AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with vs WORX Nitro 21" Cordless Lawn Mower, Electric Mower
Updated July 2026 — AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with wins on power, WORX Nitro 21" Cordless Lawn Mower, Electric Mower wins on runtime and weight.
The AMERISUN offers solid performance at a lower price, while the WORX Nitro provides advanced features and convenience. Choose based on your preference for gas versus electric.
Why AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with is better
Price
AMERISUN is $121.50 cheaper than WORX Nitro.
Weight
AMERISUN is lighter at 68 lbs compared to WORX.
Simplicity
AMERISUN offers a straightforward gas mower experience.
Why WORX Nitro 21" Cordless Lawn Mower, Electric Mower is better
Power
WORX Nitro has a brushless motor for 40% more power.
Runtime
WORX Nitro offers up to 50 minutes of runtime.
Self-Propelled
WORX Nitro features self-propulsion for easier mowing.
Overall score
Specifications
| Spec | AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with | WORX Nitro 21" Cordless Lawn Mower, Electric Mower |
|---|---|---|
| Engine Type | Gas | Electric |
| Cutting Height | 1.5"-3.9" | 1.5"-4" |
| Mowing Modes | 3-in-1 | 3-in-1 |
| Self-Propelled | No | Yes |
| Price | $238.49 | $359.99 |
Dimension comparison
Overview of the AMERISUN 21-Inch Push Gas Lawn Mower
The AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower is a reliable and powerful option for homeowners looking to maintain their lawns. Priced at $238.49, it is approximately 17% cheaper than its competitor, the WORX Nitro 21" Cordless Lawn Mower, which retails for $359.99. This mower features a 144cc 4-stroke OHV engine and a 21-inch rust-resistant steel deck, making it suitable for small to medium-sized yards. Its lightweight design, at only 68 lbs, allows for easy maneuverability, and the 3-in-1 functionality provides options for mulching, bagging, and side discharge.
Overview of the WORX Nitro 21" Cordless Lawn Mower
The WORX Nitro 21" Cordless Lawn Mower is designed for convenience and power, with a price tag of $359.99. This self-propelled model is ideal for lawns up to ½ acre and comes equipped with two 20V 5.0Ah PowerShare Pro batteries. Its Aerodeck technology enhances cut quality and efficiency, while the Intellicut feature automatically adjusts cutting speed based on grass density. Furthermore, the mower’s 3-in-1 functionality allows for mulching, bagging, and side discharge, providing versatility for various lawn care needs.
Power and Performance
In terms of power and performance, the AMERISUN mower boasts a 144cc engine, delivering robust cutting power ideal for residential yards. Its easy-start recoil system ensures a hassle-free start every time. On the other hand, the WORX Nitro utilizes a brushless motor that provides 40% more power and 10% longer runtime compared to previous models. This mower’s self-propelled feature allows users to set a comfortable speed while mowing, making it easier to navigate lawns, especially on inclines. For those who prioritize power, the WORX Nitro clearly stands out.
Cutting and Mowing Features
Both mowers offer impressive cutting features, but they cater to different preferences. The AMERISUN has an adjustable cutting height range from 1.5 inches to 3.9 inches and allows for easy height adjustments across six positions. In contrast, the WORX Nitro provides a height adjustment range of 1.5 inches to 4 inches with a single 7-position lever. This slight edge in height adjustment may appeal to homeowners wanting a little more flexibility. Additionally, both mowers feature 3-in-1 functionality, allowing users to choose between mulching, bagging, and side discharge, making them versatile options for lawn care.
Design and Build Quality
When it comes to design and construction, the AMERISUN mower features a rust-resistant steel deck that is durable and built for tough grass. The lightweight design enhances maneuverability, making it easy to navigate through tight spaces. Meanwhile, the WORX Nitro is built with a high-strength polymer deck that is engineered to resist impact damage and corrosion, promoting longevity. The fully collapsible handle of the WORX mower allows for easy storage and saves space, which can be a significant advantage for homeowners with limited storage options.
Battery Life and Maintenance
The AMERISUN mower operates on a gas engine, which typically requires more maintenance than electric models like the WORX Nitro. The WORX mower runs on two included 20V 5.0Ah batteries, with an impressive runtime of up to 50 minutes on a single charge. This battery-powered option eliminates the need for gas and oil, making it an environmentally friendly choice with lower maintenance demands. For users who prefer less upkeep, the WORX Nitro’s electric operation is a strong selling point.
User Experience and Ease of Use
In terms of user experience, the AMERISUN offers a straightforward and traditional lawn mowing experience, which many users find reliable. Its lightweight design allows for easy maneuverability, and the recoil start ensures quick readiness. Conversely, the WORX Nitro enhances user experience with features like self-propulsion, variable speed control, and onboard charge-level indicators. These advanced features simplify the mowing process, making it less physically demanding. The self-propelled function, in particular, is beneficial for those who may struggle with pushing a traditional mower.
Which should you buy?
Ultimately, choosing between the AMERISUN 21-Inch Push Gas Lawn Mower and the WORX Nitro 21" Cordless Lawn Mower depends on individual preferences and lawn care needs. The AMERISUN is a cost-effective option for homeowners seeking a reliable gas mower with solid performance at $238.49. However, if you prioritize advanced technology, ease of use, and lower maintenance, the WORX Nitro, priced at $359.99, may be worth the investment. Each mower has its strengths, and the best choice will depend on your specific lawn care requirements and budget.

