AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with vs BLACK+DECKER Electric Lawn Mower, Weed Eater and
Updated July 2026 — AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with wins on price and power, BLACK+DECKER Electric Lawn Mower, Weed Eater and wins on storage size.
The AMERISUN offers superior power and cutting width, making it ideal for larger lawns, while the BLACK+DECKER is more affordable and user-friendly for small spaces.
Why AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with is better
Power
AMERISUN has a 144cc gas engine.
Cutting Width
AMERISUN features a 21-inch cutting deck.
Versatility
AMERISUN offers mulching, bagging, and side discharge.
Why BLACK+DECKER Electric Lawn Mower, Weed Eater and is better
Price
BLACK+DECKER is priced at $74.92.
Weight
BLACK+DECKER is lighter and easier to maneuver.
Maintenance
BLACK+DECKER requires less maintenance.
Overall score
Specifications
| Spec | AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with | BLACK+DECKER Electric Lawn Mower, Weed Eater and |
|---|---|---|
| Engine Type | Gas | Electric |
| Cutting Options | 3-in-1 | 3-in-1 |
| Warranty | N/A | 2 Years |
| Maneuverability | Medium | High |
| Ideal Lawn Size | Medium | Small |
Dimension comparison
Price Comparison
The AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower is priced at $238.49, while the BLACK+DECKER Electric Lawn Mower is significantly cheaper at $74.92. This makes the BLACK+DECKER about 69% less expensive than the AMERISUN. For users on a budget or those maintaining smaller yards, the lower price point of the BLACK+DECKER may be more appealing. However, the AMERISUN offers a more powerful gas engine, which could justify the higher cost for larger or more demanding lawn care tasks.
Performance and Power
When it comes to performance, the AMERISUN boasts a powerful 144cc 4-Stroke OHV engine, providing strong cutting power for small to medium-sized yards. In contrast, the BLACK+DECKER features a 6.5 amp motor that delivers effective results but may not match the raw power of a gas engine. The AMERISUN’s gas engine allows for continuous operation without the need for cords, making it a more robust option for extensive mowing tasks. Thus, for thicker grass or larger areas, the AMERISUN may perform better overall.
Cutting Width and Versatility
The AMERISUN features a wide 21-inch cutting deck, allowing for efficient mowing of larger areas. This is significantly wider than the BLACK+DECKER’s 12-inch cutting width, which is designed for compact spaces. Additionally, the AMERISUN offers a versatile 3-in-1 function with mulching, bagging, and side discharge, catering to various lawn care needs. The BLACK+DECKER also provides a 3-in-1 capability, allowing users to mow, trim, and edge, but its smaller size limits its efficiency for larger lawns.
Ease of Use
Both products are designed for user convenience, but they cater to different preferences. The AMERISUN is a push mower that, while lightweight at 68 lbs, requires manual effort to operate. Its adjustable cutting height offers flexibility for different grass lengths. On the other hand, the BLACK+DECKER is designed for ease of use with its automatic feed spool, which eliminates manual adjustments and allows for uninterrupted operation. This makes the BLACK+DECKER particularly user-friendly for those who may not want the physical exertion associated with push mowers.
Storage and Portability
The AMERISUN's foldable handle allows for easy storage in garages or sheds, making it a practical choice for homeowners with limited space. However, its weight may pose a challenge for some when transporting it. In contrast, the BLACK+DECKER is lightweight and designed for effortless maneuvering, which is ideal for small yards. Its compact design makes it easier to store without taking up much space. For those prioritizing portability and storage convenience, the BLACK+DECKER may have the edge.
Suitability for Lawn Size
The AMERISUN is best suited for small to medium-sized lawns, where its powerful engine and wide cutting deck can be fully utilized. Its features cater to homeowners who need to maintain a standard suburban yard. Conversely, the BLACK+DECKER is particularly effective for small lawns, where its compact size and versatility can shine. It is ideal for those who have minimal yard space and prefer an electric lawn care solution. Depending on the size of your lawn, each mower serves a distinct purpose.
Maintenance and Care
Maintenance varies between the two mowers. The AMERISUN, being a gas mower, requires more regular maintenance, including oil changes, fuel management, and potential winterization. However, its robust design may lead to a longer lifespan with the right care. The BLACK+DECKER, as an electric mower, demands less maintenance, primarily involving keeping the cord in good condition and ensuring the blades remain sharp. For users looking for a low-maintenance option, the BLACK+DECKER could be the more appealing choice.
Which should you buy?
Choosing between the AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower and the BLACK+DECKER Electric Lawn Mower largely depends on your specific lawn care needs. If you require a powerful and versatile mower for larger areas, the AMERISUN offers superior performance and cutting capabilities. However, if you're looking for affordability, ease of use, and a solution for small yards, the BLACK+DECKER is a fantastic choice. Ultimately, your decision should align with your lawn size, maintenance preferences, and budget considerations.

