Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah vs PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc
Updated July 2026 — Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah wins on battery, PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc wins on runtime and weight.
The Greenworks 48V offers a more convenient and eco-friendly option, while the PowerSmart 21" provides reliable gas-powered performance. Ultimately, the choice depends on user preferences.
Why Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah is better
Price
Greenworks is $5 cheaper
Maintenance
Greenworks is virtually maintenance-free
Weight
Greenworks is lighter and easier to maneuver
Why PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc is better
Power
PowerSmart has a robust 144cc engine
Cutting Width
PowerSmart has a larger 21" cutting width
Safety Feature
PowerSmart includes a start/stop control lever
Overall score
Specifications
| Spec | Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah | PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc |
|---|---|---|
| Power Source | Cordless | Gas |
| Maintenance | Low | High |
| Cutting Options | Mulch/Bag | Mulch/Bag |
| Start Type | Push Button | Lever |
| Deck Material | Poly | Steel |
Dimension comparison
Overview of the Greenworks 48V and PowerSmart 21"
When comparing the Greenworks 48V and the PowerSmart 21", both lawn mowers present unique strengths suited for different user needs. The Greenworks 48V is priced at $274.91, while the PowerSmart 21" comes in slightly higher at $279.99, making the Greenworks about 2% cheaper. Each model has distinct features and operational styles that cater to various lawn care preferences.
Power Source and Runtime Comparison
The Greenworks 48V operates on a cordless system that utilizes two 24V batteries combined for a total of 48V power, providing up to 45 minutes of runtime. This makes it ideal for users who prefer the convenience of electric mowers without the hassle of gas. In contrast, the PowerSmart 21" is powered by a robust 144cc engine, delivering consistent performance and reliability for longer mowing sessions. While the Greenworks offers a battery-powered solution, the PowerSmart's engine ensures that users don't have to worry about battery life and can tackle larger areas without interruptions.
Cutting Performance and Versatility
Both mowers excel in cutting performance, each offering unique features. The Greenworks 48V sports a 17” rust-resistant deck with a 2-in-1 design that allows for both mulching and rear bagging, providing flexibility in lawn care. It also includes a single lever with five height adjustment positions to accommodate various grass lengths. On the other hand, the PowerSmart 21" has a larger 21” cutting width and a similar 2-in-1 cutting system, giving users the option to mulch or bag clippings. It also features six cutting height adjustments from 1.5 to 3.9 inches, allowing for even more customization in lawn aesthetics.
Ease of Use and Maneuverability
The Greenworks 48V is designed for ease of use, with a lightweight 17” poly deck that ensures easy maneuverability around the yard. Its collapsible handles add to its compactness for storage. Conversely, the PowerSmart 21" weighs 62 lbs, making it lightweight but still slightly heavier than the Greenworks model. Its compact design is ideal for maneuvering through tight spaces, though users might find the Greenworks easier to push due to its lighter weight.
Maintenance and Environmental Impact
When it comes to maintenance, the Greenworks 48V stands out as virtually maintenance-free, requiring no gas, oil, or emissions. This not only reduces the environmental impact but also saves users time and effort in upkeep. The push-button start and quiet operation add to its user-friendly appeal. In contrast, the PowerSmart 21" requires typical maintenance associated with gasoline engines, such as oil changes and fuel refills. While it offers powerful performance, the environmental footprint is larger, which might be a consideration for eco-conscious consumers.
User Safety Features
Safety is a key consideration in lawn care equipment, and both mowers come equipped with features designed to protect users. The Greenworks 48V ensures safety through its quiet operation and push-button start, minimizing the risk of accidents during operation. The PowerSmart 21" includes a start/stop control lever, allowing users to halt the mower instantly in case of emergencies. This feature is particularly beneficial for those with children or pets in the vicinity during lawn maintenance.
Price Comparison and Value
In terms of pricing, the Greenworks 48V is available for $274.91, while the PowerSmart 21" is priced at $279.99. The difference of about $5 makes the Greenworks slightly more attractive in terms of upfront investment. However, both mowers have comparable average prices over the last 90 days, with the Greenworks averaging $266.44 and the PowerSmart at $266.99. Given that the Greenworks has a lower price with similar average pricing trends, it may provide better long-term value.
Which should you buy?
Choosing between the Greenworks 48V and the PowerSmart 21" ultimately depends on your specific lawn care needs. If you prioritize convenience, light weight, and eco-friendliness, the Greenworks 48V is a compelling choice, especially considering its lower price and maintenance-free operation. However, if you prefer the reliability and power of a gasoline engine alongside a larger cutting width, the PowerSmart 21" may better suit your requirements. Consider your lawn size, maintenance preferences, and budget to make the best decision for your yard care needs.

