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GasXcel 21" Self-Propelled Lawn Mower Gas, 170CC vs Sun Joe Corded Electric Dethatcher & Scarifier

Updated July 2026 — GasXcel 21" Self-Propelled Lawn Mower Gas, 170CC wins on bag size and weight, Sun Joe Corded Electric Dethatcher & Scarifier wins on price.

The GasXcel 21" Self-Propelled Lawn Mower offers superior performance and versatility for larger lawns, while the Sun Joe is a budget-friendly option for smaller areas focused on lawn health.

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

Power

GasXcel has a more powerful engine.

Versatility

GasXcel offers a 4-in-1 cutting system.

Capacity

GasXcel has a larger grass bag.

Why Sun Joe Corded Electric Dethatcher & Scarifier is better

Price

Sun Joe is significantly cheaper.

Weight

Sun Joe is lighter and easier to handle.

Maintenance

Sun Joe requires less maintenance.

Overall score

GasXcel 21" Self-Propelled Lawn Mower Gas, 170CC
85
Sun Joe Corded Electric Dethatcher & Scarifier
70

Specifications

SpecGasXcel 21" Self-Propelled Lawn Mower Gas, 170CCSun Joe Corded Electric Dethatcher & Scarifier
Engine170cc OHV12-Amp Motor
Cutting Width21 inches12.6 inches
Grass Bag65L8 gallons
Cutting System4-in-1Dethatcher
Drive TypeSelf-PropelledCorded Electric

Dimension comparison

GasXcel 21" Self-Propelled Lawn Mower Gas, 170CCSun Joe Corded Electric Dethatcher & Scarifier

Overview of GasXcel 21" Self-Propelled Lawn Mower Gas and Sun Joe Corded Electric Dethatcher & Scarifier

The GasXcel 21" Self-Propelled Lawn Mower is designed for those who prefer a gas-powered solution for maintaining their lawns, while the Sun Joe Corded Electric Dethatcher & Scarifier focuses on lawn health through dethatching and scarifying. The GasXcel is priced at $389.99, making it a premium option, while the Sun Joe comes in at a significantly lower price of $139.99, which is about 64% cheaper. Each product serves a specific purpose in lawn care, catering to different user needs and preferences.

Power and Performance

When it comes to power, the GasXcel features a robust 170cc OHV engine that provides reliable and consistent performance for cutting grass efficiently. This self-propelled mower can run up to 1.5 hours on a full tank, making it suitable for larger lawns without the need for frequent refueling. In comparison, the Sun Joe is equipped with a 12-amp motor, which, while less powerful than the GasXcel's engine, is sufficient for its intended function of dethatching and scarifying. The Sun Joe's motor allows it to cover a 12.6-inch-wide path, making lawn care quicker and more efficient for smaller areas.

Cutting and Lawn Care Capabilities

The GasXcel offers a versatile 4-in-1 cutting system that includes mulching, rear bagging, side discharge, and rear discharge. This feature allows users to adapt their mowing strategy according to different grass conditions and seasons, ensuring the lawn remains healthy and well-maintained. On the other hand, the Sun Joe excels in lawn health with its customizable depth control that allows users to adjust the dethatching and scarifying depth across five positions. This capability helps improve airflow and nutrient absorption in the soil, promoting thicker and healthier grass.

Grass Bag Capacity

In terms of grass bag capacity, the GasXcel is equipped with a large 65L (17.5-gallon) rear grass bag, allowing for fewer interruptions during mowing. This is particularly beneficial for larger yards where frequent emptying could be time-consuming. Conversely, the Sun Joe features a smaller 8-gallon detachable collection bag for thatch and debris, which is sufficient for its dethatching function but may require more frequent emptying during use, especially in denser lawns.

Maneuverability and Design

The GasXcel offers enhanced maneuverability with its self-propelled drive and larger wheels, which provide better traction, especially on uneven terrain. This feature reduces the physical effort required by the user when mowing. The mower also has a foldable design, making it easier to store when not in use. In contrast, the Sun Joe is corded, which means it may limit mobility unless the user has multiple extension cords or is working in a smaller area. Its lightweight design makes it easy to handle, but it does not match the maneuverability of the GasXcel in larger, more complex yards.

Assembly and Ease of Use

The GasXcel is designed for quick assembly, allowing users to get started with minimal setup time. It comes pre-assembled out of the box, and users can usually attach the handle within 10 minutes. This ease of use is a significant advantage for those who want to start mowing right away. The Sun Joe, while also user-friendly, requires a power source and may involve setting up extension cords, which could complicate the initial setup depending on the yard layout.

Maintenance and Upkeep

Both the GasXcel and Sun Joe require maintenance, but the nature of that maintenance differs due to their power sources. The GasXcel, being a gas mower, will require regular checks on the engine, oil, and fuel, which can be more involved than maintaining an electric device. The Sun Joe, being corded, typically requires less maintenance, mainly focusing on the tines and motor upkeep. However, the need for an electrical outlet can be limiting for some users, especially in larger yards.

Price Comparison

The price difference between these two products is substantial, with the GasXcel at $389.99 and the Sun Joe at $139.99. This makes the Sun Joe about 64% cheaper, which might appeal to budget-conscious consumers or those with smaller lawns. However, the higher price of the GasXcel reflects its additional features, such as a powerful gas engine and a versatile cutting system, which may justify the investment for users looking for comprehensive lawn care solutions.

Which should you buy?

Choosing between the GasXcel 21" Self-Propelled Lawn Mower and the Sun Joe Corded Electric Dethatcher & Scarifier ultimately depends on your specific lawn care needs. If you require a robust mowing solution for a larger yard and value versatility in cutting options, the GasXcel may be the better choice despite its higher price. However, if your primary goal is lawn health through dethatching and you are working with a smaller area, the Sun Joe offers an excellent, budget-friendly option that delivers effective results.