AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for vs BLACK+DECKER 20-Inch Corded Electric Lawn Mower
Updated July 2026 — AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for wins on engine size and deck material, BLACK+DECKER 20-Inch Corded Electric Lawn Mower wins on weight.
The AMRISUN mower excels in power and versatility for larger yards, while the BLACK+DECKER offers a lightweight and cost-effective solution for smaller lawns.
Why AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for is better
Power
AMRISUN has a 170cc engine compared to BLACK+DECKER's 13 Amp motor.
Maneuverability
AMRISUN's self-propelled feature aids in navigating uneven terrain.
Cutting Height
AMRISUN offers a wider cutting height range of 1.5 to 3.9 inches.
Why BLACK+DECKER 20-Inch Corded Electric Lawn Mower is better
Weight
BLACK+DECKER is lighter and easier to push.
Price
BLACK+DECKER is priced lower at $259.00.
Edge Cutting
BLACK+DECKER's EdgeMax design allows for closer cutting along edges.
Overall score
Specifications
| Spec | AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for | BLACK+DECKER 20-Inch Corded Electric Lawn Mower |
|---|---|---|
| Power Source | Gas | Electric |
| Cutting Modes | 3-in-1 | 3-in-1 |
| Height Settings | 6 | 7 |
| Warranty | N/A | 2 Years |
| Starting Method | Pull Start | Electric Start |
Dimension comparison
Overview of the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower
The AMRISUN 21-Inch Self-Propelled Gas Lawn Mower is designed for those with larger yards, offering a powerful 170cc 4-stroke engine. This mower's self-propelled feature and high-wheel design make it easier to maneuver on diverse terrains. With a current price of $314.10, it is tailored for users seeking a robust solution for maintaining expansive lawns.
This mower's capability to mulch, side discharge, or collect grass in its rear bag makes it highly versatile, addressing various lawn care needs. Furthermore, the six-position adjustable cutting height ranging from 1.5 to 3.9 inches allows for customization, ensuring a well-manicured lawn throughout the seasons.
Overview of the BLACK+DECKER 20-Inch Corded Electric Lawn Mower
The BLACK+DECKER 20-Inch Corded Electric Lawn Mower is an ultra-light push mower powered by a 13 Amp motor. Priced at $259.00, it is about 17% cheaper than the AMRISUN mower. This electric mower is ideal for users looking for a lightweight option that still delivers power and efficiency.
Equipped with a 3-in-1 cutting capability—mulching, bagging, and side discharge—it offers versatility for various lawn conditions. The single lever height adjustment allows cuts between 1.5 inches and 4 inches, providing flexibility for different grass types and lengths. The mower also features an EdgeMax deck design, making it effective for trimming close to edges without the need for additional tools.
Power and Performance Comparison
In terms of power, the AMRISUN mower's 170cc 4-stroke engine provides robust performance suitable for cutting through thick grass in larger yards. This self-propelled model is designed to handle uneven terrain with ease, thanks to its high-wheel design, which includes 10-inch rear wheels and 7-inch front wheels.
Conversely, the BLACK+DECKER mower, with its 13 Amp motor, delivers reliable power, particularly for smaller to medium-sized lawns. While both mowers provide strong cutting capabilities, the gas-powered AMRISUN may be more effective in tackling tougher grass and larger areas, whereas the electric BLACK+DECKER excels in convenience and ease of use for smaller spaces.
Cutting Versatility
The AMRISUN mower stands out with its versatile 3-in-1 mowing function, allowing users to mulch, side discharge, or collect clippings in the rear bag. This feature is particularly beneficial for those who prefer to maintain their lawns without frequent trips to dispose of clippings.
On the other hand, the BLACK+DECKER mower also offers a 3-in-1 cutting versatility. Its ability to efficiently mulch, bag, or discharge grass clippings makes it a practical choice for homeowners seeking flexibility. The EdgeMax deck design allows for close cutting along borders, a feature that can be advantageous for maintaining a tidy appearance around flower beds and fences.
Cutting Height Adjustability
The AMRISUN mower provides a cutting height range from 1.5 to 3.9 inches, adjustable through six positions. This feature allows users to achieve a customized lawn finish, accommodating different grass types and seasonal growth patterns.
In comparison, the BLACK+DECKER mower offers a similar height adjustment capability with seven settings, ranging from 1.5 inches to 4 inches. This slight edge in options gives users more control over the cutting height, ensuring they can easily adapt to changing lawn care needs throughout the year.
Ease of Use and Maneuverability
The AMRISUN mower's self-propelled feature significantly enhances its ease of use, especially on slopes and uneven terrain. The high-wheel design ensures smooth navigation over various surfaces, making it a suitable choice for larger or more challenging yards.
The BLACK+DECKER mower is designed with lightweight construction in mind, making it easy to push and maneuver. Its corded electric design eliminates the need for fuel or complicated starting procedures, providing a hassle-free mowing experience. While it may not match the self-propelled convenience of the AMRISUN, it excels in ease of operation for smaller lawns.
Maintenance and Storage
Both mowers are built for durability and ease of maintenance. The AMRISUN mower features a heavy-duty steel deck and a 1.4-bushel grass catcher, which minimizes trips to empty clippings and allows for easy storage when folded. This design supports quick assembly, enabling users to start mowing in minutes.
The BLACK+DECKER mower, with its fabric grass bag, makes it simple to check when it's full, enhancing user convenience. Additionally, its lightweight design allows for easy transport and storage, making it a practical choice for homeowners with limited storage space.
Which should you buy?
Choosing between the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower and the BLACK+DECKER 20-Inch Corded Electric Lawn Mower ultimately depends on your specific lawn care needs. If you have a large yard, the AMRISUN offers powerful performance, versatility, and superior maneuverability, justifying its higher price of $314.10. However, if you're looking for a cost-effective, lightweight option for a smaller lawn, the BLACK+DECKER, priced at $259.00, provides reliable performance and ease of use. Consider your lawn size, terrain, and personal preferences to make the best choice for your mowing needs.

