For maximum runtime and traditional power, a fuel-engine mower remains a robust choice for many. If you’ve got a larger or more unruly yard, the raw torque of a petrol lawn mower is hard to beat. You just pull the cord and your off, with no battery anxiety to hold you back. It’s the classic, get-it-done tool.
But let’s face it, not all gas mowers are created equal. Picking the right one means balancing power, ease of use, and reliability. We’ve put a leading model through it’s paces to see if it delivers that legendary performance without the legendary hassle.
Product Comparison Table: 9 Best Petrol Lawn Mower
| Image | Why We Like This Product | Editor’s Rating | |
![]() |
Greenworks 40V 16″ Cordless Lawn Mower, Ultra-Light Push Mower…
|
9.5 |
Read Review |
![]() |
Greenworks 40V 21″ Self-Propelled Cordless Lawn Mower – Brushless…
|
9.3 |
Read Review |
![]() |
American Lawn Mower Company 1204-14 14-Inch 4-Blade Push Reel…
|
9.2 |
Read Review |
![]() |
MZK 20V 13″ Electric Lawn Mower, Brushless Cordless Lawn…
|
9.0 |
Read Review |
![]() |
LawnMaster MEB1114K Electric Corded Lawn Mower 15-Inch 11AMP
|
8.8 |
Read Review |
![]() |
LawnMaster LMRM1801 Push Reel Lawn Mower 18-Inch 5-Blade
|
8.6 |
Read Review |
![]() |
SENIX 20″ Gas Lawn Mower, 144 cc Gas Powered…
|
8.4 |
Read Review |
![]() |
PowerSmart Gas Lawn Mower 21-Inch 144cc OHV Engine 3-in-1…
|
8.3 |
Read Review |
![]() |
Greenworks 60V 17″ Brushless Cordless Push Lawn Mower, 2-in-1…
|
8.1 |
Read Review |
Quick Review For Top 9 Petrol Lawn Mower
Greenworks 40V 16" Cordless Lawn Mower, Ultra-Light Push Mower with 4.0Ah Battery & Charger(75+ Tool Compatibility, 45Min Runtime)

The Greenworks 40V 16″ Cordless Lawn Mower is designed for homeowners who want a simpler, cleaner way to care for their lawn. If you have a yard up to about a half acre, this mower offers a compelling blend of power and convenience, freeing you from the mess and maintence of gas equipment.
At its core, this mower delivers gas-like performance without any of the typical headaches.
It’s powered by a 40V 4.0Ah lithium-ion battery that provides up to 45 minutes of continuous runtime on a single charge—enough to cover a typical medium-sized lawn. The battery recharges fully in about two hours. You’ll never have to buy gas or oil again, change a spark plug, or deal with frustrating pull-starts. Instead, you get a quiet, push-button start and operation so quiet you can mow early without disturbing your neighbors.
It’s estimated you can save over $200 a year compared to running a gas mower, which adds up quickly.
One of the most noticable features is its weight. This mower is built with an ultra-lightweight design, making it about 35% lighter than many standard cordless mowers. Combined with its 16-inch cutting deck and ergonomic handles, it’s exceptionally easy to push, turn, and maneuver around obstacles or up slight slopes.
Greenworks 40V 21" Self-Propelled Cordless Lawn Mower – Brushless Motor, 5.0Ah Battery & Charger(75+ Tool Compatible)

The Greenworks 40V 21″ Self-Propelled Cordless Lawn Mower is designed to simplify your lawn care routine without the hassles of a gas mower. It’s a complete system that gives you the freedom to mow cordlessly, with plenty of power to get the job done right.
At its heart is a brushless motor that provides the torque you need for a clean cut, even in thicker grass.
This motor is not only durable but also significantly quieter than traditional gas engines—about three times quieter, which is a nice benifit for you and your neighbors. You get longer runtime from the included 5.0Ah battery, and the whole operation is much more peaceful.
Mowing itself is made effortless with the self-propelled feature. The rear-wheel drive provides excellent traction, and you can adjust the speed with a simple dial to match your walking pace.
This is especially helpful on hills or uneven parts of your yard, reducing fatigue and giving you better control. And if your schedule demands it, the bright LED headlight lets you start early or finish late without sacrificing visibility.
This mower adapts to your lawn’s needs with its 4-in-1 versatility. You can choose to mulch clippings back into the soil for nutrients, bag for a clean finish, use the side discharge, or even engage a turbo mode for picking up leaves and debris.
American Lawn Mower Company 1204-14 14-Inch 4-Blade Push Reel Lawn Mower, Red

