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PowerSmart Self Propelled Gas Lawn Mower 21-inch vs WORX Nitro 21" Cordless Lawn Mower, Brushless

Updated July 2026 — PowerSmart Self Propelled Gas Lawn Mower 21-inch wins on price, WORX Nitro 21" Cordless Lawn Mower, Brushless wins on eco impact and maintenance.

The PowerSmart mower offers strong gas-powered performance at a lower price, while the WORX Nitro excels with advanced electric features, better ease of use, and eco-friendliness.

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

Lower Price

$339.99 vs $379.99

Lighter Weight

54 lbs vs heavier electric model

Stronger Engine

170cc gas engine vs electric motor

Why WORX Nitro 21" Cordless Lawn Mower, Brushless is better

Advanced Tech

Intellicut and Aerodeck vs none

Eco-Friendly

Electric, zero emissions vs gas emissions

Ease of Use

7-position lever & battery indicator vs simpler controls

Overall score

PowerSmart Self Propelled Gas Lawn Mower 21-inch
72
WORX Nitro 21" Cordless Lawn Mower, Brushless
85

Specifications

SpecPowerSmart Self Propelled Gas Lawn Mower 21-inchWORX Nitro 21" Cordless Lawn Mower, Brushless
Engine Type170cc Gas OHV 4-CycleBrushless Electric Motor
Cutting Width21 inches21 inches
Height Adjustment6 positions (1.5"-3.9")7 positions (1.5"-4")
Weight54 lbsHeavier (battery included)
Drive TypeRear-Wheel DrivePush (no drive)
Bag Capacity1.4 bushelsIncluded bag (capacity not specified)
Battery RuntimeN/AUp to 50 minutes
Storage DesignFoldable, saves 70% spaceFully collapsible handle

Dimension comparison

PowerSmart Self Propelled Gas Lawn Mower 21-inchWORX Nitro 21" Cordless Lawn Mower, Brushless

Overview of the Products

When comparing the PowerSmart Self Propelled Gas Lawn Mower and the WORX Nitro 21" Cordless Lawn Mower, it’s clear that these two mowers cater to different user needs. The PowerSmart mower is priced at $339.99 and is designed for those looking for a reliable gas-powered option, while the WORX mower comes in at $379.99, targeting users who prefer the convenience of a cordless electric model. Both have unique features that make them suitable for different mowing requirements.

Power and Performance

The PowerSmart mower is equipped with a 170cc OHV 4-cycle engine, delivering powerful performance ideal for small to medium-sized yards. It features a rear-wheel-drive system that provides excellent traction on slopes, making it suitable for uneven terrain. On the other hand, the WORX Nitro mower boasts a brushless motor that produces 40% more power than previous models, making it efficient for lawns up to half an acre. This motor is coupled with Intellicut Technology, which automatically adjusts the cutting speed based on grass density, enhancing both efficiency and battery life.

Cutting Versatility

In terms of cutting versatility, both mowers offer 3-in-1 functionality. The PowerSmart mower allows users to choose between mulching, side-discharge, or rear-bagging options, with a 1.4-bushel capacity bag that's easy to empty. This flexibility is perfect for users who want to manage grass clippings according to their lawn care preferences. Conversely, the WORX mower also provides mulching, bagging, and side-discharge capabilities, but it takes it a step further with its Aerodeck Technology. This design boosts air volume within the cutting deck, preventing clogs and ensuring a clean cut.

Ease of Use

Ease of use is a critical factor when considering lawn mowers. The PowerSmart mower is designed for straightforward operation, weighing in at 54 lbs, which makes it manageable for most users. Its foldable design allows for 70% space savings during storage, enhancing convenience. The WORX Nitro, while slightly heavier due to its battery components, features a fully collapsible handle for vertical storage and quick height adjustments with its single 7-position lever. Both mowers aim to simplify the mowing experience, but the WORX’s advanced features may add an extra layer of convenience for tech-savvy users.

Maintenance and Upkeep

Maintenance requirements can greatly influence the overall user experience. The PowerSmart mower, being gas-powered, may entail more upkeep, including fuel management and engine maintenance. However, its durable steel deck is built to last, ensuring longevity. In contrast, the WORX Nitro's electric design eliminates the need for fuel and reduces noise, making it easier to maintain. Users can swap out PowerShare batteries across multiple tools, adding further value and convenience. This aspect may appeal to those who prefer a low-maintenance option.

Storage and Portability

Storage and portability are essential for homeowners with limited space. The PowerSmart mower’s foldable design saves considerable space, making it easier to store in tight areas. On the flip side, the WORX Nitro’s collapsible handle allows for vertical storage, which is also a space-saver. Both models prioritize easy storage solutions, but the PowerSmart mower's overall lighter weight may offer an edge in maneuverability and transportability.

Environmental Impact

When considering environmental impact, the WORX Nitro takes the lead with its electric operation, producing no emissions during use. This makes it an appealing choice for environmentally conscious consumers looking to reduce their carbon footprint while maintaining their lawns. In contrast, the PowerSmart mower, as a gas-powered machine, emits gas and requires fuel, which can contribute to pollution. Those prioritizing a greener choice would likely veer towards the WORX model.

Price Comparison

The PowerSmart mower is priced at $339.99, making it about 17% cheaper than the WORX Nitro, which is available for $379.99. This price difference may influence budget-conscious buyers who are looking for a robust gas mower. However, the additional cost of the WORX Nitro could be justified by its advanced features, technology, and eco-friendliness. Ultimately, the choice may depend on how much users value these added benefits over the initial price.

Which should you buy?

Choosing between the PowerSmart Self Propelled Gas Lawn Mower and the WORX Nitro 21" Cordless Lawn Mower depends primarily on your specific lawn care needs and preferences. If you prefer a traditional gas mower with robust power and versatility at a lower price, the PowerSmart mower is a solid choice. However, if you prioritize eco-friendliness, advanced technology, and ease of maintenance, the WORX Nitro may be worth the extra investment. Each mower shines in its own right, catering to different types of users and lawn care philosophies.