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AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for vs WORX Nitro 21" Cordless Lawn Mower, Electric Mower

Updated July 2026 — AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for wins on weight, WORX Nitro 21" Cordless Lawn Mower, Electric Mower wins on runtime and battery.

The WORX Nitro offers advanced technology and lower maintenance, making it a better choice for most users.

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

Price

AMRISUN is cheaper by $45.

Power

AMRISUN has a powerful gas engine.

Cutting Height

AMRISUN offers a 6-position adjustable cutting height.

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

Technology

WORX Nitro features Aerodeck technology.

Maintenance

WORX Nitro requires less maintenance.

Sales Rank

WORX Nitro has a better sales rank.

Overall score

AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for
75
WORX Nitro 21" Cordless Lawn Mower, Electric Mower
85

Specifications

SpecAMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower forWORX Nitro 21" Cordless Lawn Mower, Electric Mower
Engine TypeGasElectric
Cutting Height1.5-3.9"1.5-4"
Mowing Function3-in-13-in-1
Self-PropelledYesYes
Power SourceGasBattery

Dimension comparison

AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower forWORX Nitro 21" Cordless Lawn Mower, Electric Mower

Introduction to Lawn Mowers

Lawn mowers are essential tools for maintaining a pristine lawn, and choosing the right one can significantly impact your gardening experience. In this comparison, we will evaluate two popular models: the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower and the WORX Nitro 21" Cordless Lawn Mower. With prices of $314.10 and $359.99 respectively, both mowers cater to different needs and preferences for yard maintenance.

Performance Comparison

When it comes to performance, the AMRISUN mower features a powerful 170cc 4-stroke engine, which offers reliable cutting power for medium to large yards. Its self-propelled design and high-wheel features allow for smooth maneuvering over uneven terrain. On the other hand, the WORX Nitro uses a brushless motor that delivers 40% more power than previous models, making it suitable for lawns up to ½ acre. While the AMRISUN is ranked 13,987 in sales, the WORX Nitro holds a stronger position at 4,191, indicating its popularity and perceived performance benefits.

Cutting Capability

The cutting capability of both mowers is versatile, but they employ different technologies. The AMRISUN boasts a 6-position adjustable cutting height ranging from 1.5 to 3.9 inches, allowing for precise lawn customization. In contrast, the WORX Nitro features a single lever that easily adjusts cutting heights between 1.5 and 4 inches, providing slightly more flexibility. The WORX also incorporates Aerodeck technology, which enhances cut quality and efficiency by preventing clogs. This advantage may appeal to users looking for a cleaner finish.

Versatility and Functionality

Versatility is a strong suit of both mowers, though they differ in their approach. The AMRISUN offers a 3-in-1 mowing function that allows for mulching, side discharge, or rear bag collection, making it suitable for various lawn care needs. Meanwhile, the WORX Nitro also supports bagging, mulching, and rear-side discharging with its 3-in-1 functionality. Its Intellicut technology adjusts power based on grass thickness, which can enhance efficiency during mowing tasks. Overall, users seeking customizable mowing options will find both mowers capable.

Ease of Use

In terms of ease of use, the AMRISUN's high-wheel self-propelled design simplifies navigation over difficult terrain, making yard work less strenuous. It also features a foldable handle for compact storage. The WORX Nitro excels in user-friendliness with its variable speed self-propulsion, allowing users to set a comfortable mowing speed up to 3.7 MPH. Additionally, the onboard charge-level indicator provides real-time battery information. Although both mowers are user-friendly, the WORX Nitro's features may provide a more tailored mowing experience.

Maintenance and Upkeep

Maintenance is a critical consideration for any lawn mower. The AMRISUN, being gas-powered, requires standard upkeep associated with combustion engines, including oil changes and fuel management. This may involve more time and cost in the long run. Conversely, the WORX Nitro is electric, which means less maintenance is required, with no need for gas or oil changes. Its brushless motor design also contributes to longer runtimes and reduced wear. For users prioritizing low-maintenance equipment, the WORX Nitro is a more appealing choice.

Price and Value

The AMRISUN is currently priced at $314.10, making it about 17% cheaper than the WORX Nitro at $359.99. Given its strong performance and features, the AMRISUN offers solid value for those with larger yards needing a robust mower. However, the WORX Nitro justifies its higher price with advanced technology and enhanced power efficiency, appealing to users who want a quieter and more environmentally friendly mowing option. The choice between price and additional features will be a key consideration for potential buyers.

Customer Feedback and Ratings

Customer feedback can offer insights into the real-world performance of these mowers. The AMRISUN has received positive reviews for its powerful engine and cutting capabilities, despite being less popular than the WORX Nitro. The WORX Nitro, with its higher sales rank, suggests that it has garnered a loyal customer base, likely due to its innovative technology and ease of use. Users appreciate the convenience of the cordless design and the efficiency of the Intellicut feature, which enhances performance during varied mowing conditions.

Which should you buy?

Choosing between the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower and the WORX Nitro 21" Cordless Lawn Mower depends on your specific needs and preferences. If you require a powerful gas mower with versatile capabilities at a lower price, the AMRISUN is a strong contender. However, if you prefer advanced technology, lower maintenance, and the convenience of a cordless electric mower, the WORX Nitro is worth the investment. Ultimately, assessing your lawn size, terrain, and mowing habits will guide your decision between these two capable mowers.