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PowerSmart Self Propelled Gas Lawn Mower 21-inch vs Sun Joe Corded Electric Dethatcher & Scarifier

Updated July 2026 — PowerSmart Self Propelled Gas Lawn Mower 21-inch wins on engine size and storage space, Sun Joe Corded Electric Dethatcher & Scarifier wins on bag capacity.

The PowerSmart mower is a robust choice for mowing, while the Sun Joe excels in lawn care through dethatching. Choose based on your specific lawn needs.

Why PowerSmart Self Propelled Gas Lawn Mower 21-inch is better

Power

170cc engine provides superior cutting power.

Versatility

3-in-1 mowing options for different needs.

Build Quality

Durable steel deck for longevity.

Why Sun Joe Corded Electric Dethatcher & Scarifier is better

Price

More affordable at $139.99.

Weight

Lighter and easier to handle.

Specialization

Effective for lawn aeration and thatch removal.

Overall score

PowerSmart Self Propelled Gas Lawn Mower 21-inch
85
Sun Joe Corded Electric Dethatcher & Scarifier
75

Specifications

SpecPowerSmart Self Propelled Gas Lawn Mower 21-inchSun Joe Corded Electric Dethatcher & Scarifier
Power SourceGasElectric
Motor Power170cc12 Amp
Drive TypeSelf-PropelledManual
Cutting Options3-in-11
Collection BagYesYes

Dimension comparison

PowerSmart Self Propelled Gas Lawn Mower 21-inchSun Joe Corded Electric Dethatcher & Scarifier

Overview of the Products

The PowerSmart Self Propelled Gas Lawn Mower and the Sun Joe Corded Electric Dethatcher & Scarifier serve different purposes in lawn care, with distinct features and capabilities. The PowerSmart mower is designed primarily for mowing lawns, while the Sun Joe model focuses on dethatching and scarifying, making it a specialized tool for lawn maintenance. Understanding these differences is essential for choosing the right tool for your outdoor needs.

Price Comparison

The PowerSmart Self Propelled Gas Lawn Mower is priced at $339.99, while the Sun Joe Corded Electric Dethatcher & Scarifier is significantly cheaper at $139.99, making it about 59% less expensive. This price difference reflects the distinct functionalities of the two products; the PowerSmart mower is a complete mowing solution, whereas the Sun Joe is a more specialized tool designed for lawn rejuvenation. For budget-conscious consumers, the Sun Joe offers a compelling option, especially for those who may not require a full lawn mower.

Performance and Power

In terms of performance, the PowerSmart mower is powered by a robust 170cc OHV 4-cycle engine, providing efficient cutting power for various lawn types. The Sun Joe, on the other hand, features a 12-amp motor, which is suitable for its task of dethatching and scarifying. While the PowerSmart's engine allows it to tackle heavy grass and uneven terrain with a self-propelled system, the Sun Joe excels in enhancing lawn health through aeration and debris removal. Each product's power is tailored to its specific function, ensuring optimal performance in its respective area.

Cutting and Handling

The PowerSmart mower boasts a 21-inch steel deck that allows for a wide cutting path, making it ideal for larger areas. It also features a rear-wheel-drive system that aids in navigating slopes and uneven ground, enhancing user experience. Conversely, the Sun Joe has a narrower 12.6-inch cutting width, which focuses on precision rather than speed. While the mower is designed for expansive coverage, the dethatcher's size is sufficient for detailed lawn care tasks. Users should consider their lawn size and the type of care required when selecting between these two options.

Versatility and Features

The PowerSmart mower offers 3-in-1 versatility, allowing users to choose between mulching, side discharge, or rear-bagging options. This feature is beneficial for different lawn care preferences and conditions, adapting to the specific needs of the user. The Sun Joe, in contrast, is equipped with customizable depth control and air boost technology, allowing it to tackle thatch effectively. While the PowerSmart focuses on mowing versatility, the Sun Joe prioritizes lawn health through aeration. Both products present unique features that cater to different aspects of lawn maintenance.

Ease of Use and Storage

The PowerSmart mower is designed with user convenience in mind, featuring a foldable design that saves 70% storage space. This is particularly beneficial for homeowners with limited storage options. Additionally, its self-propelled system simplifies the mowing process, making it easier for users to navigate their lawns. The Sun Joe also offers ease of use with its detachable 8-gallon collection bag, simplifying the cleanup process after dethatching. While both products are user-friendly, the PowerSmart may appeal more to those looking for a comprehensive mowing solution.

Customer Reception

The PowerSmart mower has a sales rank of 9309, indicating a decent level of interest among consumers, while the Sun Joe has a higher sales rank of 1870, suggesting it is a more popular choice within its category. This higher ranking may reflect the Sun Joe's effectiveness as a dethatching tool and its affordability, making it more appealing to a broader audience. Customer reception can often indicate the reliability and performance of a product, making the Sun Joe a noteworthy contender in this comparison.

Which should you buy?

Choosing between the PowerSmart Self Propelled Gas Lawn Mower and the Sun Joe Corded Electric Dethatcher & Scarifier ultimately depends on your specific lawn care needs. If you're looking for a versatile and powerful mower for larger lawns, the PowerSmart is the clear choice with its robust engine and multiple cutting options. However, if your focus is on maintaining a healthy lawn through dethatching and scarifying, the Sun Joe offers a more budget-friendly and efficient solution. Consider your lawn's size, the level of care required, and your budget to make an informed decision.