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PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc vs WORX Nitro 21" Cordless Lawn Mower, Brushless

Updated July 2026 — PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc wins on power, WORX Nitro 21" Cordless Lawn Mower, Brushless wins on price and runtime.

The PowerSmart mower is a budget-friendly option with reliable performance, while the WORX Nitro offers advanced technology and features for larger lawns.

Why PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc is better

Price

PowerSmart is $100 cheaper than WORX Nitro.

Weight

PowerSmart is lighter at 62 lbs.

Simplicity

PowerSmart has straightforward operation with a gas engine.

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

Power

WORX Nitro has a brushless motor delivering 40% more power.

Runtime

WORX Nitro can mow for up to 50 minutes on battery.

Technology

WORX Nitro features Aerodeck and Intellicut technologies.

Overall score

PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc
75
WORX Nitro 21" Cordless Lawn Mower, Brushless
85

Specifications

SpecPowerSmart 21" 2-in-1 Push Lawn Mower, 144ccWORX Nitro 21" Cordless Lawn Mower, Brushless
Engine TypeGasElectric
Cutting Width21"21"
Height Adjustment6 positions7 positions
Safety FeaturesStart/Stop LeverNone
Battery IncludedNoYes

Dimension comparison

PowerSmart 21" 2-in-1 Push Lawn Mower, 144ccWORX Nitro 21" Cordless Lawn Mower, Brushless

Price Comparison

When it comes to pricing, the PowerSmart 21" 2-in-1 Push Lawn Mower is about 26% cheaper than the WORX Nitro 21" Cordless Lawn Mower. Priced at $279.99, the PowerSmart model offers a cost-effective option for those looking to maintain their lawns without breaking the bank. In contrast, the WORX Nitro comes in at $379.99, making it a more premium choice. This price difference may be a significant factor for budget-conscious consumers, especially since both mowers offer distinct advantages in performance and features.

Engine and Power Source

The PowerSmart mower features a powerful 144cc engine, which provides reliable performance and efficiency for cutting grass. Its 4-stroke OHV engine ensures a clean and efficient cut, making it suitable for small to medium-sized yards. On the other hand, the WORX Nitro operates on a brushless motor, which is designed to deliver 40% more power and 10% longer runtime compared to previous generations. This makes it ideal for lawns up to ½ acre, showcasing the difference in power sources between the two mowers. The choice between gas and electric is crucial, as it affects maintenance and the environmental impact of lawn care.

Cutting Capabilities

In terms of cutting capabilities, both mowers offer versatile options, but they cater to different needs. The PowerSmart mower has a 2-in-1 cutting design that supports both mulching and bagging, allowing users to choose how they want to manage grass clippings. It also features six cutting height adjustments ranging from 1.5 to 3.9 inches, providing a customizable mowing experience. Conversely, the WORX Nitro boasts a 3-in-1 functionality that includes mulching, bagging, and rear side-discharging, with seven height positions ranging from 1.5 to 4 inches. This added versatility may appeal to users who want more options for lawn care, although it comes at a higher price.

Maneuverability and Weight

The PowerSmart mower weighs in at a lightweight 62 lbs, allowing for easy maneuverability around the yard, especially in tight spaces. This feature is particularly beneficial for those with smaller gardens or intricate landscaping. In comparison, the WORX Nitro, while not specified, is designed with ergonomics in mind, featuring a fully collapsible handle for easy storage. However, the weight of this electric model is not mentioned, which could impact its maneuverability. Users may favor the PowerSmart for its proven lightweight design, especially when navigating tricky areas in their lawn.

Technology and Features

The WORX Nitro is equipped with advanced technologies such as Aerodeck and Intellicut, which enhance cut quality and efficiency. Aerodeck technology increases airflow within the cutting deck, preventing clogs and improving bag collection. Meanwhile, Intellicut technology automatically adjusts cutting speed based on grass density, conserving battery life when possible. The PowerSmart mower, while lacking these advanced features, still provides essential safety with a start/stop control lever, ensuring user protection during operation. The technological differences highlight the WORX Nitro's edge in innovation, albeit at a higher price point.

Battery Life and Runtime

For users considering battery-operated options, the WORX Nitro comes with two 20V 5.0Ah batteries that provide a maximum runtime of 50 minutes. This is suitable for mowing lawns up to ½ acre without the hassle of refueling. Conversely, the PowerSmart mower operates on a gas engine, which offers the advantage of unlimited runtime as long as fuel is available. This fundamental difference between gas and battery power can significantly influence the user's mowing experience, particularly regarding convenience and overall usability.

Maintenance and Upkeep

Maintenance can be a deciding factor for many consumers. The PowerSmart mower, with its gas engine, may require regular oil changes and engine upkeep, which can be seen as a disadvantage compared to the WORX Nitro's electric setup. The WORX Nitro, being cordless, typically involves less maintenance, as it eliminates the need for fuel and associated upkeep. However, it does require battery charging, which can be an inconvenience if not managed properly. Thus, depending on the user's preference for maintenance intensity, one model may be more appealing than the other.

Which should you buy?

In conclusion, the choice between the PowerSmart 21" 2-in-1 Push Lawn Mower and the WORX Nitro 21" Cordless Lawn Mower largely depends on individual needs and budget. The PowerSmart mower is a more affordable option that provides reliable performance for smaller yards, while the WORX Nitro offers advanced technology and features that justify its higher price, especially for larger lawns. If budget constraints are a priority, the PowerSmart is an excellent choice. However, for those seeking cutting-edge technology and convenience, the WORX Nitro may be worth the investment.