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PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn vs PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc

Updated July 2026 — PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn leads on engine size and weight.

The PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower offers more power and versatility, making it the better choice for larger lawns, while the 2-in-1 Push Lawn Mower is a great budget-friendly option for smaller yards.

Why PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn is better

Engine Power

170cc engine vs 144cc engine

Cutting Versatility

3-in-1 function vs 2-in-1 function

Maneuverability

Self-propelled design vs push design

Why PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc is better

Price

$279.99 vs $297.49

Weight

Lightweight design at 62 lbs

Safety Feature

Start/stop control lever for emergencies

Overall score

PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn
85
PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc
75

Specifications

SpecPowerSmart 21-Inch 3-in-1 Gas Self-Propelled LawnPowerSmart 21" 2-in-1 Push Lawn Mower, 144cc
Engine TypeOHV 170ccOHV 144cc
Cutting Modes3-in-12-in-1
Height Adjustment6 positions6 positions
Drive TypeSelf-propelledPush
Safety FeaturesNone specifiedStart/stop lever

Dimension comparison

PowerSmart 21-Inch 3-in-1 Gas Self-Propelled LawnPowerSmart 21" 2-in-1 Push Lawn Mower, 144cc

Overview of PowerSmart Lawn Mowers

In this comparison, we examine two compelling options from PowerSmart: the PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower and the PowerSmart 21" 2-in-1 Push Lawn Mower. Both models cater to different user needs and preferences, which can significantly impact your mowing experience. The 3-in-1 model is priced at $297.49, while the 2-in-1 version is about 6% cheaper at $279.99, making it a more budget-friendly option.

Engine Performance

The PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower is equipped with a robust 170cc OHV engine, delivering enhanced power and reliability for tougher mowing jobs. This engine is known for its smooth start-up and consistent performance. In contrast, the PowerSmart 21" 2-in-1 Push Lawn Mower features a slightly less powerful 144cc engine, which still provides solid performance but may not handle larger, tougher lawns as effectively. The difference in engine size may appeal to users who prioritize performance and efficiency in their lawn care tasks.

Cutting Capabilities

When it comes to cutting capabilities, the PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower offers a versatile 3-in-1 function, allowing users to switch between bagging, mulching, and rear discharge. This versatility is ideal for those looking to maintain a healthy lawn through mulching or those who prefer the convenience of bagging grass clippings. On the other hand, the PowerSmart 21" 2-in-1 Push Lawn Mower provides a simpler 2-in-1 cutting design focused on mulching and rear bagging. For users who want more cutting options, the 3-in-1 model stands out as a more comprehensive solution.

Cutting Height Adjustment

Both mowers offer customizable cutting height options, allowing users to adjust between 1.5 inches and 3.9 inches. This feature is crucial for achieving the desired lawn aesthetics. The PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower provides a quick adjustment with a single lever, while the PowerSmart 21" 2-in-1 Push Lawn Mower also features a 6-position height adjustment, ensuring flexibility for different grass lengths. This means users can achieve the perfect lawn finish regardless of which model they choose.

Maneuverability and Design

Maneuverability is a significant factor in choosing a lawn mower. The PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower boasts a self-propelled design with large 10-inch rear wheels, making it easier to navigate slopes and uneven terrain. This feature is particularly beneficial for users with larger or more challenging lawns. In contrast, the PowerSmart 21" 2-in-1 Push Lawn Mower weighs only 62 lbs and is designed for easy maneuverability in smaller spaces. Its lightweight design makes it a great choice for users who prefer a more hands-on approach to mowing, especially in tighter areas.

Safety Features

Safety is paramount when operating lawn mowers. The PowerSmart 21" 2-in-1 Push Lawn Mower includes a start/stop control lever designed for immediate stopping in emergencies, enhancing user safety. While the PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower does not explicitly mention a comparable safety feature, its self-propelling nature may reduce the physical strain on the user, which can also contribute to a safer mowing experience. For safety-conscious consumers, the 2-in-1 model offers a clear advantage.

Pricing and Value

The PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower is priced at $297.49, while the PowerSmart 21" 2-in-1 Push Lawn Mower is available for $279.99. This makes the 2-in-1 model about $17 cheaper, representing a 6% difference in price. Considering the features offered, such as engine size, cutting capabilities, and safety features, potential buyers should weigh their specific needs against the price differences to determine the best value for their lawn care.

Which should you buy?

Choosing between the PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower and the PowerSmart 21" 2-in-1 Push Lawn Mower ultimately depends on your specific lawn care needs. If you require a more powerful engine and the versatility of bagging, mulching, and rear discharge, the 3-in-1 model is the better choice despite its higher price. However, if you have a smaller yard, prefer a lightweight design, and seek enhanced safety features, the 2-in-1 model provides excellent value for its lower price. Each mower has its strengths, making either a solid choice based on individual preferences.