The Best Petrol Lawn Mower 2020

Although a petrol lawn mower is more expensive than the electric powered alternative, it is still the more desirable of the two. The extra power and no power cable make it the best option when it comes to cutting grass for large gardens that are not near a power supply.

Best Petrol Lawn Mower

The petrol lawn mower is an essential tool for those that are tackling large gardens. Even the best electric lawn mower alternatives have the drawback of requiring a power supply, which is not always possible. Petrol mowers also have the benefit of having more power and if they are self-propelled, they are far easier to use too.

The best petrol lawn mower is the Hyundai HYM510SPE, which uses a 4 speed self propelled drive system and a powerful 173 cc engine to effortlessly cut grass.

Power is the main reason for choosing a petrol lawn mower as it makes grass mowing easier and increases the chances of a better cut. You will want to ensure that you choose a lawn mower that meets your requirements. For example, you need to factor in the size of the yard, any hills or slopes and how easy it is to push the lawn mower.

Best Petrol Lawn Mower

Petrol Lawn MowerTypeCutting Width
Hyundai HYM510SPESelf Propelled510 mm
Murray EQ 700XSelf Propelled510 mm
Flymo XL500Hover510 mm
Mountfield HP41Push390 mm
McCulloch ClassicPush400 mm

When deciding upon a lawn mower, you have three main options to choose from. These include petrol or electric powered motors and the more modern cordless lawn mower, which is powered by a rechargeable battery.

The best option for many is the petrol powered motor due to the “free to roam” method of cutting your grass. You also do not need to worry of running over a power cable or waiting hours to recharge a battery.

Below is a list of the best petrol lawn mowers that are powerful, easy to use and suitable for small or large gardens.

Hyundai HYM510SPE Self Propelled Petrol Lawn Mower

The self propelled petrol lawn mower by Hyundai follows their excellent reputation for reliability and value for money. The HYM510SPE model is powered by a 4 stroke 173 cc engine, which returns excellent fuel economy.

It is a self propelled petrol lawn mower where power is sent to the rear wheels with 4 variable speeds.

Other features of the Hyundai HYM510SPE include:

  • Push to start button
  • 6 cutting heights ranging from 25 to 75 mm
  • Side discharge chute
  • 510 mm cutting width
  • 70 litre grass collector
  • Tool free assembly
  • Includes a 3 year warranty

The powerful 173 cc engine with a 51 cm cutting width makes it perfect for medium to large gardens. Features such as the push to start button and grass level indicators are a great addition and really add to the usability of the lawn mower.

Compared with petrol lawn mowers with a similar specification, the HYM510SPE offers great value for money and is definitely worth the price tag.
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Murray EQ 700X Petrol Lawn Mower

The Murray EQ 700X is another high performing lawn mower that uses the popular Briggs & Stratton DOV engine. It has a displacement of 161 cc that uses a self propelled single speed drive system for effortlessly cutting grass.

Murray also offer alternative versions of this model that use smaller engines but the EQ 700X is the best option.

Other features of the Murray EQ 700X Lawn Mower include:

  • 510 mm cutting width
  • Engine starts without manually priming
  • Height is adjusts to 6 positions ranging from 28 to 92 mm
  • 70 litre grass catcher
  • Ergonomic handle bar that can be adjusted in 3 positions
  • Suitable for medium sized gardens
  • Includes a 2 year warranty

Overall, it is an excellent all-round self propelled petrol lawn mower that is perfect for medium sized lawns. It is very similar to the Hyundai HYM510SPE model above but lacks the variable speed drive system.
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Flymo XL500 Petrol Hover Mower

Flymo is one of the largest brands in the gardening industry and for good reason. The XL500 by the brand uses the reputable Honda 4 stroke engine, which has the largest displacement within this article at 160 cc.

Unlike the alternatives, the Flymo XL500 is a hover mower, which works by creating a cushion of air between the lawn mower and grass. Therefore, if you want to create stripes upon your lawn, the Flymo XL500 is not for you.

Features of the Flymo XL500 Petrol Hover Mower include:

  • 4 stroke 160 cc petrol engine
  • 510 mm cutting width
  • 3 cutting heights ranging between 10 to 30 mm
  • Suitable for large gardens
  • Designed for semi-professional use
  • Includes a two year warranty

For those that often have to cut grass upon a wet lawn, the choice of lawn mower is vital. Choosing a hover mower instead of the rotary alternative will allow you to cut grass without sinking into the ground. The Flymo XL500 is the best petrol hover mower for the job and will not disappoint.

The only drawback is the expensive price tag. However, when you consider that it uses the highly reputable Honda engine, it is worth paying the extra.
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Mountfield HP41 Petrol Rotary Lawn Mower

Mountfield is a popular gardening brand that is loved by enthusiasts in the UK. The HP41 model is a rotary lawn mower but they also offer a self propelled model but with a more expensive price tag.

You can also opt for a larger engine with the choice of a 100 cc or 125 cc displacement. However, if you are on a tight budget, the the smaller engine is more than ideal.

