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AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for vs Greenworks 40V 16" Cordless Lawn Mower

Updated July 2026 — AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for wins on weight and noise level, Greenworks 40V 16" Cordless Lawn Mower wins on runtime.

The AMRISUN offers powerful performance for larger yards, while the Greenworks excels in convenience and eco-friendliness.

Why AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for is better

Power

More powerful engine for larger yards

Cutting Options

Versatile 3-in-1 mowing function

Durability

Heavy-duty steel deck construction

Why Greenworks 40V 16" Cordless Lawn Mower is better

Weight

Lighter and easier to maneuver

Maintenance

Zero maintenance costs

Eco-Friendliness

Battery-powered with no emissions

Overall score

AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for
75
Greenworks 40V 16" Cordless Lawn Mower
85

Specifications

SpecAMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower forGreenworks 40V 16" Cordless Lawn Mower
Engine TypeGasBattery
Cutting Height1.5-3.9 in1.25-3.375 in
Bestseller Rank13987813
Price$314.10$279.99
Warranty2 years3 years

Dimension comparison

AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower forGreenworks 40V 16" Cordless Lawn Mower

Overview of the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower

The AMRISUN 21-Inch Self-Propelled Gas Lawn Mower comes with a powerful 170cc 4-stroke engine, making it an excellent choice for medium to large yards. Priced at $314.10, it offers a versatile 3-in-1 mowing function, allowing users to mulch, side discharge, or collect grass clippings in the rear bag. Its self-propelled design, featuring high wheels, is particularly beneficial for navigating hills and uneven terrains. This model boasts a bestseller rank of 13,987, indicating its popularity among users.

Overview of the Greenworks 40V 16" Cordless Lawn Mower

The Greenworks 40V 16" Cordless Lawn Mower is designed for convenience and efficiency, priced at $279.99. It features a lightweight design that is 35% lighter than traditional mowers, making it easier to maneuver. This cordless option provides 40 minutes of runtime on a single charge, making it ideal for small to medium lawns up to 1/3 acre. With a bestseller rank of 813, it demonstrates a strong appeal to eco-conscious homeowners seeking a gas-free mowing solution.

Performance Comparison

The performance of both mowers is tailored to different yard sizes and user preferences. The AMRISUN mower's powerful 170cc engine ensures robust cutting performance, especially in larger yards, while the Greenworks model delivers gas-like performance with its 40V battery system. The Greenworks mower is particularly advantageous for those seeking to avoid the maintenance associated with gas mowers, as it requires no gas or oil changes. However, the AMRISUN's self-propelled feature allows for less physical exertion when mowing larger, hilly areas.

Cutting Versatility

The cutting versatility of both mowers is notable but varies significantly. The AMRISUN features a 6-position adjustable cutting height ranging from 1.5 to 3.9 inches, allowing users to customize their lawn's appearance throughout the seasons. In contrast, the Greenworks mower offers a single-lever 5-position height control from 1.25 to 3.375 inches, which adapts to different grass types. While both mowers support mulching, the AMRISUN provides an additional side discharge and rear bagging option, making it a more versatile choice for diverse mowing needs.

Weight and Maneuverability

When it comes to weight and maneuverability, the Greenworks mower has a clear advantage. Weighing significantly less, it is designed for effortless handling, which is ideal for users who prioritize comfort during mowing. The ergonomic handles and push-button start enhance its usability, particularly for those with smaller yards or less physical strength. In contrast, the AMRISUN, while self-propelled, may require more effort in tight spaces due to its larger size and weight, making it less ideal for users who need a lightweight solution.

Maintenance and Convenience

Maintenance is a crucial factor for many homeowners. The Greenworks mower offers zero maintenance advantages, eliminating costs associated with gas, oil, and engine tune-ups. This model's whisper-quiet operation is another bonus, allowing users to mow early or late without disturbing neighbors. Conversely, the AMRISUN's gas engine requires more upkeep, such as regular oil changes and fueling. While it offers strong performance, those who prefer low-maintenance options may find the Greenworks mower more appealing.

Eco-Friendliness

In terms of eco-friendliness, the Greenworks mower stands out as a battery-powered option that produces no emissions, aligning with a growing trend toward sustainable lawn care solutions. This model not only reduces environmental impact but also saves users money on gas and maintenance—estimated at over $200 annually compared to gas mowers. The AMRISUN, being a gas mower, does not offer the same environmental benefits, making the Greenworks a more suitable choice for eco-conscious consumers.

Which should you buy?

Choosing between the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower and the Greenworks 40V 16" Cordless Lawn Mower ultimately depends on your specific needs and preferences. If you have a larger yard that requires a powerful engine and versatility in cutting options, the AMRISUN may be the better choice for you. However, if you prioritize ease of use, lower maintenance, and eco-friendliness, the Greenworks mower is worth considering. With a price difference of about 11%—the Greenworks at $279.99 compared to the AMRISUN at $314.10—it's a compelling option for homeowners looking for convenience and sustainability.