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PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn vs Sun Joe Corded Electric Dethatcher & Scarifier

Updated July 2026 — PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn wins on engine size and power, Sun Joe Corded Electric Dethatcher & Scarifier wins on bag capacity.

The PowerSmart mower excels in mowing capabilities and versatility, while the Sun Joe dethatcher focuses on lawn health at a lower price. Choose based on your specific lawn care needs.

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

Cutting Width

PowerSmart has a 21-inch cutting width compared to Sun Joe's 12.6 inches.

Engine Power

PowerSmart features a 170cc OHV engine for robust performance.

Versatility

PowerSmart offers 3-in-1 functionality for mowing options.

Why Sun Joe Corded Electric Dethatcher & Scarifier is better

Price

Sun Joe is priced at $139.99, making it more affordable.

Bestseller Rank

Sun Joe ranks higher at 1870 compared to PowerSmart's 7264.

Weight

Sun Joe is lighter and easier to handle.

Overall score

PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn
85
Sun Joe Corded Electric Dethatcher & Scarifier
72

Specifications

SpecPowerSmart 21-Inch 3-in-1 Gas Self-Propelled LawnSun Joe Corded Electric Dethatcher & Scarifier
TypeGas MowerElectric Dethatcher
Power SourceGasElectric
Functionality3-in-1Dethatcher
Height Settings6 Positions5 Positions
Price$297.49$139.99

Dimension comparison

PowerSmart 21-Inch 3-in-1 Gas Self-Propelled LawnSun Joe Corded Electric Dethatcher & Scarifier

Overview of the Products

In the realm of lawn maintenance, the PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower and the Sun Joe Corded Electric Dethatcher & Scarifier are two distinct tools designed for different purposes. The PowerSmart mower, priced at $297.49, is ideal for mowing larger areas, while the Sun Joe dethatcher, at $139.99, focuses on lawn health by removing thatch. Understanding their functionalities is essential for choosing the right equipment for your yard care.

Power and Performance

The PowerSmart mower is equipped with a robust 170cc OHV engine, providing reliable power and performance for tackling tough mowing jobs. This engine ensures smooth starts and consistent operation, making it a strong choice for medium to large yards. In contrast, the Sun Joe dethatcher features a 12-amp motor that powers its 12.6-inch cutting width. While the mower excels in cutting grass, the dethatcher focuses on enhancing lawn health by aerating and scarifying the soil, which can ultimately lead to a thicker, greener lawn.

Cutting Capabilities

When comparing cutting capabilities, the PowerSmart mower stands out with its 21-inch cutting width, allowing for efficient mowing across larger areas. This feature is complemented by a 6-position height adjustment, enabling users to customize their cutting height from 1.5 inches to 3.9 inches. On the other hand, the Sun Joe dethatcher, with a narrower 12.6-inch path, is designed for targeted dethatching and scarifying. While it doesn't cut grass, its ability to aerate the soil is invaluable for lawn care, demonstrating that each tool serves a unique function.

Versatility

The versatility of the PowerSmart mower is highlighted by its 3-in-1 functionality, allowing users to switch between bagging, mulching, and rear discharge modes. This adaptability makes it suitable for various mowing preferences and lawn care strategies. The Sun Joe dethatcher, while not as multifunctional, offers customizable depth control with 5-position height settings, allowing users to adjust the dethatching depth based on their lawn's needs. Each product caters to specific outdoor tasks, emphasizing the importance of selecting the right tool for the job.

Ease of Use

For ease of use, the PowerSmart mower features a self-propelled design with large rear wheels, enhancing maneuverability, especially on slopes or uneven terrain. This design is particularly beneficial for users who may struggle with pushing a traditional mower. Conversely, the Sun Joe dethatcher is lightweight and equipped with a detachable 8-gallon collection bag, which simplifies the cleanup process. While both tools offer user-friendly features, the PowerSmart's self-propulsion may provide a more comfortable mowing experience.

Maintenance and Durability

The PowerSmart mower is built with a durable steel deck, ensuring longevity even with regular use. Its engine is designed for long-term durability, making it a solid investment for those with larger lawns. The Sun Joe dethatcher, while also designed for durability, relies on electric power, which may limit its use to areas with access to electrical outlets. However, its lightweight construction and easy-to-clean design make it a convenient option for those who prioritize straightforward maintenance.

Price Comparison

The PowerSmart mower is priced at $297.49, whereas the Sun Joe dethatcher is more budget-friendly at $139.99. This difference makes the dethatcher about 53% cheaper than the mower, which may appeal to those looking to maintain their lawn without a significant financial commitment. However, potential buyers should consider the different functions of these tools when assessing their value. The investment in the PowerSmart mower may be justified for those requiring a reliable mower for larger areas.

Bestsellers and Popularity

In terms of popularity, the Sun Joe dethatcher ranks higher on bestseller lists, coming in at position 1870 compared to the PowerSmart mower’s rank of 7264. This indicates that more users are currently opting for the dethatcher, possibly due to its affordability and the growing trend of lawn care focused on health and maintenance. However, the lower rank of the PowerSmart mower does not necessarily reflect its performance; it may simply cater to a different segment of the market.

Which should you buy?

Choosing between the PowerSmart 21-Inch 3-in-1 Gas Self-Propelled Lawn Mower and the Sun Joe Corded Electric Dethatcher & Scarifier ultimately depends on your lawn care needs. If you require a powerful mower for larger areas and value versatility in mowing options, the PowerSmart mower is the better choice despite its higher price. However, if you are focused on enhancing your lawn's health through aeration and dethatching, the budget-friendly Sun Joe dethatcher will serve you well. Consider your lawn size, maintenance preferences, and budget to make the best decision for your outdoor space.