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Best Petrol Lawn Mower for Large Gardens

It’s really nice to have a large expanse of garden to enjoy, and maintaining it doesn’t have to be a chore, rather it’s a chance to get some fresh air and bask in the little but large space you get to call your own.

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A petrol lawn mower is a good choice for a large garden, and there are several features of lawn mowers that can make light work of mowing your lawn. We’ve looked at the best petrol lawn mowers out there on the market today, and evaluated them for you.

We present you with reviews of our handpicked Top 5 petrol lawn mowers, looking at how well suited they are for large gardens.

Following that we also have a buying guide for you, covering everything you might want to think about before buying your petrol lawn mower.

In a hurry? This is our winner!

Our rating:
Webb Supreme WER18HP Hand Push 4 Wheel Petrol Rotary Lawnmower with 7 Cutting Heights, 46cm Cutting Width and 60L Collection Bag
  • POWERFUL FOUR WHEEL MOWER FOR MEDIUM AND LARGE LAWNS – designed to handle rough grass and uneven lawns, this strong, metal-bladed rotary mower effortlessly cuts a 46cm swathe over all types of terrain
  • QUIET, SMOOTH. RELIABLE ENGINE – the 450 E Series engine in this 45cm lawnmower is made by the famous US manufacturer Briggs & Stratton to give dependable performance, lower noise levels, less vibration, fewer emissions and reduced fuel costs
  • 7 CUTTING HEIGHTS AND 3 WAYS TO DISPOSE OF CLIPPINGS – simply raise the single lever to lower the blade for cutting all lengths of grass from 25mm to 75mm. Cuttings can be collected, mulched into fine pieces or simply ejected onto the grass

Best Petrol Lawn Mower for Large Gardens – Comparison Table

Best Petrol Lawn Mower for Large Gardens – Reviews

Our Winner

Webb Supreme WER18HP Hand Push 4 Wheel Petrol Rotary Lawnmower with 7 Cutting Heights, 46cm Cutting Width and 60L Collection Bag

Webb Supreme WER18HP Hand Push 4 Wheel Petrol Rotary Lawnmower with 7 Cutting Heights, 46cm Cutting Width and 60L Collection Bag
Our rating:

This lawn mower from Webb has earned the hard to come by title of “Amazon’s Choice for Petrol Lawn Mowers”. Such awards are only given to one item in each category and are afforded according to a combination of good quality and good pricing.

There’s a lot to love about this lawn mower, and this is verified by the very positive customer feedback.

It has a nice big working width, coming in at 46 cm, meaning you get a larger area covered in a shorter space of time.

It sports a powerful engine which comes in at 125cc, which is sufficiently powerful for mowing a large garden, even when the grass is wet, thick or overgrown.

It’s described as a 3 in 1 lawn mower which refers to how you can set it to either discharge the cut grass at the rear of the machine, or collect it, or mulch it. And when you set it to collect, it can collect up to 60 litres of cut grass before you have to empty it. Great for large gardens.

Another thing we love about it is how there’s not one, not two, but 7 different settings for cutting heights. You can choose to leave fairly long length, to keep the grass looking luscious, or cut it really short, so you won’t have to mow it again for a good while.

It’s designed to be durable, with a steel chassis and top-quality bearing-mounted wheels.

It comes with a 2 year warranty, so you know you’re going to get a decent lifespan out of it.

Pros
  • Amazon’s Choice for Petrol Lawn Mowers
  • Very positive customer feedback
  • Excellent value for money
  • Big working width, coming in at 46 cm
  • Powerful engine coming in at 125cc
  • Discharge, collect, or mulch the grass
  • Collect up to 60 litres of grass at a time
  • 7 different settings for cutting heights
  • Designed to be durable
  • 2 year warranty
Cons
  • Premium product at a premium price

Hyundai Petrol Roller Mowers (48cm Cut - Recoil Start - HYM480SPR)

Hyundai Petrol Roller Mowers (48cm Cut - Recoil Start - HYM480SPR)
Our rating:

If you think Hyundai makes good cars – you can bet they make good lawn mowers as well!

If money were no object this is hands down the one to go for.

It features a powerful engine, coming in at 139cc, and is entirely self propelled, you need only to guide it where you want it to go. But don’t worry, if you let go of the handle the engine will stop, it won’t run havoc on you.

It has a great cutting width, reaching to 48cm, perfect for mowing large gardens. And it will collect a whopping 70 litres of cut grass before the grass bag needs emptying. And less time emptying means more time for mowing, making quick work for you. There’s even a neat little indicator which lets you know when the bag is getting full.

There are 5 different cutting heights to choose from, by simply moving a lever, you can cut the grass to as short as 17mm high, which is really short, or as long as 75mm. And it leaves your lawn with gorgeous luxury stripes, thanks to it’s ribbed rear roller.

