Best Gas Walk-Behind Lawn Mowers of 2025

Bryan Hicks Avatar
Bryan Hicks
Last Updated: Jan 8, 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Gas walk-behind lawn mowers are popular among homeowners and lawn care professionals alike due to their powerful engines and ability to handle large yards with ease. These mowers typically range in size from 21 to 30 inches and offer adjustable cutting heights to accommodate different grass lengths. They are equipped with a gas-powered engine, making them ideal for larger lawns where electric mowers may not be practical. Many models come with features such as mulching capabilities, bagging options, and self-propulsion for added convenience. Gas walk-behind mowers are a reliable and efficient choice for anyone looking to maintain a healthy, lush lawn.

At a Glance: Our Top Picks

YARDMAX 22" 201cc Self Propelled Lawn Mower Cover #TOP 1
YARDMAX 22" 201cc Self Propelled Lawn Mower
ftb score rating icon 9.9
YARDMAX 21" Gas Walk Behind Push Lawn Mower Cover #TOP 2
YARDMAX 21" Gas Walk Behind Push Lawn Mower
ftb score rating icon 9.8
YARDMAX 21" 2-in-1 Gas Walk Behind Push Lawn Mower Cover #TOP 3
YARDMAX 21" 2-in-1 Gas Walk Behind Push Lawn Mower
ftb score rating icon 9.6

Top 10 Gas Walk-Behind Lawn Mowers

#TOP 1

YARDMAX 22" 201cc Self Propelled Lawn Mower

YG2760
Black
YARDMAX 22" 201cc Self Propelled Lawn Mower Cover
YARDMAX 22 in. 201cc Select PACE 6 Speed CVT High Wheel RWD 3-in-1 Gas Walk Behind Self Propelled Lawn Mower, Black

The YARDMAX 22" 201cc Self Propelled Lawn Mower is a gas-powered mower that comes with a single-lever deck adjustment for quick mow height setting. It also features the MAXFlow Deck Technology that offers better airflow and mulching. The mower has a 16-gauge stamped steel deck that is durable and reduces vibration. It has seven cutting heights ranging from 1.38" to 3.55".

What We Like
Single-lever deck adjustment for quick setting of mow height
MAXFlow Deck Technology for better airflow and mulching
Durable, one-piece seamless steel deck reduces vibration
Seven cutting heights for precise mowing
Self-propelled for easy operation
#TOP 2

YARDMAX 21" Gas Walk Behind Push Lawn Mower

YG1650
Orange
YARDMAX 21" Gas Walk Behind Push Lawn Mower Cover
YARDMAX 21 in. 170cc 3-in-1 Gas Walk Behind Push Lawn Mower with High Rear Wheels

YARDMAX Push Lawn Mower, equipped with a single-lever deck adjustment, allows you to easily choose your preferred mowing height. With MAXFlow Deck Technology, this mower ensures better airflow and mulching. The heavy-duty, one-piece steel deck reduces vibration for a smoother operation. Offering seven cutting heights ranging from 1.25" to 3.75", this mower provides versatility to meet your lawn maintenance needs efficiently.

What We Like
Single-lever deck adjustment
MAXFlow Deck Technology
Heavy-duty steel deck
#TOP 3

YARDMAX 21" 2-in-1 Gas Walk Behind Push Lawn Mower

YG1550
Orange
YARDMAX 21" 2-in-1 Gas Walk Behind Push Lawn Mower Cover
YARDMAX 21 in. 170cc 2-in-1 Gas Walk Behind Push Lawn Mower with High Rear Wheels

The YARDMAX 21" 2-in-1 high-rear-wheel walk-behind manual push mower features a light, compact design that makes it easy to mow smaller lawns and to maneuver the mower in tighter spaces, but still gives you plenty of features and lots of power for an entry-level mower. Equipped with a 170cc OHV Yardmax engine that delivers maximum performance in this class of push mower, this mower features a seven cutting positions, which can be adjusted using a single convenient lever. For smooth mobility, this mower features 7-in. front and 11-in. rear ball-bearing wheels, and a single-piece, seamless stamped steel deck made of durable 16-guage steel. Only limited assembly required.

What We Like
Powerful 170cc engine
2-in-1 cutting capability
High rear wheels for easy maneuverability
#TOP 4

BILT HARD 21 Inch Lawn Mower

21 Inch, 201cc
BILT HARD 21 Inch Lawn Mower Cover
BILT HARD 21 Inch Lawn Mower Gas Powered, 4-Cycle 201cc Engine, 3-in-1 Push Lawnmower with Bagging, Mulching & Side Discharge, Adjustable 10-Positions Cutting Height, Easy Start

The BILT HARD 21" Lawn Mower is a powerful and versatile walk-behind push lawnmower that will meet all your lawn maintenance needs. Equipped with a robust 170cc 4-stroke OHV engine, this gas-powered mower delivers efficient and reliable performance every time. Its 3-in-1 steel deck allows for mulching, side discharge, and rear bagging, providing you with a well-manicured garden. With its adjustable cutting height, you can easily customize the mowing height from 1.2" to 3.75" to match your lawn requirements. The comfortable foam-wrapped angled grip and smooth movement of the 8" rear and 7" front double ball-bearing wheels make mowing a breeze. Plus, with a 90-day warranty, you can have peace of mind knowing that any quality issues will be addressed by the support team.