The American Lawn Mower Company 1204-14 14-Inch Push Reel Mower is a manual, people-powered tool designed for maintaining smaller lawns. It’s a classic, straightforward approach to lawn care that forsakes gas engines and electrical cords for simple mechanical action. At its core, this mower is about getting back to basics with a design that is both effective and incredibly simple to manage.
This model features a 4-blade reel mechanism with a 14-inch cutting width.
The reel design is key; it uses a scissor-like action to cleanly slice through grass blades, which is gentler on your lawn than the tearing action of some rotary mowers. This can promote healthier grass growth. The cutting height is adjustable from half an inch up to 1.75 inches, giving you control over your lawn’s length. It’s important to note it works best when you mow frequently, cutting no more than a third of the grass height at a time.
It can handle grass up to about 4 inches tall, but performance is better on regularly trimmed lawns.
Weighing only 19 pounds, this mower is exceptionally lightweight and easy to push. Its maneuverability is aided by durable 8.5-inch polymer wheels that roll smoothly. This makes it a great option for yards with tighter corners or gentle slopes where a heavier mower would be a burden.
MZK 20V 13" Electric Lawn Mower, Brushless Cordless Lawn Mower with 4-Position Height Adjustment, Walk-Behind Push Mowers with 8 Gallon Grass Bag, 2 x 4.0Ah Batteries & Charger Included, LM13B8, Red

The MZK LM13B8 20V 13″ Cordless Lawn Mower is designed to make maintaining your yard a straightforward and less strenuous task. It’s a self-contained system that comes with two 4.0Ah batteries and a charger, so you can start mowing right out of the box without worrying about gas, oil, or a power cord. This focus on convenience is at the core of its design. At the heart of this mower is a brushless motor. This type of motor is known for its efficiency and durability.
It draws power intelligently from the batteries, which helps to extend your runtime on a single charge. You’ll likely get through a typical suburban lawn without needing to swap batteries. Plus, brushless motors have fewer wearing parts, meaning there’s less maintenance for you to think about over the long term. It’s a set-it-and-forget-it kind of feature that provides consistent power. The 13-inch cutting deck is a practical size for most yards.
It’s wide enough to reduce the number of passes you need to make compared to smaller mowers, saving you time and effort. The attached 8-gallon (30-liter) grass bag has a generous capacity, so you can collect a lot of clippings before you need to stop and empty it. This combination helps you finish the job more quickly. You have good control over your lawn’s appearance with four simple cutting height settings. You can adjust the blade from 1.2 inches up to 1.5 inches.
LawnMaster MEB1114K Electric Corded Lawn Mower 15-Inch 11AMP

The LawnMaster MEB1114K Electric Corded Lawn Mower is a straightforward tool designed for maintaining smaller to medium-sized lawns. It’s core appeal lies in it’s simplicity and effectiveness, offering a practical solution without the complexities of gas engines or battery management.
You get a capable 11AMP motor that delivers 3,300 RPM, providing enough power to cut through standard grass with a 14-inch swath each pass. This makes quick work of regular mowing tasks.
Since it’s corded electric, operation is simple: just plug it in. There’s no need to handle gasoline, deal with fumes, or remember to charge a battery. It’s a consistently ready option that runs as long as you have power, which many find to be a reliable and low-maintenance approach.
Adjusting your lawn’s look is easy with five distinct cutting height settings. You can choose a length anywhere from a shorter 1.4 inches up to a taller 3 inches.
This lets you adapt to seasonal growth or simply prefer a lusher lawn. Changing between these settings is a simple, manual process done at each wheel.
Maneuverability is a key feature here. The mower incorporates larger 7.75-inch rear wheels that help it roll smoothly over ground variations and make turning less of a chore. Combined with a total weight of just 28 pounds, pushing and guiding this mower is noticeably easy, reducing fatigue during your yard work.
LawnMaster LMRM1801 Push Reel Lawn Mower 18-Inch 5-Blade

