Greenworks 40V 16" Cordless Lawn Mower vs Greenworks 80V 21" Self-Propelled Cordless Lawn
Updated July 2026 — Greenworks 40V 16" Cordless Lawn Mower wins on noise level, Greenworks 80V 21" Self-Propelled Cordless Lawn wins on weight and runtime.
The Greenworks 80V 21" Self-Propelled Cordless Lawn Mower offers superior power and versatility compared to the Greenworks 40V 16" model, making it the better choice for larger lawns.
Why Greenworks 40V 16" Cordless Lawn Mower is better
Price
More affordable at $279.99
Weight
Lighter design for easier maneuverability
Runtime
Sufficient for small to medium lawns
Why Greenworks 80V 21" Self-Propelled Cordless Lawn is better
Power
Brushless motor provides more torque
Self-Propelled
Easier to use on inclines and uneven terrain
Versatility
4-in-1 system for various mowing needs
Overall score
Specifications
| Spec | Greenworks 40V 16" Cordless Lawn Mower | Greenworks 80V 21" Self-Propelled Cordless Lawn |
|---|---|---|
| Price | $279.99 | $479.99 |
| Bestseller Rank | 813 | 1880 |
| Motor Type | Brushed | Brushless |
| Self-Propelled | No | Yes |
| LED Lights | No | Yes |
Dimension comparison
Overview of the Greenworks 40V 16" Cordless Lawn Mower
The Greenworks 40V 16" Cordless Lawn Mower offers an efficient and lightweight solution for homeowners with small to medium lawns. Priced at $279.99, this model is designed for ease of use and convenience, making it an attractive option for those who prioritize comfort and simplicity in their lawn care routine. With a bestseller rank of 813, it demonstrates a solid presence in the market, appealing to users seeking gas-free mowing without sacrificing performance.
This mower features a 16-inch cutting deck and boasts a runtime of about 40 minutes on a single charge, making it suitable for yards up to 1/3 acre. Its ultra-lightweight design, at 35% lighter than similar models, is complemented by ergonomic handles and a push-button start, ensuring that maneuverability is effortless. The Smart Cut Adjustment System allows for easy height control, while the 2-in-1 mulching and rear-bagging system enhances clippings management.
Overview of the Greenworks 80V 21" Self-Propelled Cordless Lawn Mower
In contrast, the Greenworks 80V 21" Self-Propelled Cordless Lawn Mower is a more powerful option, retailing at $479.99. This model is engineered for homeowners with larger yards, capable of cutting up to 1/2 acre on a fully charged battery. With a bestseller rank of 1880, it offers a robust performance thanks to its brushless motor, which provides 30% more torque than standard models, making it capable of tackling overgrown grass and uneven terrain with ease.
The self-propelled feature, paired with rear-wheel drive and variable speed control, ensures maximum traction and maneuverability. The mower also includes high-visibility LED lights for early morning or late evening mowing, enhancing convenience. Furthermore, its 4-in-1 system allows for mulching, bagging, side discharge, and turbo leaf pickup, making it a versatile choice for various lawn care needs.
Design and Build Quality
When it comes to design, the Greenworks 40V 16" Cordless Lawn Mower emphasizes lightweight portability, making it ideal for users who prioritize ease of use. Weighing significantly less than many traditional mowers, it is easier to store and maneuver around tight spaces in the yard. Its ergonomic handles contribute to a comfortable mowing experience, which is essential for longer mowing sessions.
On the other hand, the Greenworks 80V 21" Self-Propelled Lawn Mower is built for durability and performance. Its 21-inch steel deck is designed to withstand rigorous use while providing a wider cutting path, which can reduce mowing time for larger areas. The self-propelled functionality enhances control, particularly on inclines, making it a better choice for uneven terrain. Both mowers feature a modern aesthetic typical of Greenworks' product line, but the 80V model clearly targets users looking for more power and capability.
Performance and Efficiency
Performance-wise, the Greenworks 40V 16" Cordless Lawn Mower is designed for efficiency in small to medium lawns. With a runtime of 40 minutes from its 4.0Ah battery, it provides ample time to complete mowing tasks without interruption. The mower’s whisper-quiet operation, at less than 75dB, makes it suitable for early or late use, appealing to those in community settings.
Conversely, the Greenworks 80V 21" Self-Propelled Lawn Mower stands out with its brushless motor, which enhances both power and efficiency. Its ability to handle larger lawns and tougher grass conditions makes it an excellent investment for homeowners with more extensive outdoor spaces. The 80V battery system also allows for longer usage times, depending on grass conditions and operator technique, providing flexibility for various mowing tasks.
Battery and Runtime
In terms of battery and runtime, both mowers are equipped with a 4.0Ah battery, but they serve different user needs. The Greenworks 40V model provides approximately 40 minutes of runtime, which is perfect for smaller yards. This battery fully charges in about two hours, ensuring that users can quickly get back to mowing.
In contrast, the Greenworks 80V model, while using the same 4.0Ah battery, is designed to cover larger areas, making it ideal for more substantial mowing tasks. Although it can also handle significant runtime challenges, the actual duration will vary based on the grass conditions and the user's mowing techniques. This adaptability in the 80V model signifies its focus on performance over mere convenience, making it suitable for dedicated lawn care enthusiasts.
Price Comparison
The Greenworks 40V 16" Cordless Lawn Mower is priced at $279.99, making it about 42% cheaper than the Greenworks 80V 21" Self-Propelled Lawn Mower, which retails for $479.99. This substantial price difference reflects the capabilities and features of each model. The 40V mower is targeted toward homeowners with smaller yards or those who prefer a budget-friendly option without needing advanced features.
In contrast, the higher price of the 80V model is justified by its enhanced power, self-propelled functionality, and adaptability to various mowing conditions. For users looking for a long-term investment in lawn care, the additional features and capabilities may warrant the higher cost, particularly if they manage larger or more complex lawns.
User Experience and Customer Satisfaction
User experience is a critical factor in the success of both mowers. The Greenworks 40V model has garnered positive feedback for its lightweight design and quiet operation, making it user-friendly for homeowners who may not have extensive lawn care experience. Its ease of use and minimal maintenance requirements have contributed to its popularity among first-time buyers and those seeking a simple solution.
The Greenworks 80V model, while pricier, has received commendations for its performance and versatility. Users appreciate the self-propelled feature, which significantly reduces the effort required during mowing. The LED lights and 4-in-1 system have also been highlighted as valuable features for enhancing the overall mowing experience, particularly for those who take pride in their lawn care.
Which should you buy?
Choosing between the Greenworks 40V 16" Cordless Lawn Mower and the Greenworks 80V 21" Self-Propelled Cordless Lawn Mower largely depends on your lawn size and specific needs. If you have a small to medium lawn and prefer a lightweight, budget-friendly option, the Greenworks 40V mower is an ideal choice at $279.99. However, for homeowners managing larger lawns or seeking more power and versatility, the Greenworks 80V mower, priced at $479.99, offers superior performance and advanced features that justify the higher investment. Assess your lawn care needs, and choose the mower that best aligns with your gardening goals.

