A gas lawn mower is a great investment for keeping your yard looking sharp, especially if you have a medium to large-sized lawn. These mowers offer more power, longer run times, and greater cutting efficiency than electric or battery-powered models. The good news? You don’t have to spend a fortune to get a high-quality mower. There are plenty of reliable gas lawn mowers under $400 that provide excellent performance without breaking the bank. In this guide, we’ll highlight the best budget-friendly options and what to look for when making a purchase.
Key Highlights
- Affordable and powerful: Get a gas mower with strong engine performance for under $400.
- Ideal for medium to large lawns: More cutting power and longer run times compared to electric mowers.
- Self-propelled & push options: Choose between manual push or easier self-propelled models.
- Durable construction: Look for steel decks and reliable engines for long-lasting use.
Discover The Best Gas Lawn Mowers
SENIX 20-Inch Gas Lawn Mower with 125 cc 4-Cycle Briggs & Stratton Engine, Side Discharge,...
- EFFICIENT LAWN MOWING: The SENIX 20-inch gas push mower features a steel deck with a 20-inch cutting width, providing a large cutting area with high durability for small to medium size yards; The...
- POWERFUL ENGINE: The Briggs & Stratton 125 cc 4-cycle E300 engine with Prime n Pull start delivers reliable power to quickly tackle your lawn; The engine on the push lawn mower is designed for longer...
- CONVENIENCE AND COMFORT: The durable steel deck with a unique vortex tunnel design and a side discharge chute disperses grass clippings evenly, while the ergonomic handle maximizes user comfort during...
- EASY TO ADJUST AND MANEUVER: The 5-position 4-point single wheel height height adjustment tailors grass cutting height from 1.25 inches to 3.75 inches, while the durable 7-inch wheels provide easy...
AMERISUN 21" Steel Deck Gas Lawn Mower, Heavy-Duty 3-in-1 Push Mower, 144cc 4-Stroke...
- HEAVY-DUTY 21" STEEL CUTTING DECK FOR MAXIMUM DURABILITY – Built with a reinforced 21-inch steel deck, this mower ensures superior durability and excellent cutting performance, covering more ground...
- POWERFUL 144CC 4-STROKE ENGINE – Equipped with a high-performance OHV engine, this lawn mower delivers reliable power and efficiency. The forced air-cooling system ensures smooth operation and...
- 3-IN-1 VERSATILITY: BAG, MULCH, & SIDE DISCHARGE – Easily switch between rear bagging, mulching, and side discharge. The 1.4-bushel grass catcher allows easy grass collection, keeping your lawn...
- ADJUSTABLE CUTTING HEIGHT & WIDE 21” STEEL DECK – Features a 6-position height adjustment (1.5" to 3.9") for precise grass cutting. The durable 21-inch steel deck enhances performance and ensures...
SENIX 144 cc Gas Lawn Mower, 20 inch 4-Cycle Push Mower, Side Discharge, 5 Position...
- 【144CC Powerful Engine】this lawn mower gas is equipped with 144CC 4QL gas engine for robust power, low noise, and continuous operation, efficiently complete large mowing tasks and enhance the...
- 【Versatility & Adaptability】Front 7-inch and rear 7-inch wheel design of lawn mowers clearance greatly improves the passability of rugged terrain, from short lawn to rugged slopes can be easily...
- 【20 inch Cutting Width】The 20-inch gas powered lawn mower effectively increasing the area covered in a single operation and dramatically improving operational efficiency compared to 16-inch
- 【5 Position Cutting Height Adjustable 】5 levels of mowing height adjustment, from 1.25 inches to 3.75 inches, to adapt to various grass heights. You can adjust the height of gas push mowers as...
PowerSmart Lawn Mower Gas Powered, 18-Inch 144cc Engine 3-in-1 Walk-Behind Push Lawn...
- Built For Efficiency: The 144cc 4-cycle OHV engine equipped with recoil starter and auto choke for easy start, delivers maximum efficiency in this class of mower.
- 3-IN-1: Push mower feature offers bagging, side-discharge and mulching capabilities for multiple uses. Easy-to-empty Rear bag collects grass clippings and leaves for easy clean up or composting.
- Mowing Quality: The 18-inch durable steel deck and the heavy blade provide ultra fine cuts and small clippings, while a vortex tunnel design disperses grass clippings evenly.
- Easy To Adjust and Maneuver: The 6-position dual lever height adjustment grass cutting height from 1.5 inches to 3.9 inches, and the durable 7-inch wheels provide easy maneuverability in tight spaces.
PowerSmart Self Propelled Gas Lawn Mower, 22 in. with 170cc OHV Engine Rear-Wheel-Drive...
- 170CC GAS ENGINE - Equipped with a recoil starter and auto choke, this gas engine is designed to deliver more power for improved cutting efficiency and easy start.
- SELF-PROPELLED RWD SYSTEM - A rear-wheel-drive system provides great traction on inclined slopes and is suitable for uneven terrain.
- 22-INCH CUTTING DECK: Durable 22 in. all-steel deck with heavy-duty blade is built to last for durability season after season.
- BAGGING COLLECTION: The 1.4-bushel rear bag collects more clippings for easy clean up or composting, is easy to empty, saving you time and effort.
Last update on 2025-05-24 / Affiliate links / Images from Amazon Product Advertising API
Types of Gas Lawn Mowers Under $400
| Type | Best For | Features |
|---|---|---|
| Push Gas Mower | Small to medium lawns | Lightweight, easy to maneuver, more affordable |
| Self-Propelled Gas Mower | Medium to large lawns | Reduces effort, easier to push, adjustable speeds |
| Mulching & Bagging Mower | Those who want yard waste control | Mulching function, rear bag for clippings, side discharge option |
Smart Tips For Choosing The Right Gas Lawn Mower
Choosing the best gas lawn mower under $400 means balancing power, cutting ability, and convenience. Here’s what to consider:
- Engine Power: Look for at least a 140cc to 170cc engine for effective cutting power. More power helps tackle thick grass with ease.
- Cutting Width: A 20 to 22-inch cutting deck is ideal for covering more ground in fewer passes.
- Push vs. Self-Propelled: Push mowers are more affordable, but self-propelled models make mowing easier, especially on uneven terrain.
- Height Adjustments: Choose a mower with multiple height settings (usually 5-7) for flexibility in cutting different grass lengths.
- 3-in-1 Functionality: Some models offer mulching, bagging, and side discharge options for better lawn maintenance.
- Fuel Efficiency & Maintenance: Look for low-maintenance engines with easy-start technology to avoid frustration when starting the mower.
FAQs About Gas Lawn Mowers
Are gas lawn mowers under $400 durable?
Yes! Many budget-friendly gas mowers have steel decks and reliable engines that last for years with proper maintenance.
Is a self-propelled mower worth it?
If you have a large lawn or hilly terrain, a self-propelled mower makes mowing much easier and reduces fatigue.
How often should I change the oil in a gas lawn mower?
Most gas mowers require an oil change every 25-50 hours of use or at least once per mowing season.
Can I use regular gasoline in a gas lawn mower?
Most gas mowers use unleaded gasoline with an octane rating of 87 or higher. Avoid ethanol blends over 10% (E10) to prevent engine issues.
A high-quality gas lawn mower under $400 can give you the power and performance needed for a clean, well-manicured lawn. Pick one that fits your yard size and mowing needs, and enjoy effortless lawn care!