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BILT HARD vs WORX Nitro 21" Cordless Lawn Mower, Brushless

Updated July 2026 — BILT HARD wins on sales rank and torque, WORX Nitro 21" Cordless Lawn Mower, Brushless wins on price and runtime.

The WORX Nitro offers advanced features and convenience, while the BILT HARD provides reliable gas-powered performance at a lower price.

Why BILT HARD is better

Price

BILT HARD is $20 cheaper than WORX Nitro.

Torque

BILT HARD has a torque of 9.0 ft.lb.

Simplicity

BILT HARD has a straightforward design for effective mowing.

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

Technology

WORX Nitro features Aerodeck and Intellicut technologies.

Runtime

WORX Nitro has longer runtime with 2 batteries.

Noise

WORX Nitro operates quieter than gas mowers.

Overall score

BILT HARD
75
WORX Nitro 21" Cordless Lawn Mower, Brushless
85

Specifications

SpecBILT HARDWORX Nitro 21" Cordless Lawn Mower, Brushless
Engine TypeGasElectric
Cutting Width21 inches21 inches
Height Adjustment8 Positions7 Positions
Functionality3-in-13-in-1
WheelsBall-bearingStandard

Dimension comparison

BILT HARDWORX Nitro 21" Cordless Lawn Mower, Brushless

Overview of the BILT HARD 21 Inch Lawn Mower

The BILT HARD 21 Inch Lawn Mower is a gas-powered machine that combines power and efficiency with a competitive price of $359.99. Featuring a robust 201cc 4-stroke OHV engine, it delivers a torque of 9.0 ft.lb, ensuring reliable performance across various lawn conditions. Its 3-in-1 functionality allows for bagging, mulching, and side discharge, making it a versatile option for homeowners. The mower's adjustable cutting height ranges from 1.2 inches to 3.75 inches, providing flexibility to match individual lawn needs. With a sales rank of 23,345, it offers a compelling choice for those preferring traditional gas mowers.

Overview of the WORX Nitro 21" Cordless Lawn Mower

The WORX Nitro 21" Cordless Lawn Mower is a brushless electric mower priced at $379.99, making it about 6% more expensive than the BILT HARD model. Designed for lawns up to 1/2 acre, it comes with two 20V 5.0Ah batteries that enhance its runtime and power efficiency. The mower features advanced technologies like Aerodeck and Intellicut, which optimize cut quality and battery use, respectively. Its cutting height can be adjusted between 1.5 inches and 4 inches across seven settings. With a sales rank of 4,856, this model is positioned as a strong contender in the cordless segment, appealing to eco-conscious consumers.

Power and Performance Comparison

In terms of power, the BILT HARD mower relies on a traditional gas engine, which offers a torque advantage of 9.0 ft.lb. This capability makes it suitable for tougher mowing tasks and dense grass. Conversely, the WORX Nitro features a brushless motor that delivers 40% more power and 10% longer runtime than its previous generation, making it efficient for routine mowing. While the BILT HARD can start easily with a single pull, the WORX mower benefits from its cordless design, offering a quieter operation without the emissions associated with gas mowers. Ultimately, the choice between gas and cordless comes down to individual preferences for power versus convenience.

Versatility and Functionality

Both the BILT HARD and WORX Nitro mowers provide 3-in-1 functionalities, allowing for mulching, bagging, and side discharge. The BILT HARD's steel deck is designed for durability and efficient operation, while the WORX Nitro’s Aerodeck technology enhances air volume in the cutting deck, improving cut quality and reducing clumping. The WORX model also offers a collapsible handle for easy storage, whereas the BILT HARD focuses on a straightforward design for effective mowing. Each mower’s versatility aligns well with various lawn care needs, though the advanced features of the WORX might appeal more to tech-savvy users.

Cutting Height Adjustments

The BILT HARD mower features a single lever four-wheel synchronized height adjustment that allows you to set the cutting height from 1.2 inches to 3.75 inches. This range provides a fair amount of flexibility for different grass types and lawn conditions. On the other hand, the WORX Nitro allows for a more extensive height adjustment, ranging from 1.5 inches to 4 inches across seven positions. This additional adjustment capability can be beneficial for users with diverse lawn areas requiring different mowing heights. Both models facilitate customization, but the WORX offers a slight edge with its more varied height settings.

Comfort and Usability

User comfort is an essential factor in lawn care equipment. The BILT HARD mower is equipped with dual ball-bearing wheels that enhance movement, along with a foam-wrapped angled grip to minimize hand fatigue during operation. In contrast, the WORX Nitro's design incorporates a fully collapsible handle for convenient storage and an onboard charge-level indicator for easy battery monitoring. The WORX also provides a quieter operation compared to the gas-powered BILT HARD, making it a more enjoyable option for those who prefer a less noisy mowing experience. Each model has its strengths, targeting different user preferences regarding comfort and ease of use.

Maintenance and Longevity

Gas mowers like the BILT HARD typically require more maintenance compared to their electric counterparts. The BILT HARD’s engine needs regular oil changes and maintenance checks to ensure optimal performance. Meanwhile, the WORX Nitro’s brushless motor is designed for longevity, offering 40% more power and a longer runtime compared to standard motors. It also eliminates the hassle of fuel and oil changes, making it a low-maintenance alternative. For users looking for ease and efficiency in upkeep, the WORX Nitro stands out as a more manageable choice in the long run.

Which should you buy?

Choosing between the BILT HARD 21 Inch Lawn Mower and the WORX Nitro 21" Cordless Lawn Mower depends on your personal preferences and lawn care needs. The BILT HARD, priced at $359.99, is slightly cheaper and offers reliable gas-powered performance, making it suitable for tougher mowing tasks. Conversely, the WORX Nitro, at $379.99, provides advanced features like Aerodeck technology and longer battery runtime, making it ideal for users seeking convenience and eco-friendliness. If you prioritize versatility and ease of maintenance, the WORX Nitro may be worth the additional cost. However, if you prefer a more traditional mower with powerful performance at a lower price, the BILT HARD is an excellent choice.