What We Like
Adjustable 10-positions cutting height
3-in-1 functionality (bagging, mulching, and side discharge)
One-pull start
#TOP 5

PowerSmart 21-Inch Gas Lawn Mower

V8621P
PowerSmart 21-Inch Gas Lawn Mower Cover
PowerSmart Gas Lawn Mower 21-Inch 144 cc OHV Engine 3-in-1 Push Mower with Bagging 2024 Version

The PowerSmart Gas Mower features a robust 144cc 4-cycle engine that ensures easy starting and strong performance, making lawn maintenance a breeze. Its all-steel deck offers versatility with mulching, bagging, and side-discharging options, allowing you to choose the best method for your lawn care needs. The heavy-duty 21-inch cutting blade enhances efficiency by letting you cover more ground in less time. Additionally, the dual-lever height adjustment gives you six cutting positions, enabling you to customize your lawn’s appearance from 1.5 inches to 3.9 inches, ensuring a precise cut every time.

What We Like
Powerful 144cc engine
Versatile 3-in-1 deck
Efficient 21-inch blade
Adjustable cutting heights
#TOP 6

HASANEN 140cc Self Propelled Lawn Mower

HASANEN
5HP-YLNX6GS7WDML8
Black, Red
HASANEN 140cc Self Propelled Lawn Mower Cover
Self Propelled Gas Lawn Mower, 4KW 140cc 4-Stroke 20.5 in High Wheel FWD Lawnmower Gas Walk Behind Handle Lawn Mower with 60L/15.85gallon Capacity Bag & 8 Position Height Adjustable for Lawn Weeding

The HASANEN Gas Lawn Mower offers a robust design with durable materials, ensuring longevity and resistance to wear. Its large 60L grass bag and 1.6L fuel tank mean less frequent stops for maintenance, allowing you to focus on your lawn care. With a user-friendly hand starter, you can easily get started with just a pull, and the gasoline power provides freedom from electric cords. Additionally, the 8-position height adjustment lets you customize mowing height for optimal results, making your weeding tasks more efficient and tailored to your lawn's needs.

What We Like
Durable steel and polypropylene
Large grass collection capacity
Easy pull-start operation
Customizable mowing height
#TOP 7

BJTDLLX 5hp Self Propelled Lawn Mower

BJTDLLX
Self Propelled Gas Lawn Mower
BJTDLLX 5hp Self Propelled Lawn Mower Cover
BJTDLLX Lawn Mower, 5hp 140cc Self Propelled Gas Lawn Mower, 2800rpm 4-Stroke Engine Walk-Behind Lawn Mowers, 8-Position Adjustable Cutting Height (1-3.2in)

The BJTDLLX Self Propelled Mower features a robust 20-inch manganese steel blade, ensuring a sharp and clean cut for various lawn types. With its powerful 5HP, 140cc engine, you can tackle mowing tasks swiftly and efficiently. The mower offers 8 adjustable cutting heights, allowing you to customize the grass height for different conditions, resulting in a well-manicured lawn. Additionally, its self-propelled design means you won’t have to push it manually, making it easier on your back and hands while you mow.

What We Like
Powerful 5HP engine
Adjustable cutting heights
Self-propelled design
Quiet operation
#TOP 8

CRAFTSMAN M215 140cc 21-Inch 3-in-1 Lawn Mower

12AVB2T2791
Liberty Red
CRAFTSMAN M215 140cc 21-Inch 3-in-1 Lawn Mower Cover
CRAFTSMAN Self-Propelled Gas Powered Lawn Mower, 21 Inch, 3-in-1 Mulching Push Mower with Bag, 6 Adjustable Heights, 140cc OHV Engine (M215)

The CRAFTSMAN M215 21-in. 3-In-1 FWD lawn mower with bagger is great for smaller yards. Powered by a 159cc engine with a recoil start & auto choke, this front-wheel drive lawn mower is equipped with both side & rear discharge & mulching capabilities. It is equipped with a 21" Cutting deck that allows you to mow wider areas of grass with fewer passes- perfect for small- or medium-sized yd.

What We Like
Powerful 140cc OHV gas engine with recoil and auto choke
3-in-1 capabilities with side discharge, rear discharge, and mulching
Front wheel drive for easy maneuvering
Self-propelled with variable speed for less effort
Dual-lever adjustable cutting height with 6 different settings
#TOP 9

DCEHKR 140CC Self-Propelled Mower

DCEHKR
SLM-D-01
DCEHKR 140CC Self-Propelled Mower Cover
DCEHKR 140CC Self Propelled Lawn Mower, 4-Stroke Gasoline Engine Grass Trimmer Lawn Mower, 5HP Gas Lawn Mower with 20" Mowing Width and 8 Gears Adjustable Cutting Height, Walk Behind Brush Cutter

The DCEHKR Self-Propelled Mower offers outstanding mowing performance with its robust 5HP, 140CC engine that operates at a fast speed of 2800rpm, allowing you to tackle your lawn quickly. Its durable 20-inch manganese steel blade ensures clean cuts, even on tough terrain. You can easily adjust the cutting height with eight settings, making it suitable for various grass types and ensuring a neat appearance. Additionally, the large grass bag and fuel tank enable extended mowing sessions without frequent stops, enhancing your efficiency and convenience during lawn care.

