Greenworks 40V 16" Cordless Lawn Mower vs SENIX 22" Self-Propelled Gas Lawn Mower, Gas
Updated July 2026 — Greenworks 40V 16" Cordless Lawn Mower wins on runtime, SENIX 22" Self-Propelled Gas Lawn Mower, Gas wins on price and maintenance.
The Greenworks mower offers a more cost-effective, low-maintenance option for small to medium lawns, while the SENIX provides robust power for larger areas.
Why Greenworks 40V 16" Cordless Lawn Mower is better
Price
Greenworks is $135.66 cheaper.
Maintenance
No gas or oil changes required.
Noise
Operates at less than 75dB.
Why SENIX 22" Self-Propelled Gas Lawn Mower, Gas is better
Power
170cc engine for thicker grass.
Cutting Width
22" blade for larger areas.
Durability
High-strength steel deck.
Overall score
Specifications
| Spec | Greenworks 40V 16" Cordless Lawn Mower | SENIX 22" Self-Propelled Gas Lawn Mower, Gas |
|---|---|---|
| Engine Type | Electric | Gas |
| Start Method | Push Button | First Pull |
| Height Adjustments | 5 | 6 |
| Battery Included | Yes | No |
| Warranty | 3 Years | 2 Years |
Dimension comparison
Price Comparison
When comparing prices, the Greenworks 40V 16" Cordless Lawn Mower is priced at $279.99, while the SENIX 22" Self-Propelled Gas Lawn Mower costs $415.65. This makes the Greenworks mower about 33% cheaper than its gas-powered counterpart. If you’re budget-conscious or looking for a more cost-effective solution for your lawn care needs, the Greenworks option offers significant savings without sacrificing performance for small to medium-sized lawns.
Power and Performance
In terms of power, the SENIX mower features a robust 170cc OHV engine that delivers consistent performance. It boasts a first-pull start capability, ensuring reliable operation even after long periods of inactivity. On the other hand, the Greenworks mower operates on a 40V battery that provides up to 40 minutes of runtime. While the SENIX is better suited for larger or thicker lawns due to its powerful engine, the Greenworks mower offers gas-like performance without the hassle of fuel management, making it an excellent choice for users with smaller landscapes.
Design and Maneuverability
Design-wise, the Greenworks mower is ultra-lightweight, coming in at 35% lighter than traditional gas mowers. This lightweight design, combined with its ergonomic handles and push-button start, makes it exceptionally easy to maneuver, especially in tight spaces or uneven terrain. In contrast, the SENIX mower features a rear-wheel drive system and large 11” wheels, which aid in navigating hills and rough patches. While both mowers are designed for ease of use, the Greenworks is tailored for those seeking agility, while the SENIX focuses on tackling diverse terrains without compromising power.
Cutting Features
The cutting features of both mowers cater to different preferences. The Greenworks mower employs a 2-in-1 mulching and rear-bagging system with five height adjustments ranging from 1.25" to 3.375". This flexibility allows users to adapt the mower to various grass types efficiently. Conversely, the SENIX mower features a 22" manganese steel blade, offering a durable cutting option that efficiently handles up to 9/20 acre on just 0.8L of gas. Its patented vortex tunnel deck design prevents clogging and maintains a clean cut, making it ideal for those who prioritize cutting efficiency in challenging conditions.
Maintenance and Longevity
Maintenance requirements differ significantly between the two mowers. The Greenworks mower eliminates the need for gas or oil changes, which translates to zero ongoing fuel costs and reduced maintenance hassle. In contrast, the SENIX mower, being gas-powered, will require more routine upkeep, including oil changes and potential engine tune-ups. The Greenworks mower is designed for maximum savings, potentially saving users over $200 annually in maintenance costs compared to traditional gas mowers. For those looking for a more hands-off experience, the Greenworks option presents a clear advantage.
Ecosystem and Compatibility
The Greenworks mower stands out with its complete ecosystem value, as it comes with a 4.0Ah lithium-ion battery and fast charger while also being compatible with over 75 other Greenworks 40V tools. This compatibility allows for seamless integration into a larger toolkit, appealing to users who already own Greenworks products. The SENIX mower, while durable and powerful, does not offer such an ecosystem, which may limit its appeal for users looking to expand their lawn care arsenal.
Noise Levels and Environmental Impact
Noise levels are another critical factor. The Greenworks mower operates at a whisper-quiet level of less than 75dB, allowing users to mow at any time without disturbing the neighborhood. This quiet operation is particularly beneficial for those living in close quarters. On the other hand, gas mowers like the SENIX tend to be louder, which may not be ideal for early morning or late evening mowing sessions. Additionally, the Greenworks mower contributes to a cleaner environment by eliminating emissions associated with gas-powered equipment, making it a more eco-friendly choice.
Which should you buy?
Ultimately, the choice between the Greenworks 40V 16" Cordless Lawn Mower and the SENIX 22" Self-Propelled Gas Lawn Mower hinges on your specific needs and preferences. If you have a small to medium-sized lawn and value ease of use, lower maintenance, and quieter operation, the Greenworks mower, at $279.99, is a fantastic option. However, if you require a more powerful mower for larger, thicker lawns and are willing to manage the associated maintenance and noise, the SENIX mower, priced at $415.65, may be the better fit. Each mower has its strengths, so consider your yard care priorities when making your decision.

