AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc vs Scotts Outdoor Power Tools 2000-20S 20-Inch
Updated July 2026 — AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc wins on price and engine size, Scotts Outdoor Power Tools 2000-20S 20-Inch wins on sales rank.
The AMERISUN offers more power and versatility, making it a better choice for larger lawns, while the Scotts is a budget-friendly, eco-friendly option for smaller spaces.
Why AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc is better
Power
Gas engine provides consistent performance.
Versatility
3-in-1 functions for mulching, bagging, and side discharge.
Cutting Width
21-inch cutting deck handles thick grass better.
Why Scotts Outdoor Power Tools 2000-20S 20-Inch is better
Price
More affordable at $149.99.
Maintenance
Requires minimal upkeep with no engine.
Weight
Lighter at approximately 34 lbs for easier maneuverability.
Overall score
Specifications
| Spec | AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower, 144cc | Scotts Outdoor Power Tools 2000-20S 20-Inch |
|---|---|---|
| Engine Type | Gas | Manual |
| Cutting Method | Rotary | Reel |
| Grass Catcher | Yes | No |
| Durability | Steel Deck | Alloy Steel Blades |
| Ease of Use | Pull Start | Manual Push |
Dimension comparison
Overview of the AMERISUN and Scotts Lawn Mowers
When comparing the AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower and the Scotts Outdoor Power Tools 2000-20S 20-Inch 5-Blade Classic Push Reel Lawn Mower, it's clear that both offer distinct advantages. The AMERISUN is powered by a gas engine, providing consistent performance for small to medium-sized lawns, while the Scotts is a manual reel mower, emphasizing an eco-friendly, engine-free operation. The price difference is also notable: the AMERISUN retails for $238.49, whereas the Scotts is priced at $149.99, making the Scotts about 37% cheaper.
Cutting Performance
The AMERISUN boasts a robust 21-inch cutting deck powered by a 144cc 4-cycle engine, allowing it to handle thick grass with ease and efficiency. In contrast, the Scotts features a 20-inch cutting width with a unique 5-blade reel design that cuts grass like scissors. This means that the AMERISUN may be better suited for users seeking a powerful engine for larger tasks, while the Scotts offers a quiet and clean cutting experience. The choice here will largely depend on the user’s lawn conditions and desired cutting style.
Ease of Use
For ease of use, the AMERISUN is designed with a lightweight build of 68 lbs and a simple pull-start ignition, making it accessible for users who prefer gas-powered mowers. The Scotts, on the other hand, is manual and weighs approximately 34 lbs, allowing for easy maneuverability without the need for fuel. However, it does require more physical effort to push. If convenience is a priority, the AMERISUN may edge out slightly due to its gas operation, but the Scotts offers simplicity and low maintenance.
Versatility
The AMERISUN offers versatility with its 3-in-1 functions: mulching, bagging, and side discharge, making it suitable for various mowing styles and conditions. Users can choose how to manage their clippings based on their lawn care needs. Conversely, the Scotts is a manual reel mower without these options, relying solely on its cutting performance. If you value flexibility in lawn care, the AMERISUN stands out, while the Scotts is ideal for those who prioritize simplicity and a no-fuss approach.
Maintenance
In terms of maintenance, the AMERISUN requires regular checks and fuel management typical of gas-powered mowers, which can be seen as a drawback for some. Its steel deck is built for durability but may require more upkeep over time. The Scotts requires minimal maintenance since it has no engine or fuel system and is made from heat-treated alloy steel, ensuring longevity in its blade performance. For users who prefer a low-maintenance option, the Scotts may be the more appealing choice.
Price Comparison
The AMERISUN is priced at $238.49, while the Scotts is available for $149.99. This makes the Scotts about $88.50 cheaper than the AMERISUN. The lower price point of the Scotts provides a budget-friendly option for those looking to maintain their lawns without the added costs of fuel. This price difference may influence buyers who are conscious of their spending, especially those with smaller yards that do not require the power of a gas mower.
Customer Preferences and Popularity
With a sales rank of 8,653, the AMERISUN is a popular choice among users looking for a reliable gas-powered mower. Meanwhile, the Scotts ranks at 16,124, indicating it's a solid option but perhaps not as widely chosen. These rankings reflect customer preferences, suggesting that the AMERISUN is favored for its engine-powered capabilities. However, the Scotts still appeals to environmentally conscious consumers who prefer manual operation and a quieter mowing experience.
Which should you buy?
Ultimately, the decision between the AMERISUN 21-Inch 3IN1 Gas Push Lawn Mower and the Scotts Outdoor Power Tools 2000-20S 20-Inch 5-Blade Classic Push Reel Lawn Mower comes down to personal needs and preferences. If you have a medium-sized lawn and prioritize power and versatility, the AMERISUN may be the better choice despite its higher price. However, if you prefer a more eco-friendly, budget-conscious option for smaller lawns, the Scotts is an excellent alternative. Each mower offers unique benefits that cater to different types of users, making your choice a reflection of your specific lawn care needs.

