, the SENIX's engine is designed for those who prefer traditional gas-powered mowers. The choice between these two power sources largely depends on user preference for battery life versus engine reliability.
Convenience and Ease of Use
The Greenworks mower is designed with user convenience in mind, offering effortless self-propelled control and adjustable rear-wheel drive. This allows for easy navigation of slopes and thick grass without the need for pushing. In contrast, the SENIX mower features a rear-wheel drive system and 11-inch wheels that enhance maneuverability over uneven terrain. Both mowers prioritize user-friendly features, but the Greenworks mower's cordless nature may appeal more to those who desire a quieter experience with less maintenance hassle.
Cutting Versatility
When it comes to cutting options, the Greenworks mower provides a 4-in-1 versatility that includes mulching, bagging, side discharge, and turbo leaf pickup. This flexibility is essential for homeowners who want to adapt their mowing style to various lawn conditions. Meanwhile, the SENIX mower also offers a 3-in-1 capability, allowing for mulching, bagging, and side discharge, along with six cutting height adjustments ranging from 1.25 inches to 4 inches. While both mowers provide versatile cutting options, the Greenworks model offers an additional feature that may prove beneficial for managing leaf debris.
Durability and Build Quality
Both mowers boast strong build quality, but they cater to different preferences. The Greenworks mower is constructed with IPX4-rated waterproof materials and rust-proof aluminum handles, providing durability against the elements. In contrast, the SENIX mower features a high-strength steel deck designed for longevity and a 2-year warranty that backs its robust construction. While both mowers promise durability, the Greenworks mower’s eco-friendly materials and waterproofing may appeal to those concerned about weather resistance and sustainability.
Battery Life vs. Fuel Efficiency
The Greenworks mower operates on dual 4.0Ah batteries, delivering over 60 minutes of runtime which is ample for most residential lawn sizes. The auto switchover feature ensures uninterrupted mowing, making it a convenient option for users with larger yards. Conversely, the SENIX mower can cover up to 9/20 acres on just 0.8 liters of gas, making it fuel-efficient for gas-powered options. Each mower has its advantages in terms of energy use; the Greenworks model shines in battery efficiency, while the SENIX model excels in fuel conservation.
Noise Levels
If noise levels are a priority, the Greenworks mower operates at about 60% lower noise than traditional gas mowers, which can be beneficial for those living in noise-sensitive neighborhoods or for early morning mowing sessions. The SENIX mower, being gas-powered, will naturally emit more noise during operation. Customers who prioritize a quiet mowing experience may find the Greenworks model to be a more suitable option, as it allows for mowing without disturbing neighbors or family members.
Which should you buy?
Choosing between the Greenworks 60V 21" Self-Propelled Cordless Lawn Mower and the SENIX 22" Self-Propelled Gas Lawn Mower comes down to personal preferences and specific lawn care needs. If you value convenience, low noise levels, and eco-friendly operation, the Greenworks mower is a compelling choice despite its higher price. Conversely, if you prefer the reliability of a gas engine, overall lower cost, and efficient cutting power for thick grass, the SENIX mower presents a solid option. Ultimately, both mowers have their merits, so consider what features align best with your lawn care habits and budget.

