MZK 20V 13" Electric Lawn Mower, Brushless vs WORX Nitro 21" Cordless Lawn Mower, Brushless
Updated July 2026 — WORX Nitro 21" Cordless Lawn Mower, Brushless leads on price and runtime.
The WORX Nitro 21" offers superior power and features, making it ideal for larger lawns, while the MZK 20V is a budget-friendly option for smaller yards.
Why MZK 20V 13" Electric Lawn Mower, Brushless is better
Price
MZK is $230 cheaper
Weight
MZK is lighter at 24.3 lbs
Maneuverability
MZK is easier to handle
Why WORX Nitro 21" Cordless Lawn Mower, Brushless is better
Cutting Width
WORX has a 21-inch width vs MZK's 13-inch
Motor Power
WORX has 40% more power
Height Adjustment
WORX offers 7 positions vs MZK's 4
Overall score
Specifications
| Spec | MZK 20V 13" Electric Lawn Mower, Brushless | WORX Nitro 21" Cordless Lawn Mower, Brushless |
|---|---|---|
| Motor Type | Brushless | Brushless 2.0 |
| Cutting Height | 1.2-1.5 in | 1.5-4 in |
| Battery Count | 2 x 4.0Ah | 2 x 5.0Ah |
| Sales Rank | 3019 | 4856 |
| Features | Basic | Advanced |
Dimension comparison
Price Comparison
When it comes to pricing, the MZK 20V 13" Electric Lawn Mower is significantly cheaper than the WORX Nitro 21" Cordless Lawn Mower. The MZK mower is priced at $149.99, while the WORX model costs $379.99. This means the MZK mower is about 60% less expensive than its competitor. For budget-conscious consumers, the MZK presents a compelling choice, especially for those with smaller lawns or infrequent mowing needs. The WORX mower does justify its higher price with additional features and capabilities, but for basic lawn care, the MZK offers excellent value.
Cutting Width and Efficiency
The cutting width of a lawn mower greatly affects how efficiently it can tackle your lawn. The WORX Nitro has a 21-inch cutting width compared to the MZK’s 13-inch width. This means the WORX mower can cover more ground in a single pass, which is particularly beneficial for larger yards up to 1/2 acre. The MZK, while lighter and easier to maneuver, will require more passes to achieve the same coverage, making it less efficient for larger lawns. If you have a substantial area to maintain, the additional cutting width of the WORX may be a considerable advantage.
Motor Technology
In terms of motor technology, both mowers utilize advanced brushless motors, but the WORX Nitro boasts a more powerful version. The WORX mower’s brushless motor 2.0 delivers 40% more power and 10% longer runtime compared to earlier generations. This higher performance allows it to tackle tougher grass conditions more effectively. The MZK's powerful brushless motor is designed for efficiency and reliability, but it does not claim the same level of enhanced power. For users who frequently deal with thick or overgrown grass, the WORX may be the better choice due to its superior motor technology.
Height Adjustment Features
Height adjustment is an important feature for achieving the perfect lawn cut. The MZK 20V offers four adjustable cutting heights ranging from 1.2 to 1.5 inches, which may be suitable for various grass types. In contrast, the WORX Nitro provides a more versatile seven-position height adjustment ranging from 1.5 to 4 inches. This wider range allows for greater customization based on seasonal needs and grass conditions. For those who value flexibility in lawn care, the WORX mower clearly offers more options.
Weight and Maneuverability
When considering ease of use, weight plays a crucial role. The MZK 20V weighs only 24.3 pounds, making it extremely lightweight and easy to maneuver. This can be particularly advantageous for users who may have difficulty handling heavier equipment. The WORX Nitro, while not specified in weight, is generally heavier due to its larger size and additional features. If user-friendliness and transportability are priorities, the MZK's lightweight design makes it a strong contender, particularly for smaller yards.
Runtime and Battery Life
Both mowers come with batteries included, but they differ in capacity and expected runtime. The MZK 20V includes two 4.0Ah batteries, while the WORX Nitro is equipped with two 5.0Ah batteries. The WORX mower can achieve a maximum no-load runtime of 50 minutes, which is designed for lawns up to 1/2 acre. Although the MZK’s runtime hasn’t been explicitly stated, the smaller cutting width may imply that its battery life could also suffice for smaller tasks. For larger lawns, the WORX’s superior battery capacity and runtime may provide a more reliable solution.
Additional Features
The WORX Nitro has several advanced features that the MZK lacks. Its aerodeck technology boosts air volume in the cutting deck to enhance cut quality and efficiency, while its Intellicut technology automatically adjusts cutting speed based on grass density. These innovations make the WORX mower not just more powerful, but also smarter. The MZK focuses on a straightforward approach with safety features like an easy startup mechanism, but lacks the advanced technological enhancements of the WORX. For tech-savvy users who appreciate innovation, the WORX Nitro is likely the more appealing option.
Which should you buy?
Choosing between the MZK 20V 13" Electric Lawn Mower and the WORX Nitro 21" Cordless Lawn Mower ultimately depends on your specific needs. If you have a small yard and are looking for an economical option, the MZK at $149.99 is an excellent value and easy to maneuver. However, for homeowners with larger lawns or those who frequently face challenging mowing conditions, the WORX Nitro offers superior power, cutting width, and advanced features, justifying its higher price of $379.99. In essence, the MZK is a practical choice for small-scale mowing, while the WORX Nitro is ideal for more demanding lawn care tasks.