Features of the Mountfield HP41 Rotary Lawn Mower include:

  • 39 mm cutting width
  • Hand propelled
  • Recoil rope system startup
  • 5 height position that range from 25 to 70 mm
  • 40 litre grass collector
  • Corrosion free polypropylene cutter deck

Overall, if you require a petrol powered rotary lawn mower at an affordable price, the Mountfield HP41 is a great option. You will be required to assemble it upon arrival but its relatively simple compared to some of the alternatives.
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McCulloch Classic Petrol Push Lawn Mower

McCulloch are a reputable brand and their petrol lawn mower is an affordable alternative. It uses a fuel efficient 120 cc engine that is both powerful and fuel efficient. It is more suited to a small garden as it is lightweight and uses a smaller collection bag.

Other features of the McCulloch M40-120 Classic include:

  • Steel cutting deck
  • 400 mm cutting width
  • Foldable handles for easy storage
  • Rear discharge collection with a 50 litre grass bag
  • 5 adjustable cutting heights that range from 20 to 75 mm

Overall, the McCulloch M40-120 Classic is a cheap petrol lawn mower for small gardens that can be easily pushed on the lawn. It does lack some features found on the premium alternatives but the affordability and reliability make it a great option for those with a small garden.
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Petrol Lawn Mower Buying Guide

Petrol lawn mowers have been the go-to choice for many people for years. They allow you to freely roam without the worry of finding a power supply or finishing the job before the battery runs out.

If you have a medium to large garden with banks or slopes, investing into a petrol powered mower is a great investment. The additional power allows you to get a far better cut with very little effort. They are also known for being far more durable than the alternative types too.

To help you make an informed buying decision, we have produced the below guide regarding petrol lawn mowers.

Best Petrol Lawn Mower For Large Gardens

Electric vs Petrol Powered

Choosing between an electric or a petrol lawn mower is a difficult choice as they each have benefits and drawbacks. The benefits of using a petrol powered mower include:

  • Free to roam without being tied to a power supply
  • No risk of cutting through a power cable
  • No need to constantly move the power cable out of the way
  • More readily available power
  • More durable

However, they do have drawbacks that include:

  • Much heavier
  • Usually more expensive
  • Harder to push without being self propelled
  • Requires petrol to run and servicing
  • Much noisier

The other alternative that can also be considered are the cordless battery powered mowers. These remove the hassle of a power cable but instead have the drawback of having to remember to charge the battery. There is nothing worse than getting halfway through cutting the lawn and then running out of battery.

For tackling medium to large gardens, the petrol lawn mower is the best option.

Push vs Self Propelled Petrol Lawn Mower

Cutting your lawn can become fairly tiresome for those with medium to large gardens. To help reduce fatigue, many manufacturers offer a self propelled lawn mower with some premium examples having multiple speeds to choose from.

Push mowers are the cheapest option and are ideal for flat gardens under half an acre. However, the ease of using a self propelled lawn mower is highly desirable as they push themselves with power usually being sent to the rear wheels.

For tackling gardens large gardens, they are perfectly fine but for multiple acres of grass, you would probably require a ride on lawn mower.

Best Self Propelled Petrol Lawn Mower

The Engine

Petrol powered engines that are used in lawnmowers have improved massively over the years. Improvements include a reduction in fuel consumption, lower levels of noise and less emissions.

Older petrol lawn mowers were mostly 2 stroke engines but due to emissions they have been phased out. The majority of petrol lawn mowers use 4 stroke engines, which have the benefit of not having to mix oil and improved fuel economy.

The majority of petrol engines will have a displacement between 100 cc and 200 cc. The larger engines will usually output additional power, which will allow you to effortlessly cut grass.

Cutting Width and Height

Due to the extra power that comes with a petrol lawn mower, you are able to cut grass easier using a wider pass. For large gardens in particular, you will want to be as efficient as possible. Therefore opting for the widest opening possible will help speedup the cutting the task of mowing your lawn.

However, if you have a relatively small garden with lots of curves, it would be advised to go for a smaller width.

Grass Collection

Although not essential, most lawn mowers will come with a grass collection container. This is either constructed of a lightweight mesh material or a plastic container. Depending on the size of your garden, you will want to choose the appropriately sized grass collector.

If you prefer to not collect the cut grass, some lawn mowers have the functionality known as mulching. In short, the lawn mower cuts the grass even further into even smaller pieces, which is then outputted back onto the grass. This has the added benefit of keeping the grass green and healthy but also avoiding the task of emptying the grass collector.

Starting System

Some petrol engines have integrated an electric start button to get the the engine up and running. However, not every lawn mower will have this feature and they may use a recoil start system, which may not be suitable for some people.

Best Value Petrol Lawn Mower

Maintenance Tips

One factor that some people worry about regarding petrol powered mowers is the maintenance that comes with them. However, it really isn’t too bad and it will only ever need servicing once every season depending upon usage.

Below are serving tasks that you should carry out after every season:

  • Change oil
  • Replace fuel filter
  • Replace spark plug
  • Clean cooling system

Unlike a car engine, serving your lawn mower is far easier and can be completed within a hour. Before using the petrol lawn mower, you should always check the oil level beforehand. It will take less than 30 seconds to check and avoids any expensive damage. Briggs & Sratton have an excellent guide that goes through each step in detail.


Petrol lawn mowers are highly desirable for many due to their powerful engines and durability. However, the main benefit is the fact that you are able to roam freely without having to worry about battery charge or a power supply.

All of the recommendations within this article cover a range of different types of lawn mowers and budgets. Before purchasing, we strongly recommend that you ensure the lawn mower you choose meets your requirements.

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