AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for vs SKIL PWR CORE 40 Brushless 40V 20-Inch
Updated July 2026 — AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for wins on engine cc and weight, SKIL PWR CORE 40 Brushless 40V 20-Inch wins on battery.
The AMRISUN mower offers a powerful gas engine at a lower price, while the SKIL mower provides the convenience of electric power and modern features.
Why AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for is better
Price
AMRISUN is cheaper by about 10%.
Engine Power
AMRISUN has a powerful gas engine.
Cutting Width
AMRISUN has a larger 21-inch cutting deck.
Why SKIL PWR CORE 40 Brushless 40V 20-Inch is better
Runtime
SKIL offers up to 50 minutes of runtime.
Maintenance
SKIL requires less maintenance due to electric motor.
Storage
SKIL has a foldable handle for compact storage.
Overall score
Specifications
| Spec | AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for | SKIL PWR CORE 40 Brushless 40V 20-Inch |
|---|---|---|
| Power Source | Gas | Electric |
| Cutting Height | 1.5-3.9 in | 1.5-4 in |
| Self-Propelled | Yes | Yes |
| Mulching | Yes | Yes |
| Start Type | Pull Start | Push Button |
Dimension comparison
Overview of the Mowers
The AMRISUN 21-Inch Self-Propelled Gas Lawn Mower is priced at $314.10, while the SKIL PWR CORE 40 Brushless 40V 20-Inch Self-Propelled Mower Kit costs $349.00. This makes the AMRISUN mower about 10% cheaper than the SKIL model. Both mowers are designed for ease of use and effective yard maintenance, but they cater to different needs. The AMRISUN offers a powerful gas engine, while the SKIL provides a cordless electric option, appealing to those who prefer the convenience of battery power.
Engine and Power Source
The AMRISUN mower features a powerful 170cc 4-stroke gas engine that delivers strong cutting performance, making it suitable for medium to large yards. In contrast, the SKIL mower uses a digital brushless motor powered by a 40V battery, eliminating the need for gas. The AMRISUN’s engine is known for easy starting and robust performance, while the SKIL’s brushless motor ensures efficient operation without the hassle of gas. This difference appeals to users based on their preferences for gas versus electric power sources.
Cutting Performance
In terms of cutting performance, the AMRISUN mower has a 21-inch cutting deck and offers a versatile 3-in-1 mowing function: mulching, side discharge, or rear bagging. The SKIL mower, with a slightly smaller 20-inch cutting deck, also provides a 3-in-1 functionality, allowing for bagging or mulching. The AMRISUN allows for a cutting height adjustment between 1.5 to 3.9 inches across six positions, while the SKIL offers seven settings ranging from 1.5 to 4 inches. This allows for more precision in height adjustment with the SKIL mower, which could be beneficial for users looking to achieve a specific lawn look.
Maneuverability and Design
When it comes to maneuverability, the AMRISUN features high wheels with a design optimized for easy navigation over hills and uneven terrain. Its 10-inch rear and 7-inch front wheels enhance its ability to glide smoothly, making yard work more effortless, especially in challenging landscapes. On the other hand, the SKIL mower includes a variable speed self-propel feature, allowing users to adjust the speed based on the task. Both mowers have foldable handles; however, the SKIL’s telescoping handle enables compact vertical storage, which is a significant advantage for those with limited space.
Battery Life and Runtime
The SKIL mower kit includes a 6.0Ah battery, providing up to 50 minutes of runtime on a single charge. This feature is particularly appealing for users who prefer the convenience of battery-powered mowers. The AMRISUN, being gas-powered, does not have a runtime limitation but does require refueling. While the AMRISUN may allow for continuous use without battery constraints, the SKIL's design ensures that it can be quickly recharged with the included Auto PWR JUMP charger, enhancing its usability for smaller tasks without the need for gas.
Maintenance and Durability
In terms of maintenance, the AMRISUN’s gas engine may require more upkeep compared to the SKIL’s electric motor. The AMRISUN is built with a heavy-duty steel deck, which contributes to its durability and longevity. Meanwhile, the SKIL mower is constructed with weather-resistant materials, enhancing its durability against the elements. Users looking for a low-maintenance option may find the SKIL mower more appealing due to its electric nature and the absence of gas-related maintenance.
Price Comparison
The price difference between the two mowers is notable. The AMRISUN is listed at $314.10, while the SKIL costs $349.00, making the SKIL about 11% more expensive. This price difference may reflect the advanced technology in the SKIL mower, particularly its brushless motor and battery system. Consumers should consider their budget alongside the features offered by each mower when making a decision.
Which should you buy?
Choosing between the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower and the SKIL PWR CORE 40 Brushless 40V Self-Propelled Mower ultimately depends on your specific needs. If you prioritize a powerful gas engine and a lower price point, the AMRISUN may be the better option for you. However, if you prefer the convenience of electric power, longer runtime without refueling, and modern technology, the SKIL mower would be worth the additional investment. Each mower has its strengths, catering to different preferences and yard maintenance styles.

