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AMERISUN vs Greenworks 80V 21" Self-Propelled Cordless Lawn

Updated July 2026 — AMERISUN wins on price, Greenworks 80V 21" Self-Propelled Cordless Lawn wins on noise level and weight.

The AMERISUN mower is a budget-friendly gas option, while the Greenworks mower offers advanced features and convenience. Choose based on your mowing preferences.

Why AMERISUN is better

Price

AMERISUN is significantly cheaper at $224.99.

Weight

AMERISUN is lighter at 63 lbs.

Simplicity

AMERISUN offers straightforward gas operation.

Why Greenworks 80V 21" Self-Propelled Cordless Lawn is better

Technology

Greenworks features a brushless motor for better efficiency.

Noise

Greenworks operates three times quieter than gas mowers.

Versatility

Greenworks has a 4-in-1 system for various lawn care tasks.

Overall score

AMERISUN
70
Greenworks 80V 21" Self-Propelled Cordless Lawn
85

Specifications

SpecAMERISUNGreenworks 80V 21" Self-Propelled Cordless Lawn
Engine TypeGasElectric
Cutting Width21 inches21 inches
Self-PropelledNoYes
Battery LifeN/AUp to 1/2 acre
Mulching Capability2-in-14-in-1

Dimension comparison

AMERISUNGreenworks 80V 21" Self-Propelled Cordless Lawn

Overview of the AMERISUN 21 Inch Gas Push Lawn Mower

The AMERISUN 21 Inch Gas Push Lawn Mower is designed for homeowners looking for a reliable and efficient mowing solution for small to medium yards. Priced at $224.99, this mower combines a powerful 144cc gas engine with a lightweight design, making it suitable for various lawn conditions. With a bestseller rank of 8802, it appeals to those who prefer traditional gas mowers for their consistent performance.

In contrast, the Greenworks 80V 21" Self-Propelled Cordless Lawn Mower offers a modern, electric alternative. Priced at $479.99, this mower features a brushless motor and self-propelled design, catering to users who prioritize convenience and quiet operation. With a significantly higher bestseller rank of 1880, it has gained a solid reputation among electric mower enthusiasts.

Engine and Power Source Comparison

The AMERISUN lawn mower is equipped with a 144cc 4-stroke OHV engine, providing reliable power for cutting through grass with ease. This engine is ideal for homeowners who appreciate the familiarity and performance of gas mowers. The gas engine allows for quick, uninterrupted mowing, especially on larger lawns.

On the other hand, the Greenworks mower utilizes an 80V brushless motor powered by a rechargeable battery. This motor offers greater torque compared to standard models, enabling it to tackle tough grass and uneven terrain effectively. Additionally, the battery provides the convenience of cordless operation, eliminating the need for gas or oil, which some users may find preferable.

Cutting Performance and Features

The AMERISUN mower features a 21-inch cutting width, which aids in reducing mowing time for suburban lawns. It also offers a 2-in-1 mulching and side discharge capability, allowing users to choose the best method for their lawn care needs. With a 6-position height adjustment, this mower can adapt to different grass types and conditions, ranging from 1.5 inches to 3.9 inches.

Conversely, the Greenworks mower also has a 21-inch cutting width but boasts a 4-in-1 system that allows for mulching, bagging, side discharge, and turbo leaf pickup. This versatility makes it suitable for a variety of lawn care tasks. Moreover, the self-propelled feature, combined with rear-wheel drive, enhances maneuverability, making it easier to navigate around obstacles during mowing.

Weight and Storage

Weighing in at 63 lbs, the AMERISUN mower is relatively lightweight, which simplifies handling and maneuvering, particularly for those who may find heavier mowers cumbersome. Its foldable design facilitates easy storage, making it a practical choice for homeowners with limited garage space.

In contrast, the Greenworks mower's weight is not specified, but its self-propelled feature implies a more robust build to accommodate the motor and battery. While it may be heavier than the AMERISUN, it compensates with its advanced technology and ease of use. However, it may not be as compact for storage, depending on its design.

Noise and Environmental Impact

One of the significant advantages of the Greenworks mower is its quiet operation, being approximately three times quieter than gas mowers. This is particularly beneficial for early morning or late evening mowing, as it minimizes noise disturbances for neighbors. Additionally, the electric design produces no emissions, making it a more environmentally friendly option.

In contrast, the AMERISUN mower, being gas-powered, is likely to produce more noise and emissions during operation. While some users may appreciate the traditional feel of a gas mower, the environmental impact is a consideration for those looking to reduce their carbon footprint.

Battery Life and Efficiency

The Greenworks mower is designed to cut up to 1/2 acre on a fully charged 4.0Ah battery, although this can vary based on grass conditions and operator technique. This battery-driven approach provides the convenience of not needing to refill gas or oil, making it a more efficient option for many homeowners.

In comparison, the AMERISUN mower does not have battery life concerns, as it runs continuously as long as there is fuel. This can be advantageous for users who prefer the traditional mowing experience without worrying about battery management or recharging.

Price and Value Proposition

The AMERISUN mower is priced at $224.99, making it about 53% cheaper than the Greenworks mower, which retails for $479.99. This price difference is significant and may be a decisive factor for budget-conscious consumers who still require an effective lawn care solution.

However, the Greenworks mower offers advanced features such as a self-propelled design, a brushless motor, and compatibility with other 80V tools, which can justify its higher price for users seeking long-term investment and versatility. The additional features and quieter operation might appeal to homeowners who prioritize convenience and modern technology.

Which should you buy?

When deciding between the AMERISUN 21 Inch Gas Push Lawn Mower and the Greenworks 80V 21" Self-Propelled Cordless Lawn Mower, consider your mowing needs and preferences. The AMERISUN is perfect for those seeking a reliable, budget-friendly gas mower that efficiently handles small to medium yards. In contrast, the Greenworks mower offers advanced features, quiet operation, and cordless convenience, making it suitable for users willing to invest more for a high-tech mowing experience. Ultimately, your choice will depend on whether you prioritize cost, convenience, or environmental considerations in your lawn care routine.