It comes with a bottle of petrol thrown into the total price, but don’t imagine you’ll use it all in your first mow, the machine features low fuel consumption.

The handles can be folded forward when not in use, making storage a dream. And it’s easy to clean too.

We love that it even features cup holders, a great way to keep hydrated as you mow!

As you’d expect from a good established brand, it comes with a lengthy warranty, in this case totalling 3 years from date of purchase.

Pros
  • Fantastic brand
  • Powerful engine, 139cc
  • Entirely self propelled
  • Great cutting width, 48cm
  • Collects 70 litres of cut grass a time
  • Grass bag level indicator
  • 5 different cutting heights
  • Gorgeous luxury stripes
  • Bottle of petrol included in price
  • Low fuel consumption
  • Handles can be folded forward for storage
  • Easy to keep clean
  • Features cup holders
  • Lengthy 3 year warranty
Cons
  • Premium product at a premium price – only for those with a large budget

Mountfield SP46 Elite Petrol Self Propelled Lawnmower

Mountfield SP46 Elite Petrol Self Propelled Lawnmower
Our rating:

Here’s another great petrol lawn mower from Mountfield SP46, which seems to be quite a prevalent brand in lawn mowers.

It comes in at under £300 in price, which is really good value for money for a self propelled petrol lawn mower – normally you’d expect to pay much more.

It’s got a powerful Briggs & Stratton engine, and has a large 46cm (18in) cutting width, which is just what you need when mowing a large garden.

You have four options for your cut grass, namely rear discharge, side discharge, collect, or simply cut and deposit. If you choose collect (which is the cleanest and most convenient option) the collection bag will take up to 60 litres of cut grass before you need to empty it. A handy feature when you’ve got a lot of grass to mow.

If you want it to mulch the grass, simply swap the grass collection bag with the mulching attachments.

When it comes to grass cutting height, you’ve got options there too. There are 7 different grass height settings, starting at a short 25mm, and going up to 75mm.

It’s designed for smooth running and easy maneuvering, thanks to the durable bearing-mounted wheels.

It’s emission is minimised thanks to its engine’s overhead valve technology. And it’s quiet too.

The soft grip handle bar collapses down when you want to transport it to be packed away.

The instruction manual is free to download, and is rather thorough, complete with a troubleshooting section (but hopefully you won’t need it).

Pros
  • Well established brand
  • Under £300
  • Self Propelled
  • Powerful engine
  • Large 46cm cutting width
  • Collect or mulch the grass
  • 60 Litre grass collection bag
  • 7 different grass height settings
  • Easy to maneuver
  • Handle bar collapses for storage
  • Quiet
  • Durable
  • Instruction manual free to download
Cons
  • Not many peer reviews on Amazon

Einhell 3404585 GC-PM 46/1 S B&S Self Propelled Petrol Lawnmower with a Briggs and Stratton Engine, 1650 W, 5 V, Red, Large

Einhell 3404585 GC-PM 46/1 S B&S Self Propelled Petrol Lawnmower with a Briggs and Stratton Engine, 1650 W, 5 V, Red, Large
Our rating:

Here’s a really popular lawn mower from a good German brand, Einhell. And it’s really good for large gardens.

It’s self propelled, so you’re merely guiding the lawn mower rather than pushing it along.

It has a good, powerful engine, coming in at 125cc, and it’s got a really good cutting width 46cm, ideal for mowing larger gardens.

It has a roomy 50 litre grass collection bag, so more often than not you should be able to mow the entire garden before you need to empty it. And there’s a handy filling level indicator incorporated to let you know when the bag needs to be emptied.

It has a wide selection of different cutting heights to choose from, 9 altogether, from 30mm up to 80mm, simply adjust to your liking.

It has rear wheel drive, to ensure easy movement across large expanses.

It’s designed to be both durable and ergonomic. For example it has powder-coated sheet steel housing, and the starter cable is easy to reach.

The handles fold down for when you’re ready to stow it away for another day.

Pros
  • Really popular
  • Good German brand
  • Self propelled
  • Powerful engine, at 125cc
  • Cutting width of 46cm
  • Roomy 50 litre grass collection bag
  • Handy filling level indicator
  • Different cutting heights
  • Rear wheel drive
  • Durable
  • Ergonomic
  • Handles fold down
Cons
  • Requires self assembly

Murray EQ300 Self-propelled Petrol Lawn Mower, 16"/41 cm, Briggs & Stratton 300E Series Engine, Grey

Murray EQ300 Self-propelled Petrol Lawn Mower, 16'/41 cm, Briggs & Stratton 300E Series Engine, Grey
Our rating:

This is quite the little lawn mower from Murray, gaining many sells and high customer ratings on Amazon.

It has a powerful Briggs & Stratton engine, so it will cut your grass even if it’s wet.

