AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with vs AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for
Updated July 2026 — AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for leads on engine cc and weight.
The AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower is a budget-friendly option for smaller yards, while the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower offers enhanced performance for larger areas.
Why AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with is better
Price
AMERISUN is $75.61 cheaper.
Weight
AMERISUN is lighter at 68 lbs.
Simplicity
AMERISUN is easier to operate for small yards.
Why AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for is better
Power
AMRISUN has a more powerful 170cc engine.
Self-Propelled
AMRISUN offers self-propelled functionality.
Maneuverability
AMRISUN is better for uneven terrain.
Overall score
Specifications
| Spec | AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower with | AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for |
|---|---|---|
| Engine Type | 4-Stroke OHV | 4-Stroke OHV |
| Mowing Functions | 3-in-1 | 3-in-1 |
| Adjustable Height | 6 Positions | 6 Positions |
| Starting System | Recoil | Recoil |
| Build Material | Steel | Steel |
Dimension comparison
Overview of the AMERISUN Lawn Mowers
The AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower is priced at $238.49, while the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower costs $314.10. The self-propelled model is about 31% more expensive, but it offers features that may justify the higher cost for larger yards. Both mowers are designed for efficiency, but they cater to different user needs based on yard size and terrain.
Engine Performance
The AMERISUN model features a 144cc 4-stroke OHV engine that delivers solid cutting power for small to medium yards. In contrast, the AMRISUN is equipped with a more powerful 170cc 4-stroke engine, designed for medium to large yards. This additional power may make a significant difference when tackling tougher grass or uneven terrain. Users looking for a robust performance will find the AMRISUN’s engine more suitable for demanding landscaping tasks.
Mowing Functionality
Both mowers provide a versatile 3-in-1 mowing functionality, allowing users to choose between mulching, bagging, or side discharge. However, the AMERISUN model emphasizes ease of use for smaller spaces, while the AMRISUN is crafted for larger areas and professional landscaping. The self-propelled feature of the AMRISUN not only enhances maneuverability but also reduces physical strain, making it ideal for extensive mowing sessions.
Cutting Height Adjustability
The AMERISUN offers a 6-position adjustable cutting height ranging from 1.5” to 3.9”, which helps achieve an even cut across various grass types. The AMRISUN matches this versatility with the same cutting height range but benefits from its self-propelled design, making it easier to adjust while mowing. Both models allow for customization, but the AMRISUN's additional power and ease of use make height adjustments more manageable on larger properties.
Design and Build Quality
In terms of build quality, both mowers feature a durable steel deck and a 1.4-bushel grass catcher, ensuring longevity and efficient grass collection. The AMERISUN weighs 68 lbs, making it lightweight and easy to maneuver for smaller yards. Conversely, the AMRISUN’s self-propelled design, coupled with high wheels, makes it adept at navigating hills and uneven terrains, which can be a critical factor for users with larger or more challenging landscapes.
Ease of Use
The AMERISUN’s lightweight design and easy-start recoil system facilitate effortless mowing, making it an excellent choice for those who prefer a straightforward push mower experience. On the other hand, the AMRISUN’s self-propelled feature enhances ease of use by taking much of the physical effort out of mowing, particularly on larger properties. For those concerned about ease of operation, the AMRISUN offers a more user-friendly experience, especially on varied terrain.
Price Comparison
The AMERISUN is priced at $238.49, which is about $75.61 less than the AMRISUN's price of $314.10. This price difference of roughly 31% may appeal to budget-conscious buyers or those with smaller yards who do not require the advanced features of the self-propelled mower. However, for users with larger lawns or more demanding mowing needs, the investment in the AMRISUN could be justified given its enhanced performance and features.
Which should you buy?
Choosing between the AMERISUN 21-Inch 3IN1 Push Gas Lawn Mower and the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower depends on your specific needs. If you have a smaller yard and prioritize a budget-friendly option, the AMERISUN offers great value. However, for those with larger or uneven lawns who desire a self-propelled mower for easier handling, the AMRISUN is worth the extra investment. Consider your yard size, terrain, and mowing habits to determine which mower will serve you best.

