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AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with vs PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn

Updated July 2026 — PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn leads on price and engine cc.

The AMERISUN offers great value for budget-conscious consumers, while the PowerSmart provides enhanced performance and convenience.

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

Price

AMERISUN is $238.49, cheaper than PowerSmart at $297.49.

Weight

AMERISUN is lighter at 68 lbs.

Mowing Method

AMERISUN offers side discharge.

Why PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn is better

Engine Power

PowerSmart has a more powerful 170cc engine.

Self-Propelled

PowerSmart is self-propelled for easier use.

Durability

PowerSmart's design is optimized for tougher mowing jobs.

Overall score

AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with
75
PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn
85

Specifications

SpecAMERISUN 21-Inch 3IN1 Push Gas Lawn Mower withPowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn
Engine Type4-Stroke OHVOHV
Mowing FunctionSide DischargeRear Discharge
Cutting Height1.5" to 3.9"1.5" to 3.9"
Grass Catcher1.4 Bushel1.4 Bushel
Drive TypePushSelf-Propelled

Dimension comparison

AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower withPowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn

Overview of AMERISUN 21-Inch vs. PowerSmart 21-Inch Lawn Mowers

When comparing the AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with Mulching and the PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower, it is essential to consider their core features and intended use. The AMERISUN mower is priced at $238.49, while the PowerSmart model is $297.49, making the AMERISUN about 20% cheaper. Both mowers cater to different types of consumers based on their design, functionality, and engine power.

Engine Performance

The PowerSmart mower features a powerful 170cc OHV engine, providing robust performance and reliability for tougher mowing jobs. In contrast, the AMERISUN is equipped with a 144cc 4-stroke OHV engine that, while capable, is less powerful than its competitor. This difference in engine capacity may influence the choice for homeowners with larger or more challenging lawns. If you are looking for a mower that can handle dense grass or uneven terrain, the PowerSmart's engine might be the better choice.

Cutting Width and Deck Design

Both mowers offer a 21-inch cutting width, which is optimal for efficiently mowing medium to large yards. However, the PowerSmart's steel deck is designed for durability and efficiency, suitable for a variety of mowing conditions. The AMERISUN also features a rust-resistant steel deck, ensuring longevity and reliability. While both mowers provide similar cutting paths, the PowerSmart may provide a slight edge in performance due to its more robust engineering.

Mowing Versatility

The AMERISUN and PowerSmart mowers both boast a 3-in-1 mowing function, allowing for bagging, mulching, and side or rear discharge. The AMERISUN mower offers side discharge, which can be advantageous for quick mowing sessions. In contrast, the PowerSmart features rear discharge, which may be more suitable for those who prefer to collect clippings behind the mower. The choice between these two options can depend on personal preferences regarding lawn care and maintenance.

Cutting Height Adjustments

Both models provide a 6-position adjustable cutting height, ranging from 1.5 inches to 3.9 inches. This feature allows users to customize their mowing height according to the season and grass type, ensuring a well-maintained lawn. The ease of adjustment is a significant factor for many homeowners, as it enables them to achieve a professional-looking cut with minimal effort. Thus, in this aspect, both mowers are equally matched.

Weight and Maneuverability

The AMERISUN mower weighs 68 lbs, making it lightweight and easy to maneuver across various terrains. The PowerSmart, while not listed, is generally assumed to be heavier due to its self-propelled feature and larger engine. The self-propelled design of the PowerSmart allows for easier navigation on slopes and uneven ground, which can be especially beneficial for those with hilly yards. Homeowners should consider their lawn's topography when selecting between these models.

Ease of Use

The AMERISUN is a push mower, which requires more physical effort compared to the PowerSmart's self-propelled design. This feature makes the PowerSmart easier to operate, especially for larger lawns or for users who may have difficulty pushing a mower. However, for those who prefer a more hands-on approach and enjoy the workout, the AMERISUN could be a suitable fit. Ease of use is a crucial factor, especially for users who may struggle with traditional push mowers.

Price Comparison

The AMERISUN is priced at $238.49, while the PowerSmart comes in at $297.49, making the latter approximately 25% more expensive. This price difference can significantly influence a buyer's decision, especially for budget-conscious consumers. The AMERISUN offers great value for its features, but the additional investment in the PowerSmart may be justified for users requiring a more powerful engine and self-propulsion.

Which should you buy?

Deciding between the AMERISUN and PowerSmart mowers depends on individual needs and preferences. If you are looking for a more budget-friendly option with solid performance for small to medium yards, the AMERISUN at $238.49 is an excellent choice. However, if you have a larger yard or require a more powerful engine and the convenience of self-propulsion, the PowerSmart at $297.49 may be worth the investment. Ultimately, consider your lawn size, terrain, and personal comfort when making your decision.