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AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with vs Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah

Updated July 2026 — AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with wins on power and weight, Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah wins on runtime.

The AMERISUN offers better value and power, while the Greenworks excels in convenience and eco-friendliness.

Why AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with is better

Price

AMERISUN is $238.49, cheaper than Greenworks at $274.91.

Power

AMERISUN has a powerful 144cc engine.

Cutting Width

AMERISUN features a wider 21-inch cutting deck.

Why Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah is better

Maintenance

Greenworks is virtually maintenance-free.

Weight

Greenworks is lighter and easier to maneuver.

Environmental Impact

Greenworks produces no emissions.

Overall score

AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with
85
Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah
78

Specifications

SpecAMERISUN 21-Inch 3IN1 Push Gas Lawn Mower withGreenworks 48V 17" Cordless Lawn Mower , 4.0Ah
Engine TypeGasCordless
Cutting Options3-in-12-in-1
Start TypeRecoilPush Button
EmissionsYesNo
Warranty2 Years3 Years

Dimension comparison

AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower withGreenworks 48V 17" Cordless Lawn Mower , 4.0Ah

Price Comparison

When considering price, the AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower is priced at $238.49, making it about 17% cheaper than the Greenworks 48V, which retails for $274.91. This price difference could be significant for budget-conscious consumers looking for effective lawn care solutions. The AMERISUN model not only presents a lower upfront cost but also offers robust features suitable for residential yard maintenance. The Greenworks mower, while more expensive, includes two 4.0Ah batteries and a rapid charger, which may justify its higher price for those seeking a cordless option.

Power and Performance

The AMERISUN features a powerful 144cc 4-stroke OHV engine, providing strong cutting power ideal for small to medium yards. Its easy-start recoil system ensures a hassle-free experience every time you mow. In contrast, the Greenworks mower operates on a dual battery system, delivering up to 45 minutes of runtime with fully charged batteries. This setup allows for a quieter operation compared to the gas engine, but battery runtime can vary based on grass conditions. Each product has its own performance strengths: AMERISUN excels in raw power while Greenworks provides a maintenance-free experience without gas or oil.

Deck and Cutting Options

The AMERISUN comes equipped with a 21-inch rust-resistant steel deck, designed to handle tough grass and offer a wider cutting path. This feature is particularly useful for homeowners with larger lawns to maintain efficiency. Additionally, the mower presents a versatile 3-in-1 mowing capability, allowing for mulching, bagging, and side discharge. On the other hand, the Greenworks features a smaller 17-inch lightweight poly deck, which enhances maneuverability but may require more passes on larger lawns. Both mowers provide adjustable cutting heights; however, the AMERISUN offers six positions ranging from 1.5" to 3.9", allowing for a more precise cut.

Versatility and Features

In terms of versatility, both mowers offer distinct advantages. The AMERISUN's 3-in-1 functionality provides options for mulching, bagging, and side discharge, making it adaptable to different lawn care needs. Its 1.4-bushel grass catcher also helps keep your lawn tidy with minimal effort. Conversely, the Greenworks mower features a 2-in-1 design that includes mulching and a rear bagging option. Its single lever, 5-position height adjustment allows users to customize their mowing experience based on their lawn's specific requirements. The AMERISUN's wider deck and greater adaptability may appeal more to homeowners with varied lawn care tasks.

Maintenance Considerations

Maintenance is a significant factor when choosing a lawn mower. The AMERISUN gas mower requires occasional maintenance typical of gas engines, such as oil changes and fuel refills. In contrast, the Greenworks mower is virtually maintenance-free, requiring no gas or oil, which simplifies the user experience and reduces long-term costs. The push-button start feature adds to the convenience of the Greenworks mower, making it quick and easy to start without the hassles of gas mowers. For users prioritizing low maintenance and ease of use, the Greenworks model may be more appealing.

Weight and Maneuverability

The AMERISUN weighs 68 lbs, which provides a solid build for stability during operation. It features durable wheels that enhance maneuverability across uneven terrain. However, its weight could be a consideration for some users who prefer a lighter model. On the other hand, the Greenworks mower's lightweight design makes it easier to handle and maneuver, especially in tight spaces or for those who may struggle with heavier equipment. Its collapsible handles further facilitate storage and transport. Users who prioritize mobility might find the Greenworks mower to be the better choice.

Environmental Impact

The environmental impact of lawn mowers is an increasingly important consideration for consumers. The AMERISUN, as a gas mower, does emit exhaust fumes and requires gasoline for operation. Meanwhile, the Greenworks mower is designed to be eco-friendly, producing no emissions, which is a significant advantage for environmentally conscious buyers. This feature, coupled with its quiet operation, makes the Greenworks mower a compelling choice for those looking to reduce their carbon footprint while maintaining their lawns.

Which should you buy?

Ultimately, the decision between the AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower and the Greenworks 48V Cordless Lawn Mower comes down to individual preferences and needs. If you prioritize cost-effectiveness, raw power, and versatile cutting options, the AMERISUN is the better choice at $238.49. It is particularly well-suited for larger lawns and users who don’t mind the maintenance associated with gas mowers. However, if you seek a quieter, more environmentally friendly option with minimal maintenance, the Greenworks mower at $274.91 could be worth the investment, especially considering its battery-powered convenience and ease of use.