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
- POWERED BY A RELIABLE B&S ENGINE: Equipped with a powerful 140cc B&S engine, known for its smooth start-up, consistent performance, and long-term durability—ideal for tough mowing jobs.
- 21-INCH CUTTING WIDTH FOR HIGH EFFICIENCY: The robust steel deck covers a wide 21-inch path, reducing mowing time and making it perfect for medium to large yards.
- Auto Choke Engine - 5.8 ft.lb torque 144cc 4-stroke OHV engine with no primer, no choke starting.
- Cutting Height - 8-position single lever four-wheel synchronized height adjustment from 0.7" to 3.2".
- RELIABLE ENGINE: USA made Briggs and Stratton E550 140cc engine equipped with Prime 'N Pull for easy starting, delivers reliable power and low noise.
- 21-INCH STEEL DECK: Rugged all-steel deck is built to last, and 21 in. superior mulching blade helps you finish mowing faster.
- Gas Powered Engine: A 144cc 4-cycle OHV engine equipped with recoil starter and auto choke for easy start, delivers strong power.
- 3-in-1 Steel Deck: All-steel deck built to last, combine mulching, bagging, and side-discharging capabilities in 1.
- Exclusive and industry-leading CVT (Continuously variable transmission) offers superior speed variability to adjust the mower pace to your walking speed by simply selecting the 6-speed shift...
- Exclusive rubber tires with aggressive spike tread pattern significantly increases overall traction and maneuverability
Last update on 2025-07-28 / 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!