AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for vs Sun Joe 15-Inch Electric Powered Lawn Dethatcher
Updated July 2026 — AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for leads on engine size and weight.
The AMRISUN mower is ideal for large yards with its powerful engine and versatile mowing options, while the Sun Joe dethatcher excels in lawn health at a lower price.
Why AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for is better
Power
AMRISUN has a 170cc engine compared to Sun Joe's 13-amp motor.
Versatility
AMRISUN offers a 3-in-1 mowing function.
Maneuverability
AMRISUN features high wheels for better handling on uneven terrain.
Why Sun Joe 15-Inch Electric Powered Lawn Dethatcher is better
Price
Sun Joe is approximately 46% cheaper.
Weight
Sun Joe is lighter, making it easier to handle.
Storage
Sun Joe has a simpler cleanup process with a large collection bag.
Overall score
Specifications
| Spec | AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for | Sun Joe 15-Inch Electric Powered Lawn Dethatcher |
|---|---|---|
| Power Source | Gas | Electric |
| Mowing Function | 3-in-1 | 2-in-1 |
| Motor Power | 170cc | 13-amp |
| Depth Control | N/A | 5-position |
| Self-Propelled | Yes | No |
Dimension comparison
Overview of AMRISUN 21-Inch Self-Propelled Gas Lawn Mower
The AMRISUN 21-Inch Self-Propelled Gas Lawn Mower is designed for large yards and offers impressive features for lawn maintenance. Priced at $314.10, this gas-powered mower is equipped with a powerful 170cc 4-stroke engine that ensures reliable starting and robust cutting performance. With a sales rank of 13,987, it is a solid choice for those looking for a durable lawn mower that can handle various terrains. The 3-in-1 functionality allows users to mulch, side discharge, or collect grass clippings, making it versatile for different yard care needs.
Overview of Sun Joe 15-Inch Electric Powered Lawn Dethatcher
The Sun Joe 15-Inch Electric Powered Lawn Dethatcher is an efficient tool priced at $169.99, making it about 46% cheaper than the AMRISUN mower. This electric dethatcher is equipped with a 13-amp motor that effectively removes thatch, aerates the lawn, and revitalizes grass. With a sales rank of 2,581, it stands out for its performance in lawn care, especially in removing dead grass and debris. The 2-in-1 functionality combines dethatching and scarifying, offering a comprehensive solution for lawn maintenance.
Power and Performance
When it comes to power, the AMRISUN mower boasts a 170cc 4-stroke engine, which is significant for handling larger yards and tougher grass. In contrast, the Sun Joe dethatcher is powered by a 13-amp electric motor, focusing on dethatching and aeration rather than cutting grass. The AMRISUN's self-propelled design enhances maneuverability across hills and uneven terrains, while the Sun Joe's motor provides effective thatch removal, making both products powerful in their respective categories.
Cutting and Dethatching Capabilities
The AMRISUN mower features a versatile 3-in-1 mowing function that allows users to choose between mulching, side discharge, or bagging grass clippings. This flexibility is ideal for maintaining a well-manicured lawn. On the other hand, the Sun Joe dethatcher is designed specifically for thatch removal and features a customizable 5-position depth control. This allows users to tailor the dethatching process to their lawn's specific needs, ensuring efficient results. While the AMRISUN focuses on mowing, the Sun Joe excels in lawn rejuvenation techniques.
Maneuverability and Design
Maneuverability is a key feature of both products. The AMRISUN mower is equipped with high wheels—10-inch rear and 7-inch front—which provide excellent stability and ease of movement over uneven terrain. This design makes yard work less strenuous. Conversely, the Sun Joe dethatcher features four durable easy-glide wheels, promoting effortless navigation across lawns. Both products are designed to reduce user fatigue, but the AMRISUN is specifically tailored for mowing, while the Sun Joe is optimized for dethatching.
Maintenance and Storage
In terms of maintenance and storage, the AMRISUN mower includes a 1.4-bushel grass catcher, which minimizes the frequency of emptying during mowing sessions. Its foldable handle allows for compact storage, making it convenient for users with limited space. In contrast, the Sun Joe dethatcher comes with a large collection bag that simplifies the cleanup process after dethatching. Both tools prioritize ease of use and storage, but the AMRISUN's features are more aligned with regular mowing maintenance.
Pricing and Value
The AMRISUN mower is priced at $314.10, while the Sun Joe dethatcher is significantly cheaper at $169.99, making it about 46% less expensive. Given their different functions, the value of each product depends on the user's specific lawn care needs. If you require a robust mower for large areas, the AMRISUN may justify its higher price. However, for those focused on lawn health and thatch removal, the Sun Joe offers substantial value at a lower price point.
Which should you buy?
Choosing between the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower and the Sun Joe 15-Inch Electric Powered Lawn Dethatcher ultimately hinges on your lawn care requirements. If you have a large yard and need a versatile mower capable of cutting, mulching, and collecting grass, the AMRISUN is the superior choice despite its higher price. However, if your primary concern is maintaining the health of your lawn through dethatching and aeration, the Sun Joe provides an excellent, cost-effective solution. Assess your specific needs and budget to determine the best fit for your lawn care arsenal.

