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Greenworks 40V 17" Cordless Lawn Mower – Brushless vs Greenworks 80V 21" Self-Propelled Cordless Lawn

Updated July 2026 — Greenworks 40V 17" Cordless Lawn Mower – Brushless wins on noise level, Greenworks 80V 21" Self-Propelled Cordless Lawn wins on battery and weight.

The Greenworks 80V mower offers superior performance and versatility, making it the better choice for larger lawns. However, the 40V model is more budget-friendly for smaller yards.

Why Greenworks 40V 17" Cordless Lawn Mower – Brushless is better

Price

40V mower is 43% cheaper

Weight

Lighter and easier to maneuver

Warranty

3-year warranty on tool and battery

Why Greenworks 80V 21" Self-Propelled Cordless Lawn is better

Power

80V mower handles larger areas up to 1/2 acre

Features

4-in-1 cutting system for versatility

Self-Propulsion

Easier to use on uneven terrain

Overall score

Greenworks 40V 17" Cordless Lawn Mower – Brushless
70
Greenworks 80V 21" Self-Propelled Cordless Lawn
85

Specifications

SpecGreenworks 40V 17" Cordless Lawn Mower – BrushlessGreenworks 80V 21" Self-Propelled Cordless Lawn
Power TypeCordlessCordless
Motor TypeBrushlessBrushless
Cutting System2-in-14-in-1
Self-PropelledNoYes
LED LightsNoYes

Dimension comparison

Greenworks 40V 17" Cordless Lawn Mower – BrushlessGreenworks 80V 21" Self-Propelled Cordless Lawn

Overview of the Products

The Greenworks 40V 17" Cordless Lawn Mower is priced at $279.99, making it a budget-friendly option compared to the Greenworks 80V 21" Self-Propelled Cordless Lawn Mower, which costs $479.99. This price difference of about 43% can influence the decision for homeowners looking for an economical lawn care solution. Both mowers feature brushless motors and are compatible with other tools in their respective voltage ecosystems, but they cater to different lawn care needs and preferences.

Performance and Power

The Greenworks 40V mower is designed for smaller yards, offering up to 35 minutes of runtime on a full charge, making it suitable for lawns of up to 1/4 acre. In contrast, the Greenworks 80V mower can handle larger areas, cutting up to 1/2 acre with a similar battery, though actual performance may vary based on grass conditions. The 80V mower is equipped with a brushless motor that provides 30% more torque compared to standard models, which means it can handle tougher grass and uneven terrain more effectively than its 40V counterpart.

Versatility and Cutting Options

The Greenworks 40V mower features a 2-in-1 system that allows users to mulch or bag clippings, which is ideal for maintaining a tidy appearance and providing nutrients back to the soil. On the other hand, the Greenworks 80V mower boasts a 4-in-1 cutting system, offering mulching, bagging, side discharge, and turbo leaf pickup. This added versatility means the 80V mower can adapt to various lawn conditions and user preferences more effectively than the 40V model, providing greater options for lawn care.

Noise Level and Operation

Noise is a significant factor for many homeowners when selecting a lawn mower. The Greenworks 40V mower operates at a noise level that is 30% quieter than gas mowers, making it a good choice for those who prefer a more peaceful mowing experience. The Greenworks 80V model is also noted for being 3 times quieter than gas mowers, which adds to its appeal for early morning or late evening mowing sessions, especially with its integrated LED headlights for visibility in low light conditions.

Ease of Use and Maneuverability

For ease of operation, the Greenworks 40V mower features a lightweight design that makes it easy to push and maneuver in tight spaces. Its 17-inch steel deck provides durability without sacrificing ease of handling. Meanwhile, the Greenworks 80V mower is self-propelled with rear-wheel drive and variable speed control, allowing for effortless navigation across various terrains. This self-propelling feature is particularly beneficial for larger lawns or uneven ground, making the 80V mower more user-friendly in such conditions.

Warranty and Support

Both models come with robust warranties, providing peace of mind for buyers. The Greenworks 40V mower includes a 3-year warranty for both the tool and the battery, which is competitive in the market. The Greenworks 80V mower also comes with a best-in-class warranty and the added benefit of being compatible with a larger ecosystem of 80V tools, ensuring that users can invest in a versatile toolset for their outdoor maintenance needs.

Market Position and Sales Rank

In terms of market performance, the Greenworks 40V mower has a sales rank of 5110, while the Greenworks 80V mower is ranked significantly higher at 1880. This higher rank indicates a greater popularity and possibly higher customer satisfaction for the 80V model, reflecting its advanced features and capabilities. The difference in sales rank may influence potential buyers who often look for proven products with positive reception in the market.

Which should you buy?

Choosing between the Greenworks 40V 17" Cordless Lawn Mower and the Greenworks 80V 21" Self-Propelled Cordless Lawn Mower ultimately depends on your specific lawn care needs and budget. If you have a small yard and are looking for a more economical option, the 40V mower is about 43% cheaper and provides sufficient power for light to moderate grass. However, if you manage a larger lawn or need a mower with enhanced features like self-propulsion and a comprehensive cutting system, the investment in the 80V model, despite its higher price, could provide greater long-term value and efficiency.