We love that it’s self propelled, so you simply guide it along rather than push.

You can choose whether to collect the cut grass into the included 60 litre collection bag, or you can set it up to mulch the grass, discharging it at the rear.

You can also choose how short you want the grass cut, with 6 different heights of cut settings.

We love how small it’s dimensions are when you fold it up. Great when storage space is at a premium.

It comes with a 2 year warranty, which provides much peace of mind.

Pros
  • Popular with customers
  • Powerful Briggs & Stratton engine
  • Self propelled
  • Collect or mulch the grass
  • 6 different heights of cut settings
  • Folds up small
  • 2 year warranty
Cons
  • Requires assembly
  • Need to pay separately for petrol

Best Petrol Lawn Mower for Large Gardens – Buyer’s Guide

There are a number of features in petrol lawn mowers that can make them a good choice for mowing large gardens. Here we will cover some of the main features that make lawn mowing easier, and by the end you should be sufficiently well informed to make a good choice on which lawn mower to buy.

Cost

Lawn mowers tend to vary quite considerably in price, with petrol lawn mowers very rarely costing under £100. Many garden owners find themselves overpaying for their lawn mowers, mistakenly thinking that just because they have a very large lawn that they should be paying £500 plus for a good lawn mower.

Hopefully our reviews above have shown you that this is not the case. Of course, to cut wider stripes in your garden to get it mowed quicker you will need a bigger machine and the additional cost of manufacture will be reflected in the price. The trick is to ascertain good value for money.

Out of our Top 5 petrol lawn mowers, the one that feel provides the best value for money is Number 3, the Webb WER18HW ‘Supreme’ Self-Propelled Hi-Wheel Petrol Lawnmower.

Powerful Engine

Having a powerful engine on a lawn mower allows it to function in even the toughest cutting conditions, such as when the grass is tall, thick or wet. If the engine fails to cut through each and every time it can be very frustrating and would be like throwing money down a drain.

Petrol lawn mowers have engines running in power from under 100cc to almost 200cc, and it’s a case of the bigger, the better. The best brand in lawn mower engines is the one and only Briggs & Stratton. If your lawn mower has one of these engines, it’s one you can rely on.

Out of our Top 5 petrol lawn mowers, the one with the most powerful engine is our Number 2, the Hyundai Self Propelled Electric Start Petrol Roller Lawn Mower.

Capacity of Collection Bag

Our bet is that you’re looking for a lawn mower that will collect the cut grass as it mows, rather than discharge it, leaving an ugly mess. If you have a large garden, you’re not going to want to stop every 5 minutes to empty out the collection bag, so the more cut grass it holds, the better.

Out of our Top 5 petrol lawn mowers, the one with the largest collection bag is our Number 2, the Hyundai Self Propelled Electric Start Petrol Roller Lawn Mower.

Self Propelled

A self propelled lawn mower is a good choice for a large garden because rather than having to push the lawn mower per se, you simply guide the lawn mower where you want it to go. This means less strain on your arms, and the job becomes a whole lot easier. It’s by no means a necessity in a lawn mower, but it’s certainly nice to have.

If you decide you definitely want to go for a self propelled mower, why not check out our Numbers 2,3,4, and 5 in our Top 5 petrol lawn mowers. (Your spoilt for choice!)

Lightweight & Compact

Lawn mowers can be quite bulky machines at the best of times. But they have to come out and be put back again every time the grass needs mowing. For that reason, we recommend lawn mowers that are relatively lightweight, and that have handles that can simply be folded away for easier storage.

Variable heights for grass cut

All of our Top 5 petrol lawn mowers feature variable heights for the grass cut, not that this is in any way an essential feature, but it’s always nice to know you have the option. You can have a play around to see which height you like you best, or you can simply cut it very short so you have time to ignore it for a while before it needs cutting again.

Out of our Top 5, the one that cuts the grass the shortest is our Number 2, the Hyundai Self Propelled Electric Start Petrol Roller Lawn Mower.

Other Features

There are numerous other desirable features you can get in a lawn mower. One such example is that of a lawn mower which collects the cut grass in a bag that you can empty as you along. This leaves the lawn looking much neater than if you simply let the grass lay where it falls, and removes any need for raking up the cut grass later.

Some lawn mowers will mulch your grass for you, meaning the grass clippings are finely cut and re-cut, effectively recycling it to protect the grass underneath, conserving soil moisture and temperature, and preventing the growth of pesky weeds.

If you want a lawn mower that mulches your grass for you, we can recommend several, specifically our Number 1, the Webb 18in/46cm Push Petrol Four Wheeled Steel Deck Lawnmower, our Number 3, the Webb WER18HW ‘Supreme’ Self-Propelled Hi-Wheel Petrol Lawnmower. and our Number 5, the Murray EQ300 Self-propelled Petrol Lawn Mower.

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