vsversusfinder

AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with vs WORX Nitro 21" Cordless Lawn Mower, Brushless

Updated July 2026 — AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with wins on weight and deck material, WORX Nitro 21" Cordless Lawn Mower, Brushless wins on runtime and battery.

The AMERISUN offers a more budget-friendly gas option, while the WORX provides advanced technology and convenience.

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

Price

AMERISUN is $238.49, cheaper than WORX at $379.99.

Engine Power

AMERISUN has a powerful 144cc gas engine.

Weight

AMERISUN is lighter at 68 lbs.

Why WORX Nitro 21" Cordless Lawn Mower, Brushless is better

Battery Life

WORX offers up to 50 minutes runtime with two batteries.

Cutting Technology

WORX features aerodeck technology for better cut quality.

Maintenance

WORX requires less maintenance with its brushless motor.

Overall score

AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with
75
WORX Nitro 21" Cordless Lawn Mower, Brushless
82

Specifications

SpecAMERISUN 21-Inch 3IN1 Push Gas Lawn Mower withWORX Nitro 21" Cordless Lawn Mower, Brushless
Engine TypeGasElectric
Cutting Height6 Positions7 Positions
Power SourceGasolineBattery
Mowing Modes3-in-13-in-1
Warranty2 Years3 Years

Dimension comparison

AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower withWORX Nitro 21" Cordless Lawn Mower, Brushless

Price Comparison

The AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower is priced at $238.49, making it about 37% cheaper than the WORX Nitro 21" Cordless Lawn Mower, which retails for $379.99. This significant price difference may be a crucial factor for budget-conscious consumers or those with smaller lawn care needs. While the AMERISUN offers a robust gas-powered solution, the WORX provides the benefits of a cordless electric mower. Buyers will need to weigh the upfront cost against the long-term benefits of maintenance and fuel savings that the WORX may offer.

Engine and Power

The AMERISUN features a powerful 144cc 4-stroke OHV engine, which provides strong cutting power ideal for small to medium yards. In contrast, the WORX Nitro operates on a brushless motor that delivers 40% more power and 10% longer runtime than previous models, making it a capable choice for lawns up to ½ acre. While the AMERISUN relies on gas, providing consistent power for demanding tasks, the WORX’s brushless motor is designed to optimize efficiency and battery life. This distinction may appeal to users looking for either traditional power or modern electric efficiency.

Cutting Versatility

Both lawn mowers offer 3-in-1 mowing functionality, allowing for mulching, bagging, and side discharge. The AMERISUN’s versatile design includes a 1.4-bushel grass catcher, making it convenient for maintaining a tidy lawn. The WORX Nitro also excels in this area, featuring a mulch plug and discharge chute that allow users to switch modes easily. However, the AMERISUN’s robust gas engine may provide a slight edge in maintaining performance in tougher conditions, while the WORX's aerodeck technology enhances cut quality and bag collection. Consumers will want to consider how important these features are for their specific lawn care needs.

Cutting Height Adjustment

The AMERISUN offers a 6-position adjustable cutting height ranging from 1.5" to 3.9", allowing for flexibility in handling various grass lengths and uneven terrain. Meanwhile, the WORX Nitro provides 7-position height adjustment from 1.5" to 4". This marginal difference allows for slightly taller grass cuts with the WORX, which may be beneficial for users with diverse mowing preferences. Both mowers are designed to ensure an even cut, but the additional height option in the WORX might sway those who prioritize taller grass maintenance.

Weight and Maneuverability

Weighing in at 68 lbs, the AMERISUN is a lightweight option that enhances maneuverability across different terrains. This can be particularly advantageous for homeowners who may not want to deal with the heft of heavier machines. The WORX Nitro, being a cordless electric mower, emphasizes ease of use and features a fully collapsible handle for convenient storage. While both mowers are designed for easy handling, the AMERISUN’s weight may appeal to those who prefer a more traditional gas mower feel, especially in challenging mowing conditions.

Battery Life and Runtime

The WORX Nitro boasts two 20V 5.0Ah PowerShare Pro batteries, providing a maximum runtime of up to 50 minutes, making it suitable for yards up to ½ acre. In contrast, the AMERISUN does not rely on batteries but rather a gas engine, which can be refueled quickly for uninterrupted mowing. This difference highlights the convenience of the WORX’s cordless design versus the traditional gas setup of the AMERISUN. Consumers should consider the size of their lawn and how often they wish to refuel or recharge when deciding between these two mowers.

Maintenance and Longevity

The AMERISUN’s gas engine may require more maintenance, such as oil changes and regular upkeep, which can be a drawback for some users. However, its durable steel deck is designed to resist rust and handle tough grass, suggesting a focus on longevity. On the other hand, the WORX Nitro's brushless motor is engineered to last longer with less maintenance, and its high-strength polymer deck resists impact damage and corrosion. This distinction may appeal to those looking for a low-maintenance option, especially in terms of environmental impact, as the WORX eliminates emissions associated with gas mowers.

Which should you buy?

Choosing between the AMERISUN 21-Inch Push Gas Lawn Mower and the WORX Nitro 21" Cordless Lawn Mower ultimately depends on your specific lawn care needs and preferences. If you prioritize budget and the traditional power of gas, the AMERISUN is a compelling choice at $238.49. However, if you’re looking for advanced technology, ease of use, and a more environmentally friendly option, the WORX Nitro, despite its higher price of $379.99, offers features that enhance efficiency and convenience. Evaluate your lawn size, maintenance preferences, and budget to make the best decision for your mowing needs.