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AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc vs STEELITE 40V 17-inch Electric Lawn Mower, 12-Inch

Updated July 2026 — AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc wins on weight and deck material, STEELITE 40V 17-inch Electric Lawn Mower, 12-Inch wins on runtime.

The AMERISUN mower excels in cutting performance and versatility, making it a better choice for medium-sized lawns. The STEELITE offers convenience and additional tools but at a higher price.

Why AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc is better

Cutting Width

AMERISUN has a 21-inch cutting deck.

Engine Power

AMERISUN features a powerful gas engine.

Versatility

AMERISUN offers 3-in-1 functionality.

Why STEELITE 40V 17-inch Electric Lawn Mower, 12-Inch is better

Weight

STEELITE is significantly lighter at 30 lbs.

Convenience

STEELITE requires no gas or oil.

Additional Tools

STEELITE includes a string trimmer and leaf blower.

Overall score

AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc
85
STEELITE 40V 17-inch Electric Lawn Mower, 12-Inch
75

Specifications

SpecAMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144ccSTEELITE 40V 17-inch Electric Lawn Mower, 12-Inch
Engine TypeGasElectric
Cutting Height1.5"-3.9"0.98"-2.95"
BatteriesN/A2x20V
Start MethodPull StartPush Button
Sales Rank86539291

Dimension comparison

AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144ccSTEELITE 40V 17-inch Electric Lawn Mower, 12-Inch

Overview of the AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower

The AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower is priced at $238.49 and features a 144cc 4-cycle OHV engine, making it a strong contender for small to medium-sized lawns. With a sales rank of 8,653, it’s positioned well within the market. This gas-powered mower offers a 21-inch cutting deck and a 3-in-1 system for mulching, bagging, and side discharge, catering to various lawn care needs efficiently. Its adjustable height settings allow for six different cutting heights, ensuring a customizable mowing experience for different grass types and seasons.

Overview of the STEELITE 40V 17-Inch Electric Lawn Mower

The STEELITE 40V 17-Inch Electric Lawn Mower is available at a higher price of $329.99 but comes as part of a versatile combo set that includes a 12-inch cordless string trimmer and a powerful leaf blower. This mower features a dual-battery system, allowing for a runtime of up to 25 minutes. Its lightweight design at just 30 lbs makes it easy to maneuver, and it has a 6-position cutting height adjustment. With a sales rank of 9,291, it’s slightly behind the AMERISUN in popularity but still offers innovative features for a convenient mowing experience.

Performance Comparison

When it comes to performance, the AMERISUN mower, powered by its 144cc engine, provides solid cutting power tailored for thicker grass and larger yards. Its gas engine ensures consistent performance and easy ignition, suitable for those who prefer traditional power sources. In contrast, the STEELITE mower utilizes a brushless motor, providing up to 3400 RPM, delivering a strong cutting power but with a limited runtime depending on grass conditions. Although the electric mower may be quieter and easier to start, its battery life may limit mowing sessions, especially on larger properties.

Cutting Width and Deck Design

The AMERISUN features a wider 21-inch cutting deck compared to the STEELITE's 17-inch deck. This larger width allows the AMERISUN to cover more ground in a single pass, making it more efficient for medium-sized lawns. The rust-resistant steel deck of the AMERISUN is designed for durability, ideal for routine lawn care. Meanwhile, the STEELITE's electric mower has the advantage of being lightweight and easy to maneuver due to its compact design, although it sacrifices cutting width, which may result in longer mowing times for larger areas.

Versatility in Lawn Care

The AMERISUN offers a 3-in-1 functionality, allowing users to mulch, bag, or side discharge clippings, which provides flexibility in lawn care approaches. This feature supports natural lawn maintenance by recycling grass clippings back into the soil. On the other hand, the STEELITE also provides mulching and bagging options but is distinguished by the inclusion of additional tools—a string trimmer and a leaf blower. This combo set enhances its versatility, making it suitable for comprehensive lawn and garden care beyond just mowing.

Weight and Maneuverability

Weighing 68 lbs, the AMERISUN is relatively heavier than the STEELITE, which weighs only 30 lbs. This weight difference significantly impacts maneuverability; the lighter electric mower can be easily navigated around obstacles, making it a suitable choice for smaller, more intricate lawns. However, the AMERISUN's weight contributes to its stability and cutting performance on uneven terrain, which may be an advantage for those with less manicured lawns. The foldable handle on both mowers aids in storage and transport, enhancing their usability.

Maintenance and Convenience

In terms of maintenance, the AMERISUN requires typical gas mower upkeep, including oil changes and spark plug replacements, which can be seen as a drawback for users seeking convenience. Conversely, the STEELITE’s electric design means no oil or gas is needed, making it easier to maintain and operate. The instant start feature of the electric mower adds to its convenience, allowing users to begin mowing with minimal effort. However, the reliance on battery power may necessitate charging time, which could interrupt longer mowing sessions.

Which should you buy?

Choosing between the AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower and the STEELITE 40V 17-Inch Electric Lawn Mower ultimately depends on individual needs and preferences. If you prioritize cutting performance, wider mowing capability, and versatility in lawn maintenance, the AMERISUN at $238.49 is the better choice, especially for medium-sized lawns. However, if you prefer a lightweight, easy-to-maneuver electric option and appreciate the added value of the string trimmer and leaf blower, the STEELITE, priced at $329.99, offers a compelling package despite its higher price. Each mower shines in its own right, making the decision hinge on specific yard care requirements and personal preferences.