The LawnMaster LMRM1801 Push Reel Lawn Mower 18-Inch 5-Blade is a straightforward tool for maintaining a smaller, healthy lawn. It’s a manual mower, which means it operates entirely on your power. There’s no engine to start, no gas to buy, and no batteries to charge. This makes it a quiet, eco-friendly option that gives you a workout while you care for your yard. Its main advantage is the scissor-like cut.
Instead of a single spinning blade that can rip grass, the five steel blades on a reel pass against a fixed bar, cleanly shearing each blade. This results in a cleaner cut that’s better for the health of your grass, helping it to resist disease and retain moisture. You’ll notice a difference in how your lawn looks and feels underfoot. This mower is specifically designed for small lawns. Its 18-inch cutting width is manageable, and the large 10-inch front wheels make it highly maneuverable.
You can easily guide it around tight corners, garden beds, and trees without struggling. It’s much simpler to handle than bulkier motorized mowers in confined spaces. You have good control over your lawn’s appearance with nine cutting height positions. You can adjust the cut from a short 1.1 inches up to 2.5 inches. This lets you customize the length based on the season or your preference, perhaps leaving it longer during hot, dry spells.
SENIX 20" Gas Lawn Mower, 144 cc Gas Powered Lawnmower, 4-Cycle Engine Walk-Behind Push Lawn Mowers, 3 Position Height Adjustment for Yard and Garden, cortadora de pasto

The SENIX 20″ Gas Lawn Mower is designed for homeowners who need reliable power to tackle their yard work. With a 144 cc 4-cycle engine, this mower provides the consistent torque needed to cut through thick grass and handle gentle slopes without bogging down. It’s built for efficiency, letting you complete your mowing tasks quicker so you can get on with your day. A key feature is the 20-inch cutting deck.
Compared to smaller 16-inch models, this wider path means you cover more ground with each pass. You’ll make fewer laps around your property, which significantly reduces your mowing time, especially in larger or open yard areas. The mower also features a simple 3-position height adjustment lever.
You can easily set the cutting height from a low 1.35 inches up to 3.15 inches to suit your lawn’s condition and your personal preference, whether your grass is short and manicured or you need to leave it a bit longer during dry spells. Maneuverability is enhanced by its 7-inch front and rear wheels. This balanced wheel size improves stability and roll-over capability, making it easier to push across uneven ground, from bumpy patches to those slightly rugged slopes.
PowerSmart Gas Lawn Mower 21-Inch 144cc OHV Engine 3-in-1 Push Mower with Bagging

The PowerSmart Gas Lawn Mower 21-Inch 144cc OHV Engine 3-in-1 Push Mower with Bagging is built for homeowners who need reliable power and versatility for a medium to large sized yard. Its core is a 144cc 4-cycle overhead valve engine. This OHV design is more efficient and durable than older engine types, and it’s paired with features like an auto-choke and recoil starter to make getting it running straightforward, even if you’re not a mechanic.
You get consistent power to tackle thick grass without the fuss of a battery or the restriction of a cord. The mower’s 21-inch cutting path is a standard size that balances coverage and maneuverability. The heavy-duty steel blade underneath is designed to create a strong airflow for a clean cut. This means you can mow more of your lawn in fewer passes, saving you time on your weekend chores. You have full control over the final look with the dual-lever height adjustment system.
With six positions ranging from 1.5 inches to 3.9 inches, you can choose a short, manicured cut or leave it longer for healthier grass during hot, dry spells. The levers on each wheel are easy to set, ensuring an even cut across the whole deck. A major highlight is the all-steel 3-in-1 deck. This isn’t just about durability; it’s about giving you options for every mowing situation.
Greenworks 60V 17" Brushless Cordless Push Lawn Mower, 2-in-1 Mulching/Bagging, 4.0Ah Battery and 3A Charger(40min Runtime)