What We Like
Powerful engine performance
Durable cutting blade
Adjustable cutting height
Large grass collection capacity
Effortless self-propelled operation
#TOP 10

PowerSmart 21-inch Gas Lawn Mower

DB8602PR-VC
Gray Bagger
PowerSmart 21-inch Gas Lawn Mower Cover
PowerSmart Gas Lawn Mower 21-inch, 144cc OHV Engine 3-in-1 Rear Bag, Mulch and Side Discharge, 6-Position Height Adjustment

The PowerSmart Gas Mower features a robust 144cc 4-cycle engine that ensures easy starting with its recoil starter and auto choke, making your mowing tasks hassle-free. Its all-steel deck combines mulching, bagging, and side-discharging functions, giving you the flexibility to choose how to handle your grass clippings. With a 21-inch cutting blade, you can cover more ground quickly while achieving a clean cut. Additionally, the dual-lever height adjustment allows you to customize your mowing height, ranging from 1.5 to 3.9 inches, ensuring your lawn looks just the way you want it.

What We Like
Powerful 144cc engine
3-in-1 functionality
21-inch cutting blade
Adjustable cutting height
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Are gas reel mowers worth it?

Gas reel mowers have their advantages. They are safer to use as the blades stop when you stop pushing. They are also less expensive to purchase and maintain compared to gas or electric mowers. Modern versions are more maneuverable due to lightweight plastics and alloys. However, they can easily get jammed by sticks and rocks and may not cut tall grass well.

2. Are they phasing out gas lawn mowers?

Some states and cities have taken steps to ban gas lawn equipment. California, for example, will implement a ban on the sale of new small gas engines. However, it is important to check the regulations specific to your area to determine if gas lawn mowers are being phased out.

3. Are self-propelled mowers worth it?

Self-propelled mowers are worth considering, especially if you have hills and rough terrain. They provide ease of use and require less physical effort. For flat or curvy lawns with obstacles and tight spaces, a push mower may offer better maneuverability. Lightweight battery-powered self-propelled mowers are also a good option for those with physical limitations.

4. How much should I pay for a self-propelled lawn mower?

The price of a self-propelled lawn mower can vary depending on factors such as brand and features. Generally, expect to pay at least $300, with prices ranging up to around $1,400. Most homeowners typically spend between $350 and $900 for a self-propelled lawn mower.

5. What are the disadvantages of a reel mower?

Reel mowers have some disadvantages. They can easily get jammed by sticks and rocks and may not cut tall grass effectively. Sharpening the blades is not a DIY project, and the lower cut can make the lawn more prone to browning in the summer heat.

6. Why did people stop using reel mowers?

Reel mowers fell out of favor in the past as yard sizes increased and people sought more convenience. Pushing mowers through grass became less appealing, especially as self-propelled mowers emerged, making lawn care easier with less effort required.

7. What states have banned gas lawn mowers?

States such as California, Vermont, and Washington D.C. have implemented bans or restrictions on small gas engines. California, for instance, will prohibit the sale of new small gas engines starting next year. Existing owners can still use their blowers and mowers, but it's important to check the regulations in your specific location.

8. What is an alternative to gas lawn mowers?

Electric mowers are a popular alternative to gas-powered models. They are more environmentally friendly, quieter, and easier to start compared to traditional gas mowers. Electric-powered models have evolved significantly, offering a viable option for lawn care.

9. What is the average life of a self-propelled lawn mower?

A self-propelled lawn mower can last eight years or more, depending on usage. Manufacturers typically rate their mowers for a set number of service hours. The service life of a self-propelled mower is similar to that of a standard push mower.

Editor's Notes

During our gas walk-behind lawn mower research, we found 24 gas walk-behind lawn mower products and shortlisted 10 quality products. We collected and analyzed 13,677 customer reviews through our big data system to write the gas walk-behind lawn mowers list. We found that most customers choose gas walk-behind lawn mowers with an average price of $306.87.

The gas walk-behind lawn mowers are available for purchase. We have researched hundreds of brands and picked the top brands of gas walk-behind lawn mowers, including YARDMAX, BILT HARD, PowerSmart, HASANEN, BJTDLLX. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Bryan Hicks Avatar

Bryan Hicks is a professional gardener and a writer who lives in North Texas with his family and his dog. Bryan has spent more than half of his life surrounded by garden products. He has extensive experience in garden makeovers and maintenance and lawn care. His areas of expertise include outdoor decoration, gardening and garden design.