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GasXcel 21" Self-Propelled Lawn Mower Gas, 170CC vs MZK 20V 13" Electric Lawn Mower, Brushless

Updated July 2026 — GasXcel 21" Self-Propelled Lawn Mower Gas, 170CC wins on grass bag and cutting width, MZK 20V 13" Electric Lawn Mower, Brushless wins on price and weight.

The GasXcel offers superior power and versatility, while the MZK is a lightweight and economical choice for smaller lawns.

Why GasXcel 21" Self-Propelled Lawn Mower Gas, 170CC is better

Cutting Width

GasXcel has a 21-inch cutting width compared to MZK's 13 inches.

Grass Bag Capacity

GasXcel features a 65L grass bag versus MZK's 8-gallon bag.

Engine Power

GasXcel has a powerful 170cc engine compared to MZK's electric motor.

Why MZK 20V 13" Electric Lawn Mower, Brushless is better

Price

MZK is priced at $149.99, significantly cheaper than GasXcel.

Weight

MZK weighs only 24.3 pounds, making it easier to handle.

Eco-Friendly

MZK operates on electricity, reducing carbon emissions.

Overall score

GasXcel 21" Self-Propelled Lawn Mower Gas, 170CC
85
MZK 20V 13" Electric Lawn Mower, Brushless
70

Specifications

SpecGasXcel 21" Self-Propelled Lawn Mower Gas, 170CCMZK 20V 13" Electric Lawn Mower, Brushless
Engine TypeGasElectric
Cutting Heights7 positions4 positions
Runtime1.5 hoursDepends on charge
ManeuverabilitySelf-propelledPush
AssemblyQuickEasy

Dimension comparison

GasXcel 21" Self-Propelled Lawn Mower Gas, 170CCMZK 20V 13" Electric Lawn Mower, Brushless

Overview of the Products

In this comparison, we will examine the GasXcel 21" Self-Propelled Lawn Mower Gas and the MZK 20V 13" Electric Lawn Mower. The GasXcel is priced at $389.99, while the MZK comes in at a significantly lower price of $149.99, making it about 61% cheaper. Both products are designed for residential lawn care, but they cater to different needs and preferences.

Engine and Power Source

The GasXcel features a powerful 170cc OHV engine, which is designed for fuel efficiency and reliable performance. This gas-powered mower can run for up to 1.5 hours on a full tank, making it suitable for larger lawns without the need for frequent refueling. In contrast, the MZK is equipped with a brushless electric motor powered by two 4.0Ah batteries. This design offers a quieter operation and eliminates the hassle of gas, but may require more frequent charging depending on the size of the lawn.

Cutting Performance

When it comes to cutting performance, the GasXcel boasts a 21-inch cutting width and a 4-in-1 cutting system that allows for mulching, rear bagging, side discharge, and rear discharge. This versatility provides homeowners with options to adapt to various grass conditions and seasonal needs. The MZK, on the other hand, has a smaller 13-inch cutting path but offers four adjustable cutting heights ranging from 1.2 inches to 1.5 inches. While it may cover less area at once, it allows for customization suitable for different types of grass.

Grass Collection and Disposal

The GasXcel features a large 65L (17.5-gallon) rear grass bag that minimizes the need for frequent stops during mowing, enhancing productivity. This is particularly advantageous for larger lawns. Conversely, the MZK comes with an 8-gallon grass bag, which is adequate for smaller yards but may require more frequent emptying. The efficiency of grass collection is essential for maintaining a clean lawn, and the GasXcel’s larger capacity gives it a clear edge in this category.

Maneuverability and Weight

Maneuverability is key for a lawn mower, especially in yards with slopes or tight corners. The GasXcel’s self-propelled system reduces the effort required to push the mower, making it easier to navigate uneven terrain. It also features 8-inch front and 10-inch rear wheels for better traction. The MZK, on the other hand, weighs only 24.3 pounds, making it incredibly lightweight and easy to handle for users of all ages. However, its push design may require more physical effort compared to the GasXcel's self-propelled feature.

Height Adjustment Options

The GasXcel offers a precision 7-position height adjustment, allowing for cutting heights ranging from 1 inch to 3 inches. This flexibility caters to various lawn types and personal preferences for grass length. In comparison, the MZK provides four adjustable cutting heights, ranging from 1.2 inches to 1.5 inches. While both mowers allow for some degree of customization, the GasXcel’s broader range offers more options for achieving the desired lawn appearance.

Ease of Use and Assembly

The GasXcel is designed for quick assembly, requiring just a few minutes to set up with no tools needed. It comes pre-assembled out of the box, making it user-friendly for those who may not be handy. The MZK also features an easy two-step activation process, ensuring a safe and straightforward startup. While both mowers are user-friendly, the GasXcel’s quick setup may appeal more to those who prioritize convenience.

Price and Value

The GasXcel is priced at $389.99, while the MZK is available for $149.99, making the latter about 61% cheaper. Despite the price difference, the GasXcel offers features such as a powerful gas engine and a larger cutting width, which may justify its higher price for homeowners with bigger yards. The MZK, with its electric motor and lightweight design, provides excellent value for smaller lawns or for those looking for an environmentally friendly option.

Which should you buy?

Choosing between the GasXcel 21" Self-Propelled Lawn Mower and the MZK 20V 13" Electric Lawn Mower ultimately depends on your specific needs. If you have a larger yard and require a powerful, fuel-efficient mower, the GasXcel is a solid choice with its versatile cutting options and self-propelled feature. However, if you are looking for an economical, lightweight, and eco-friendly option for a smaller lawn, the MZK is an excellent value at $149.99. Consider your yard size, maintenance preferences, and budget when making your decision.