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

Updated July 2026 — BILT HARD wins on bag capacity, WORX Nitro 21" Cordless Lawn Mower, Brushless wins on power and height.

The WORX Nitro 21" Cordless Lawn Mower offers advanced technology and multifunctionality, making it the better choice for larger lawns, while the BILT HARD dethatcher is more cost-effective for thatch removal.

Why BILT HARD is better

Price

BILT HARD is significantly cheaper at $169.99.

Dethatching

BILT HARD specializes in thatch removal.

Depth Adjustment

BILT HARD offers a 5-position depth adjustment.

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

Power

WORX has a brushless motor providing 40% more power.

Runtime

WORX offers longer runtime with dual batteries.

Versatility

WORX provides 3-in-1 functionality for mowing.

Overall score

BILT HARD
75
WORX Nitro 21" Cordless Lawn Mower, Brushless
88

Specifications

SpecBILT HARDWORX Nitro 21" Cordless Lawn Mower, Brushless
Motor TypeCopperBrushless
Height Adjustment5 Positions7 Positions
FunctionalityDethatching3-in-1
Sales Rank205454856
Price$169.99$379.99

Dimension comparison

BILT HARDWORX Nitro 21" Cordless Lawn Mower, Brushless

Overview of the Products

The BILT HARD 16 Inch Dethatcher Scarifier is priced at $169.99, while the WORX Nitro 21" Cordless Lawn Mower comes in at $379.99, making it about 124% more expensive. While both products are designed for lawn care, they serve distinctly different purposes. The dethatcher focuses on improving lawn health by removing thatch, while the cordless mower is tailored for cutting grass across larger areas. This fundamental difference in functionality is essential for potential buyers to consider based on their specific lawn maintenance needs.

Design and Build Quality

The BILT HARD dethatcher features a robust design with a powerful 15 Amp copper motor, capable of generating up to 3300 RPM. It boasts a dual design that includes both dethatching and scarifying functions, which enhances its versatility. In contrast, the WORX Nitro mower is built with advanced Aerodeck technology that optimizes airflow in the cutting deck for enhanced cut quality and efficiency. The mower's brushless motor provides 40% more power and boasts a longer runtime than previous models. The materials used in both products reflect a commitment to durability, with the mower's high-strength polymer deck designed to resist impact damage.

Functionality

The BILT HARD dethatcher is a 2-in-1 machine that allows users to switch between dethatching and scarifying effortlessly. Its 5-position depth adjustment enables tailored lawn maintenance, ranging from -0.47" to 0.24". Meanwhile, the WORX Nitro mower offers 3-in-1 functionality, enabling mulching, bagging, and side-discharging. It features a single-lever height adjustment with 7 different positions, allowing for cutting heights between 1.5" and 4". This flexibility makes it suitable for various lawn types, while the dethatcher focuses primarily on thatch removal.

Performance

With a sales rank of 20,545, the BILT HARD dethatcher is designed to enhance lawn health by efficiently removing dead plant material. Its powerful motor and dual functionality make it an effective tool for aerating soil and promoting nutrient absorption. On the other hand, the WORX Nitro mower has a much higher sales rank of 4,856, indicating strong market performance. The mower’s brushless motor and Intellicut technology ensure it can handle thick grass while conserving battery life, making it ideal for lawns up to 1/2 acre.

Convenience and Usability

The BILT HARD dethatcher features a 14.5-gallon removable grass bag and flat-free wheels for easy maneuverability, making lawn maintenance a less cumbersome task. Its tool-free quick-lock knob and foldable handle rod contribute to a user-friendly experience. Conversely, the WORX Nitro mower is equipped with a fully collapsible handle for convenient storage and an onboard charge-level indicator for monitoring battery life. The inclusion of two 20V 5.0Ah batteries and a charger further enhances its usability, allowing for uninterrupted mowing sessions.

Maintenance and Care

The maintenance requirements for both products differ significantly due to their distinct functions. The BILT HARD dethatcher requires users to mow their lawns before operation for optimal performance. Its components may need periodic checks to ensure the motor and blades are functioning correctly. On the other hand, the WORX Nitro mower’s brushless motor is designed for longevity with less maintenance compared to traditional gas mowers. Its compatibility with the PowerShare platform allows users to utilize the same batteries across various tools, streamlining the maintenance process.

Price Comparison

The BILT HARD dethatcher is priced at $169.99, while the WORX Nitro mower is at $379.99, making the mower approximately 124% more expensive. While the dethatcher provides a cost-effective solution for enhancing lawn health, the mower’s higher price reflects its advanced technology and multifunctionality. Buyers should evaluate their budget against the specific features and capabilities required for their lawn care needs.

Which should you buy?

Choosing between the BILT HARD 16 Inch Dethatcher Scarifier and the WORX Nitro 21" Cordless Lawn Mower ultimately depends on your specific lawn care needs. If your primary goal is to improve lawn health through thatch removal, the dethatcher offers a versatile and cost-effective solution. However, if you need a reliable, powerful mower for larger areas with the ability to mulch and bag grass clippings, the WORX Nitro is a superior choice despite its higher price. Consider your lawn's requirements and your budget to make the most informed decision.