Greenworks 48V High - Performance Cordless Yard vs PowerSmart Self Propelled Gas Lawn Mower 21-inch
Updated July 2026 — Greenworks 48V High - Performance Cordless Yard wins on noise and maintenance, PowerSmart Self Propelled Gas Lawn Mower 21-inch wins on price and weight.
The Greenworks 48V offers superior performance and eco-friendliness, while the PowerSmart provides a budget-friendly gas option. Overall, the Greenworks is the better choice for advanced features.
Why Greenworks 48V High - Performance Cordless Yard is better
Power
Greenworks has a brushless motor with 2X torque.
Noise
Greenworks operates 3X quieter than gas mowers.
Maintenance
Greenworks requires no oil changes or fuel.
Why PowerSmart Self Propelled Gas Lawn Mower 21-inch is better
Price
PowerSmart is 41% cheaper.
Weight
PowerSmart is lighter at 54 lbs.
Fueling
PowerSmart can be refueled quickly.
Overall score
Specifications
| Spec | Greenworks 48V High - Performance Cordless Yard | PowerSmart Self Propelled Gas Lawn Mower 21-inch |
|---|---|---|
| Engine Type | Electric | Gas |
| Cutting Height | 7 positions | 6 positions |
| Runtime | 35 mins | N/A |
| Deck Material | Steel | Steel |
| Self-Propelled | Yes | Yes |
Dimension comparison
Overview
When comparing the Greenworks 48V and the PowerSmart Self Propelled Gas Lawn Mower, it's clear that both models cater to different needs and preferences in lawn care. The Greenworks 48V is an electric model that offers a self-propelled feature with a robust battery system, while the PowerSmart is a gas-powered mower designed for efficient cutting. Understanding their differences will help you make an informed choice based on your gardening requirements.
Power and Performance
The Greenworks 48V features a powerful brushless motor that provides up to 2X more torque than traditional electric mowers, delivering gas-like power with zero emissions. This electric model can also handle inclines of up to 21°, making it versatile for various terrains. In contrast, the PowerSmart boasts a 170cc OHV 4-cycle engine, designed for reliable power and ease of starting, even in more challenging conditions. Although the PowerSmart is equipped with a robust engine, it may not match the torque and efficiency of the Greenworks when it comes to battery life and quiet operation.
Cutting Width and Deck Design
Both mowers have a 21-inch cutting width, providing a similar swath for mowing. The Greenworks has a durable steel deck that promises longevity and offers a 7-position height adjustment, allowing for versatile cutting heights. On the other hand, the PowerSmart also features a steel deck and provides a 6-position height adjustment ranging from 1.5 inches to 3.9 inches. While both models are built to last, the Greenworks offers slightly more flexibility in cutting heights, which may be critical for varying grass conditions.
User Experience and Operation
User-friendliness is a significant factor in both models. The Greenworks 48V is designed with a push-button start and a self-propelled feature that simplifies operation. Additionally, it has a 4-in-1 function for different mowing needs, making it versatile for various yard conditions. It also operates with reduced noise, being 3X quieter than gas mowers. The PowerSmart, while equipped with a self-propelled rear-wheel-drive system, may not provide the same level of convenience. However, it features a foldable design that saves 70% of storage space, which offers practical benefits for compact storage.
Battery Life and Runtime
The Greenworks 48V comes with multiple batteries, including two 5.0Ah batteries that allow for up to 35 minutes of runtime, depending on grass conditions. This model excels in efficiency, providing a battery-powered solution that eliminates the hassle of fuel. In contrast, the PowerSmart relies on a gas engine that does not have the same runtime limitations. However, users will need to factor in the ongoing costs of fuel and maintenance with the PowerSmart, which can add up over time compared to the Greenworks’ rechargeable batteries.
Maintenance and Long-Term Use
In terms of maintenance, the Greenworks 48V offers a more straightforward approach with zero emissions and no need for oil changes or fuel management, making it an environmentally friendly choice. The included 3-year warranty on all tools and batteries enhances its appeal for long-term use. Conversely, the PowerSmart requires regular maintenance typical of gas-powered engines, such as oil changes and spark plug replacements, which can be more labor-intensive and costly over time.
Pricing Comparison
At $577.99, the Greenworks 48V is significantly more expensive than the PowerSmart, which is priced at $339.99. This makes the PowerSmart about 41% cheaper than the Greenworks option. However, the price difference can be justified by the Greenworks’ advanced features, battery efficiency, and reduced noise levels. Consumers need to weigh the initial investment against the long-term benefits of each model to determine which offers better value for their specific needs.
Bestseller Status and Market Preference
The Greenworks 48V currently holds a bestseller rank of 8773, while the PowerSmart sits slightly higher at 9309. This ranking indicates a favorable market preference for the Greenworks model, reflecting its appeal among consumers seeking a high-quality, environmentally friendly lawn mower. The slight difference in ranking suggests that while both models are popular, the Greenworks may attract more attention due to its cutting-edge features and performance.
Which should you buy?
Choosing between the Greenworks 48V and the PowerSmart Self Propelled Gas Lawn Mower ultimately depends on your specific needs and preferences. If you prioritize eco-friendliness, ease of use, and advanced features, the Greenworks 48V is a strong contender despite its higher price. Conversely, if you are looking for a more budget-friendly option and are comfortable with gas maintenance, the PowerSmart is an effective choice that delivers solid performance. Consider your lawn size, maintenance preferences, and budget to make the best decision for your yard care needs.

