Ezasin 21" Self-Propelled Gas Lawn Mower, 170cc vs Greenworks 40V 16" Cordless Lawn Mower
Updated July 2026 — Ezasin 21" Self-Propelled Gas Lawn Mower, 170cc leads on engine size and weight.
The Ezasin mower excels in power and versatility, while the Greenworks model offers convenience and lower maintenance costs. Choose based on your lawn care needs.
Why Ezasin 21" Self-Propelled Gas Lawn Mower, 170cc is better
Power
Ezasin has a 170cc engine vs Greenworks' battery
Cutting Width
Ezasin has a 21-inch deck vs Greenworks' 16-inch
Versatility
Ezasin offers a 3-in-1 cutting system vs Greenworks' 2-in-1
Why Greenworks 40V 16" Cordless Lawn Mower is better
Weight
Greenworks is 35% lighter than Ezasin
Maintenance
Greenworks requires zero maintenance vs Ezasin's gas upkeep
Noise
Greenworks operates quietly vs Ezasin's louder gas engine
Overall score
Specifications
| Spec | Ezasin 21" Self-Propelled Gas Lawn Mower, 170cc | Greenworks 40V 16" Cordless Lawn Mower |
|---|---|---|
| Power | 4.0 HP | 40V Battery |
| Cutting System | 3-in-1 | 2-in-1 |
| Price | $379.99 | $279.99 |
| Bestseller Rank | 27166 | 813 |
| Warranty | N/A | 3 Years |
Dimension comparison
Overview of the Ezasin 21" Self-Propelled Gas Lawn Mower
The Ezasin 21" Self-Propelled Gas Lawn Mower offers a powerful 170cc 4-stroke engine, delivering reliable performance for maintaining medium-sized lawns. Priced at $379.99, this mower is positioned as a robust option for those needing efficient gas-powered mowing. With a bestseller rank of 27,166, it showcases solid demand in the market. The mower features a versatile 3-in-1 cutting system, allowing users to choose between bagging, mulching, or side discharge. Its 21-inch cutting width and adjustable cutting height with seven positions cater to various grass lengths, making it adaptable to seasonal changes.
Overview of the Greenworks 40V 16" Cordless Lawn Mower
The Greenworks 40V 16" Cordless Lawn Mower is a lightweight and eco-friendly option priced at $279.99, making it about 17% cheaper than the Ezasin model. With a bestseller rank of 813, it is popular among users looking for convenience and efficiency in lawn care. This mower uses a 4.0Ah battery, providing up to 40 minutes of runtime, suitable for small to medium lawns. Its 16-inch cutting deck and 5-position height control system offer flexibility for different grass types, while the quiet operation is ideal for residential areas.
Power and Performance Comparison
When it comes to power and performance, the Ezasin mower stands out with its 170cc engine, delivering 4.0 HP, which is designed for tackling thicker grass and larger lawns. In contrast, the Greenworks mower relies on a 40V battery for power, which, while efficient for smaller yards, may not provide the same level of performance for denser grass. The Ezasin's maximum engine power allows it to handle various mowing conditions effectively, whereas the Greenworks model is better suited for lighter tasks. This distinction may influence the choice for users based on their lawn's specific needs.
Cutting System and Versatility
The Ezasin mower features a versatile 3-in-1 cutting system, offering rear bagging, mulching, and side discharge options. This adaptability allows users to select the best method for their lawn's condition and seasonal requirements. Meanwhile, the Greenworks mower employs a 2-in-1 mulching and rear-bagging system, which, while functional, may not be as versatile as the Ezasin's offerings. The Ezasin's larger cutting width of 21 inches also means fewer passes are needed, potentially saving time during mowing sessions compared to the Greenworks' 16-inch deck.
Maneuverability and Ease of Use
In terms of maneuverability, the Ezasin mower is designed with larger 10-inch rear wheels and 8-inch front wheels, enabling it to glide over uneven terrain effortlessly. This feature is particularly beneficial for users with less level lawns. Conversely, the Greenworks mower's ultra-lightweight design—being 35% lighter than traditional mowers—makes it easy to push and maneuver, especially in tight spaces. However, the trade-off may be stability in rougher terrain. The push-button start of the Greenworks model enhances ease of use, appealing to those who prioritize convenience during lawn care.
Maintenance and Operational Costs
One of the key advantages of the Greenworks mower is its zero maintenance requirement, eliminating gas and oil costs, as well as the need for engine tune-ups. This could save users over $200 annually compared to gas mowers like the Ezasin. The Ezasin requires standard gas and maintenance, which could add to the total cost of ownership over time. Additionally, the Greenworks mower operates quietly, making it suitable for noise-sensitive environments. Meanwhile, the Ezasin's gas engine may produce more noise, which is a consideration for users in residential areas.
Warranty and Support
Both mowers come with warranties that support their buyers, but they differ in coverage specifics. The Greenworks mower includes a 3-year tool and battery warranty, providing peace of mind for users investing in a cordless system. On the other hand, while the Ezasin does not specify its warranty details, it emphasizes customer service support, promising quick solutions for any issues. This aspect may appeal to buyers who prioritize after-sales assistance, even if the warranty terms are not explicitly defined.
Which should you buy?
Choosing between the Ezasin 21" Self-Propelled Gas Lawn Mower and the Greenworks 40V 16" Cordless Lawn Mower depends on your specific lawn care needs and preferences. If you have a medium to large yard with thicker grass and need a powerful machine, the Ezasin offers superior performance and versatility. However, if you prefer a lighter, eco-friendly option that requires less maintenance and is more budget-friendly, the Greenworks mower may be the better choice. Ultimately, the decision should be based on lawn size, maintenance preferences, and budget considerations.

