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MZK 40V 16" Electric Lawn Mower, 2-in-1 Brushless vs WORX Nitro 21" Cordless Lawn Mower, Electric Mower

Updated July 2026 — WORX Nitro 21" Cordless Lawn Mower, Electric Mower leads on weight and cut width.

The WORX Nitro offers more power and advanced features, making it better for larger lawns, while the MZK is a solid choice for smaller spaces at a lower price.

Why MZK 40V 16" Electric Lawn Mower, 2-in-1 Brushless is better

Price

MZK is $100 cheaper than WORX

Weight

MZK is lighter, making it easier to maneuver

Simplicity

MZK has straightforward assembly and operation

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

Power

WORX has a more powerful motor

Runtime

WORX offers 50 minutes of runtime compared to MZK's 45 minutes

Features

WORX includes advanced Aerodeck technology for better cut quality

Overall score

MZK 40V 16" Electric Lawn Mower, 2-in-1 Brushless
75
WORX Nitro 21" Cordless Lawn Mower, Electric Mower
85

Specifications

SpecMZK 40V 16" Electric Lawn Mower, 2-in-1 BrushlessWORX Nitro 21" Cordless Lawn Mower, Electric Mower
Motor TypeBrushlessBrushless 2.0
Self-PropelledNoYes
Cutting Modes2-in-13-in-1
StorageStandardCollapsible
Batteries Included22

Dimension comparison

MZK 40V 16" Electric Lawn Mower, 2-in-1 BrushlessWORX Nitro 21" Cordless Lawn Mower, Electric Mower

Design and Build Quality

The MZK 40V 16" Electric Lawn Mower is compact and lightweight, making it ideal for small to medium-sized lawns. In contrast, the WORX Nitro 21" Cordless Lawn Mower is designed for larger spaces, with a robust build that accommodates lawns up to ½ acre. The MZK model features a 16-inch cutting width, while the WORX boasts a wider 21-inch cutting width, allowing it to cover more ground in a single pass. Both mowers have been engineered for durability, with the WORX model using high-strength polymer to resist impact damage and corrosion. This gives it a slight edge in longevity, making it suitable for more demanding mowing tasks.

Performance and Power

When it comes to performance, the MZK 40V mower is equipped with a high-efficiency brushless motor that operates at up to 3400 RPM. This ensures strong cutting performance while minimizing wear over time. The WORX Nitro, on the other hand, utilizes a next-generation brushless motor that delivers 40% more power and 10% longer runtime than previous models. Both mowers come with dual batteries, but the WORX's 5.0Ah batteries provide a max runtime of 50 minutes, compared to the MZK’s 45 minutes with its 4.0Ah batteries. If you prioritize raw power and extended runtime, the WORX Nitro is the better choice.

Cutting and Mowing Features

The cutting features of both mowers cater to different user preferences. The MZK mower offers 5-position cutting height adjustments, ranging from 1.4 to 3 inches, giving users flexibility in their mowing height. It also supports 2-in-1 mowing modes for mulching or rear bagging, making it versatile for various lawn care needs. Meanwhile, the WORX Nitro features 7 height positions from 1.5 to 4 inches and introduces Aerodeck technology, which enhances air volume in the cutting deck for fewer clogs and improved cut quality. This technology, combined with its 3-in-1 functionality for mulching, bagging, and rear side-discharging, makes the WORX a more advanced option for intricate lawn care.

Ease of Use

Ease of use is a critical factor in any lawn mower. The MZK 40V is designed for straightforward operation, featuring a simple assembly and a dual-battery system that allows for quick swaps to reduce downtime. The WORX Nitro enhances user comfort with its self-propelled feature and variable speed settings, allowing users to set their preferred speed up to 3.7 MPH. This makes mowing on inclines significantly easier. Additionally, the WORX has a fully collapsible handle for space-saving storage, which adds to its overall convenience. For users looking for an effortless mowing experience, the WORX Nitro stands out.

Battery Life and Charging

Battery life is crucial for cordless lawn mowers, and both models come with dual batteries. The MZK 40V includes two 4.0Ah batteries that provide about 45 minutes of runtime. The WORX Nitro, however, includes two 5.0Ah PowerShare Pro batteries, offering a runtime of up to 50 minutes, which is a notable advantage for larger lawns. Both models come with chargers, but the WORX’s batteries are also compatible with over 140 other WORX tools, adding to its versatility. If you prioritize battery life and cross-compatibility with other tools, the WORX Nitro takes the lead.

Price Comparison

The MZK 40V 16" Electric Lawn Mower is priced at $259.99, making it about 17% cheaper than the WORX Nitro, which retails for $359.99. While the MZK offers excellent value for smaller lawns, the additional features and capabilities of the WORX may justify its higher price for those with larger areas to maintain. If budget is a primary concern, the MZK provides a solid option without sacrificing essential functionality.

Sales Rank and Market Position

In terms of market performance, the MZK 40V has a bestseller rank of 3291, indicating its popularity among consumers. The WORX Nitro, with a slightly lower bestseller rank of 4191, still holds a strong position but doesn’t quite match the sales velocity of the MZK. This suggests that while the WORX offers advanced features, the MZK may appeal more to those seeking a reliable and cost-effective option for their lawn care needs.

Which should you buy?

Choosing between the MZK 40V 16" Electric Lawn Mower and the WORX Nitro 21" Cordless Lawn Mower ultimately depends on your specific lawn care requirements. If you have a smaller lawn and are looking for an affordable, easy-to-use mower, the MZK is a fantastic choice at $259.99. However, for those with larger lawns who desire advanced features, enhanced power, and convenience, the WORX Nitro, priced at $359.99, is worth the investment. Consider your lawn size, preferred features, and budget to make the best decision for your mowing needs.