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PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn vs Scotts 18-Inch 7-Blade Push Manual Reel Lawn Mower

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

The PowerSmart mower offers more power and versatility, making it suitable for larger yards, while the Scotts mower is a budget-friendly, eco-conscious choice for smaller lawns.

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

Cutting Width

PowerSmart has a 21-inch cutting width compared to Scotts' 18-inch.

Power

PowerSmart features a 170cc OHV engine for tougher mowing jobs.

Functionality

PowerSmart offers a 3-in-1 function for bagging, mulching, and rear discharge.

Why Scotts 18-Inch 7-Blade Push Manual Reel Lawn Mower is better

Price

Scotts is priced at $149.99, making it more affordable.

Maintenance

Scotts requires less maintenance due to its manual operation.

Eco-Friendliness

Scotts operates without gas, making it more environmentally friendly.

Overall score

PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn
85
Scotts 18-Inch 7-Blade Push Manual Reel Lawn Mower
65

Specifications

SpecPowerSmart 21-Inch 3-in-1 Gas Self-Propelled LawnScotts 18-Inch 7-Blade Push Manual Reel Lawn Mower
Power SourceGasManual
Cutting Options3-in-1Fixed
ManeuverabilitySelf-PropelledPush
DurabilitySteel DeckAlloy Steel
Noise LevelHigherLower

Dimension comparison

PowerSmart 21-Inch 3-in-1 Gas Self-Propelled LawnScotts 18-Inch 7-Blade Push Manual Reel Lawn Mower

Overview of the Products

When comparing the PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower to the Scotts 18-Inch 7-Blade Push Manual Reel Lawn Mower, the first notable difference is their price and intended use. The PowerSmart mower is priced at $297.49, while the Scotts mower is significantly cheaper at $149.99, making it about 49% less expensive. This price difference reflects their functionalities and target users. The PowerSmart model is designed for those looking for a gas-powered, self-propelled solution ideal for larger yards, while the Scotts manual mower appeals to eco-conscious users seeking a quieter, more traditional mowing experience.

Power and Performance

The PowerSmart lawn mower boasts a powerful 170cc OHV engine, providing reliable performance and the capability to handle tough mowing jobs. In contrast, the Scotts mower relies on manual propulsion, which requires physical effort but offers a quieter operation. The PowerSmart has a 21-inch cutting width compared to the 18-inch width of the Scotts, allowing for more efficient mowing in larger areas. This difference in power and cutting capability illustrates the PowerSmart's suitability for medium to large yards, while the Scotts mower is more appropriate for smaller, well-manicured lawns.

Cutting Efficiency

Cutting efficiency is another critical factor where these two mowers diverge. The PowerSmart offers a 3-in-1 function, allowing users to bag, mulch, or rear discharge grass clippings, providing versatility for different lawn care needs. It also features a six-position height adjustment, enabling users to set the cutting height between 1.5 inches and 3.9 inches. On the other hand, the Scotts mower has a fixed cutting height that ranges from 1 inch to 3 inches, which may limit its adaptability to varying grass lengths. The 7-blade system in the Scotts mower promotes a clean cut, but the PowerSmart's engine and cutting options provide a broader range of mowing capabilities.

Ease of Use and Maneuverability

The PowerSmart lawn mower is self-propelled, making it easier to maneuver, especially on slopes or uneven terrain, thanks to its rear-wheel drive and 10-inch large rear wheels. This design feature is particularly beneficial for users who may struggle with pushing a manual mower. In contrast, the Scotts mower is lightweight and designed for easy operation, but it requires physical effort to push. While the Scotts mower is simple to assemble and maneuverable in tight spaces, the PowerSmart mower's self-propelled function may be a significant advantage for larger yards.

Build Quality and Durability

Both mowers are built with durability in mind, but they cater to different user needs. The PowerSmart features a robust steel deck designed to withstand the rigors of regular use, particularly in tougher mowing conditions. Its overall construction promises longevity and consistent performance. The Scotts mower, while still well-made, utilizes quality, heat-treated alloy steel for its blades, which helps maintain sharpness over time. However, its manual operation might not appeal to those looking for a more rugged solution for diverse mowing conditions.

Environmental Impact

From an environmental standpoint, the Scotts mower stands out as a more eco-friendly option since it operates without gas or electricity. Users can enjoy a quieter mowing experience, which contributes to less noise pollution. The manual reel design helps maintain healthy grass, cutting without shredding, which can be beneficial for lawn health. Conversely, the PowerSmart mower, while efficient, does rely on gasoline, which has a more significant environmental impact. For eco-conscious consumers, this distinction could be a deciding factor.

Maintenance and Care

Maintenance requirements differ significantly between the two models. The PowerSmart mower may require more upkeep due to its gas engine, including oil changes and spark plug replacements. Regular maintenance ensures its long-term performance and reliability. The Scotts mower, being manual, requires less maintenance but does need periodic sharpening of its blades to maintain cutting efficiency. Users looking for a low-maintenance option might prefer the simplicity of the manual reel mower.

Which should you buy?

Ultimately, the decision between the PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower and the Scotts 18-Inch 7-Blade Push Manual Reel Lawn Mower hinges on individual needs and preferences. If you're looking for power, versatility, and efficiency in larger yards, the PowerSmart mower is an excellent choice despite its higher price. However, if you prioritize a budget-friendly, eco-conscious option for smaller lawns, the Scotts mower offers a compelling alternative at about 49% less cost.