PowerSmart Self Propelled Gas Lawn Mower 21-inch vs Westinghouse 16" 15-Amp 2-in-1 Electric Dethatcher
Updated July 2026 — PowerSmart Self Propelled Gas Lawn Mower 21-inch wins on power and weight, Westinghouse 16" 15-Amp 2-in-1 Electric Dethatcher wins on bag capacity.
The PowerSmart mower excels in mowing performance, while the Westinghouse dethatcher is ideal for lawn maintenance. Choose based on your primary lawn care needs.
Why PowerSmart Self Propelled Gas Lawn Mower 21-inch is better
Mowing Power
PowerSmart has a powerful gas engine for cutting grass.
Build Quality
PowerSmart features a durable steel deck.
Versatility
PowerSmart offers 3-in-1 mowing options.
Why Westinghouse 16" 15-Amp 2-in-1 Electric Dethatcher is better
Price
Westinghouse is significantly cheaper.
Weight
Westinghouse is lighter and easier to maneuver.
Maintenance
Westinghouse requires less maintenance.
Overall score
Specifications
| Spec | PowerSmart Self Propelled Gas Lawn Mower 21-inch | Westinghouse 16" 15-Amp 2-in-1 Electric Dethatcher |
|---|---|---|
| Engine Type | Gas | Electric |
| Cutting Options | 3-in-1 | 2-in-1 |
| Adjustable Height | 6 positions | 5 positions |
| RPM | N/A | 3500 |
| Warranty | N/A | 2 years |
Dimension comparison
Overview of PowerSmart and Westinghouse
PowerSmart's Self Propelled Gas Lawn Mower and Westinghouse's Electric Dethatcher provide distinct solutions for lawn care, with each designed to address specific needs. The PowerSmart mower, priced at $339.99, offers a gas-powered mowing experience, while the Westinghouse dethatcher, available for $159.99, focuses on aerating and dethatching lawns. The PowerSmart ranks 9,309 in sales, whereas the Westinghouse is slightly lower at 15,317, indicating varying levels of popularity and demand in the market.
Design and Build Quality
The design and build quality of both products cater to different user preferences. PowerSmart’s mower features a robust 21-inch steel deck, ensuring durability and effective cutting performance. Its foldable design makes it easier to store, saving up to 70% of storage space. In contrast, the Westinghouse dethatcher opts for a lighter build, weighing only 29.5 pounds with a 16-inch clearing path. This lightweight design allows for easy maneuverability, particularly for those who may struggle with heavier equipment. Each tool’s construction aligns with its intended use, highlighting a focus on functionality.
Performance and Power
When it comes to performance, the PowerSmart mower is equipped with a 170cc OHV 4-cycle engine, delivering reliable power for mowing tasks. It features a self-propelled rear-wheel-drive system that provides excellent traction, especially on slopes and uneven terrain. The Westinghouse dethatcher, on the other hand, boasts a powerful 15A electric motor capable of generating up to 3,500 RPM. This motor enables efficient dethatching and scarifying, making it suitable for lawn rejuvenation. While the mower excels in cutting grass, the dethatcher specializes in lawn maintenance, each showcasing unique performance strengths.
Versatility and Functionality
The versatility of each product reflects its design intentions. The PowerSmart mower offers a 3-in-1 functionality, allowing users to choose between mulching, side-discharge, or rear-bagging options. This adaptability is beneficial for varied lawn care needs. Conversely, the Westinghouse dethatcher serves a dual purpose, functioning as both a dethatcher and scarifier, with five adjustable height settings for customized raking depth. This means users can tailor their lawn care approach based on grass type and soil conditions, making it a versatile tool for lawn maintenance.
Ease of Use
In terms of ease of use, the PowerSmart mower is designed for straightforward operation. Its adjustable mowing height ranges from 1.5 to 3.9 inches, allowing for quick changes to suit different grass types. The mower's recoil starter and auto choke feature enhance user convenience during startup. The Westinghouse dethatcher also prioritizes user-friendliness with a detachable 14.5-gallon collection bag and a foldable handle for easy transport and storage. This aspect of design makes both products appealing to users looking for hassle-free lawn care solutions.
Maintenance and Care
Maintenance requirements differ significantly between the two products. Gas mowers like the PowerSmart require regular upkeep, including oil changes and spark plug replacements, to ensure optimal performance. On the other hand, the Westinghouse dethatcher offers a more manageable maintenance routine, with fewer components requiring attention. Its electric motor eliminates the need for fuel or oil, simplifying the upkeep process. For users who prefer a low-maintenance solution, the Westinghouse may be the more appealing choice.
Price Comparison
The price difference between the PowerSmart mower and the Westinghouse dethatcher is notable, with the mower costing $339.99 and the dethatcher priced at $159.99. This makes the Westinghouse about 53% cheaper than the PowerSmart product. However, the price reflects their differing functionalities; while the mower is designed for mowing tasks, the dethatcher focuses on aeration and lawn health. Potential buyers should consider their specific lawn care needs when evaluating price versus functionality.
Which should you buy?
Choosing between the PowerSmart Self Propelled Gas Lawn Mower and the Westinghouse Electric Dethatcher depends on your lawn care needs. If you require a powerful mower for regular grass cutting, the PowerSmart offers robust performance and versatility. However, if your primary goal is to improve lawn health through dethatching and aeration, the Westinghouse presents an efficient and cost-effective solution. Both products excel in their respective categories, making your final decision hinge on whether you prioritize mowing or lawn maintenance.

