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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
- Gas Powered Engine: A 144cc 4-cycle OHV engine equipped with recoil starter and auto choke for easy start, delivers strong power.
- 2-in-1 Steel Deck: All-steel deck built to last, combine mulching and bagging capabilities in 1.
- Powerful & Efficient OHV 144cc Engine: Equipped with a robust 4-stroke OHV 144cc engine, this lawn mower delivers unmatched performance and reliability, ensuring a clean and efficient cut every...
- Versatile 3-in-1 Cutting System: Choose between mulching and side discharge options to suit your lawn care needs. Mulching finely chops grass clippings to enrich your soil, while side discharge...
- HIGH-PERFORMANCE: 170CC OHV Engine with forced air cooling tackle dense or tall grass easily with a 4-stroke OHV engine featuring a forced air-cooling system for consistent and reliable operation.
- SELF-PROPELLED & EASY TO HANDLE DESIGN: The self-propelled drive and foldable handle make operation smoother and storage easier, especially for first-time users.
- Powerful & Easy-Start Gas Engine: Get going quickly with the reliable 144cc 4-stroke OHV engine on this gas lawn mower. Features a convenient primer button for simplified cold starts, delivering...
- 8-Position Cutting Height: Achieve your ideal lawn with the single-lever, 4-wheel synchronized adjustment! This 20-inch gas mower offers 8 precise height settings (0.7" to 3.2") for versatile turf...
- Effortless Power for ½ Acre Yards- Experience gas-like performance without the hassle—35 minutes of continuous runtime from a single 4.0Ah battery (full charge in 2 hours). Perfect for small to...
- Ultra-Lightweight Design (35% Lighter)- 16" cutting deck with ergonomic handles and push-button start makes maneuvering effortless—ideal for users prioritizing comfort and ease of storage.
Last update on 2026-02-08 / 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!