The Greenworks 60V 17″ Brushless Cordless Push Lawn Mower is designed to simplify your lawn care routine without the hassle of gas, oil, or a power cord. It’s a self-contained system that comes ready to use with its 4.0Ah battery and a 3A fast charger right in the box. You get up to 40 minutes of runtime on a single charge, which is enough for a typical suburban yard, and the battery recharges fully in about 80 minutes.
This means you can often mow your entire lawn in one session or quickly top off the charge if you need to finish up.
At the heart of this mower is an advanced brushless motor. This technology is key because it delivers more power from the battery to the blade, giving you consistent cutting performance even in thicker grass. The brushless design also means the motor has fewer parts that wear out, so it runs cooler and lasts longer over the mowers lifetime.
It’s a reliable workhorse that starts with the simple push of a button, every time.
You have full control over your lawns look with the versatile 2-in-1 function. You can choose to mulch the clippings, which returns nutrients back to the soil, or you can attach the included rear bag for a clean, collected finish. The cutting height is easily adjustable across six positions, from a short 1.5 inches up to 3.15 inches, so you can adapt to the season or your preferred grass length.
Petrol Lawn Mower Buying Guide
A petrol mower delivers consistent power for demanding or prolonged mowing sessions. It’s the go-to choice for larger lawns, tough grass, or areas without a handy power outlet. But with great power comes a few more considerations compared to an electric model. This guide will help you pick the right one for your garden.
Engine Size and Power
Think of engine size (measured in cc, or cubic centimeters) as the mower’s muscle. For a small to medium flat lawn, a 125-140cc engine is usually sufficient. If you have a larger plot, uneven ground, or regularly let the grass grow a bit too long, look for 140cc and above. More power means it can handle thicker growth without stalling, making your job quicker and easier.
Cutting Width and Deck
The cutting width determines how much grass you cut in one pass. A wider deck (e.g., 50cm) covers more ground faster than a narrower one (e.g., 40cm). Consider the size of your lawn and any tight spaces you need to navigate. A steel deck is durable and robust, while a polymer one is lighter and resists rust—a good option if you store your mower outside.
Drive System
Do you want to push, or be pushed? A basic push mower requires you to provide all the effort, which can be tiring on slopes or large areas. A self-propelled model drives itself forward; you just guide it. This is a game-changer for bigger or hilly gardens. It costs more, but your back will thank you after every mow.
Grass Collection and Disposal
How do you want to deal with the clippings? Most mowers come with a rear collection bag that you’ll need to empty regularly. Some offer a mulching function that finely chops clippings and returns them to the lawn as a natural fertiliser. A side-discharge chute is useful for cutting very long grass before collection. Consider which system best suits your routine and lawn care goals.
Frequently Asked Questions About Petrol Lawn Mower
What are the main advantages of a petrol mower?
Petrol mowers give you total freedom. You don’t have a cord to manage, so you can cover large or uneven lawns easily. They also tend to have more power than electric models, which is great for tough, overgrown grass.
Are they difficult to start and maintain?
They can be a bit more work. You’ll need to pull a starter cord, and older models might need a few pulls. For maintenance, you must change the oil and air filter, and use fresh fuel with a stabilizer. It’s not hard, but it’s essential for keeping it running smooth.
How loud are petrol mowers?
They are significantly louder than battery or electric mowers. You’ll definately want to wear hearing protection for yourself and be mindful of your neighbors when you choose your mowing times.
What should I look for in engine power?
Look at the engine’s cubic centimeter (cc) rating. A higher cc means more power. For a small, flat lawn, 140cc might be enough. For a larger yard with slopes or thick grass, look for 160cc or more to handle the job without straining.
Is the cutting width important?
Yes, it determines how quickly you finish. A wider deck (like 22 inches instead of 20) means fewer passes over your lawn. Choose a width that feels manageable for your garden’s layout and any tight spaces you need to navigate around.
How do I store it for the winter?
This is crucial. You should either drain the fuel tank and carburetor completely, or add a fuel stabilizer to a full tank and run the engine for a few minutes. This prevents old fuel from gumming up the engine, which is a common cause of starting problems later.
Are they more expensive to run than electric?
In the long run, yes. You have ongoing costs for petrol and engine oil. Battery mowers just need electricity to recharge, which often costs less. But for big jobs, the power and runtime of petrol is hard to beat.
One Last Look
When consistent power for large or tough jobs is needed, a dependable petrol engine remains the benchmark choice. It gives you the freedom to tackle any yard without worrying about a cord or a battery running out halfway through. You get the job done in one go, no matter how thick the grass or how uneven the ground. That reliability is hard to beat.
For many homeowners, that sense of assured performance makes the decision clear. If your property demands serious cutting power and total runtime freedom, a well-chosen petrol lawn mower is a robust and effective partner for your garden care. Just remember to keep up with basic maintenance like fresh fuel and the occasional oil change to ensure it starts easily and runs smoothly for seasons to come.








