AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc vs PowerSmart Push Electric Lawn Mower 14-Inch
Updated July 2026 — AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc wins on power and weight, PowerSmart Push Electric Lawn Mower 14-Inch wins on mowing area.
The AMERISUN offers superior power and versatility, making it ideal for medium-sized lawns, while the PowerSmart is a cost-effective choice for smaller areas.
Why AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc is better
Power
Gas engine provides more cutting power.
Cutting Width
21-inch deck allows for faster mowing.
Versatility
3-in-1 functionality for grass management.
Why PowerSmart Push Electric Lawn Mower 14-Inch is better
Price
Significantly cheaper at $129.99.
Weight
Lightweight design for easy maneuverability.
Eco-Friendly
Electric mower with no emissions.
Overall score
Specifications
| Spec | AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc | PowerSmart Push Electric Lawn Mower 14-Inch |
|---|---|---|
| Engine Type | Gas | Electric |
| Cutting Heights | 1.5-3.9 in | 1-3 in |
| Mulching | Yes | Yes |
| Bag Capacity | 1.4 bushel | 10 gal |
| Start Type | Pull Start | Electric Start |
Dimension comparison
Introduction to Lawn Mowers
When it comes to maintaining your yard, choosing the right lawn mower is crucial. The AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower and the PowerSmart Push Electric Lawn Mower are two popular options, each catering to different needs. The AMERISUN model is priced at $238.49, while the PowerSmart comes in significantly cheaper at $129.99, making it about 46% less expensive.
Power Source Comparison
The AMERISUN is powered by a 144cc 4-cycle OHV gas engine, which provides a reliable and consistent cutting performance ideal for small to medium-sized lawns. On the other hand, the PowerSmart operates on a 12.5 Amp electric motor. This means the AMERISUN is designed for those who prefer the power of gas, while the PowerSmart appeals to homeowners looking for a more environmentally friendly, gasless option.
Cutting Width and Efficiency
In terms of cutting width, the AMERISUN boasts a 21-inch cutting deck, which allows for quicker mowing of larger areas compared to the PowerSmart's 14-inch deck. This larger width can significantly reduce mowing time, especially for medium-sized yards. However, the PowerSmart compensates with its lightweight design, making it easier to maneuver in tighter spaces, which is ideal for smaller lawns.
Versatility in Functionality
The AMERISUN offers a 3-in-1 functionality: mulching, bagging, and side discharge. This versatility allows users to choose how they want to manage grass clippings, providing options for natural fertilization or tidy disposal. In contrast, the PowerSmart provides a 2-in-1 system that includes rear discharge and mulching. While both mowers offer mulching capabilities, the AMERISUN's additional side discharge feature may be advantageous for users who value options.
Height Adjustment Features
When it comes to height adjustment, the AMERISUN offers six different settings ranging from 1.5 inches to 3.9 inches, allowing for precise cuts tailored to various grass types and seasonal conditions. The PowerSmart, while still adjustable, provides six settings from 1 inch to 3 inches. Although both offer customization, the AMERISUN provides a slightly broader range, which can be beneficial for more diverse lawn conditions.
Durability and Build Quality
The AMERISUN is built with a durable, rust-resistant steel deck, designed for longevity and tough grass conditions, making it suitable for heavy-duty use. In contrast, the PowerSmart's design is compact and lightweight, emphasizing easy handling and storage. While the PowerSmart is easier to transport, the AMERISUN's robust build may appeal to those needing a mower that can withstand more rigorous mowing tasks.
User Experience and Maneuverability
The AMERISUN weighs 68 lbs, which is relatively manageable for a gas mower. Its larger wheels (7-inch front and 10-inch rear) enhance stability and maneuverability. Meanwhile, the PowerSmart is known for its lightweight frame, making it easy to handle and perfect for smaller spaces. Users who prioritize ease of use may find the PowerSmart's design more appealing, especially for regular mowing of smaller lawns.
Which should you buy?
Choosing between the AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower and the PowerSmart Push Electric Lawn Mower largely depends on your specific needs. If you have a medium-sized lawn and prefer a powerful gas mower with versatile functionality, the AMERISUN is the better choice at $238.49. However, if you're looking for an eco-friendly, cost-effective solution for a smaller area, the PowerSmart at $129.99 might be the right fit. Ultimately, consider factors like lawn size, power preferences, and functionality to make the best decision for your yard maintenance needs.

