Best Lawn Mowers Australia 2026: Battery vs Petrol Guide

Choosing the best lawn mower for an Australian backyard comes down to four things: lawn size, grass type, slope, and how you plan to store and charge it. In 2026, cordless battery mowers comfortably handle most suburban blocks, corded electric mowers remain the simplest option for a small courtyard, and petrol mowers still earn their place on large or steep acreage. This guide explains how to compare the options, which specs actually matter in Australian conditions, and how to check the current price before you buy.

Overview

Battery mowers have improved quickly. Brushless motors, better battery management and lighter decks mean a modern 36V or 56V machine can finish a typical suburban lawn on one charge. CHOICE field-tests battery and electric mowers on turf cut to short, medium and long lengths, and its buying guide is a useful independent starting point. Petrol mowers still offer the longest runtime and the most torque for thick, wet or long grass. Corded models are the lightest and cheapest to run, but you are limited by the length of your power lead.

In Australia the battery platform you commit to matters more than any single spec. Single-battery 18V mowers suit small courtyards and light touch-ups. The mainstream choice for suburban lawns is a 36V system — either two 18V batteries run in series or a dedicated 36V platform. Higher-voltage systems such as EGO's 56V, Makita's 40V XGT, DeWalt's 54V FlexVolt and Victa's 82V line suit larger blocks, thicker grass and heavier use. Once you own batteries on a platform, adding a trimmer, blower or edger costs far less.

Petrol mowers remain relevant for acreage, steep slopes and grass that is regularly left too long, and they have no runtime limit. The trade-offs are noise, fuel storage, servicing and cold starts. Many Australian households now run a battery mower for the weekly cut and keep a petrol machine, or a contractor, for the heavy jobs.

Key Features to Compare

• Voltage and platform: 18V suits small courtyards, 36V is the Australian suburban mainstream, and 56V (EGO), 40V (Makita XGT), 54V (DeWalt FlexVolt) and 82V (Victa) platforms suit larger or heavier-duty work.

• Deck size: match the deck to the lawn — roughly 30–34cm for courtyards, 37–42cm for small suburban lawns, about 46cm for medium blocks and 51–53cm for large or commercial jobs.

• Runtime and battery capacity: check the manufacturer's stated run time, but also how many batteries ship in the kit. Most suburban lawns are cut in one session with two 4.0–5.0Ah batteries, and a spare battery is usually cheaper than a bigger mower.

• Cutting height range: look for a range that covers your grass type. Couch generally tolerates a shorter cut, while buffalo and kikuyu need more height. Easier height adjustment saves real time.

• Self-propulsion: worth it for sloping blocks or lawns over roughly 600m², because the mower pulls itself along instead of you pushing it.

• Catch, mulch and side discharge: mulching returns nutrients to the lawn, catching suits a tidy finish, and side discharge is fastest for long grass.

• Battery ecosystem and warranty: buying into one platform lets you share batteries across tools, and warranty terms differ between brands — check whether yours covers replacement or repair.

How to Compare Mower Types Before You Buy

Australian pricing and stock change constantly, so confirm the current listing at the retailer before you buy — and check whether the kit includes batteries and a charger, because 'skin only' listings do not.

Where to Buy

Bunnings stocks the broadest range of home and garden mowers in Australia, including the Ozito PXC and Ryobi 36V platforms and Victa battery models, and you can inspect a floor model before buying. Total Tools and specialist dealers carry the premium EGO 56V range and trade-grade equipment. Amazon AU is worth checking for comparable models, bundled kits and accessories with delivery to most Australian postcodes.

For Harvey Norman, JB Hi-Fi, The Good Guys, Officeworks and Kogan, availability varies with the season — check each retailer's website for current stock before making the trip.

If you are fitting out the shed or garage at the same time, our guides to the best cordless drill in Australia and the best steam mops in Australia cover tools that pair well with a new mower, and the best stick vacuums in Australia guide is useful if you are reviewing the whole home-cleaning line-up.

Buying Advice

Match the mower to your lawn size. For small yards under about 300m², a corded mower or a 36V push mower with a 32–42cm deck is plenty. Medium lawns of roughly 300–600m² suit a 36V brushless kit with a 38–46cm deck. For larger lawns or sloping blocks, step up to a self-propelled battery mower with a 46–53cm deck, or look at petrol if you regularly cut long, wet grass.

Consider the battery platform carefully. If you already own 36V or 18V garden tools, staying on that ecosystem saves money because you can buy a bare tool. If you are starting fresh, a higher-voltage platform such as EGO's 56V gives you headroom for bigger tools later, while Makita's 40V XGT and DeWalt's 54V FlexVolt suit trade users with existing batteries. Be aware that battery mowers slow down in very thick couch or buffalo grass and will not scalp as aggressively as petrol — if your lawn is usually overgrown, consider petrol or a high-torque battery model.

Before you buy, check independent Australian reviews and owner feedback: ProductReview.com.au lists long-running owner reviews by mower brand, and CHOICE members can compare field-tested results. It is also worth checking whether a current promotion includes a second battery or a free tool skin, since spring bundles often add more value than a small discount.

For most Australian homeowners, a 36V brushless battery mower with a 38–46cm deck offers the best balance of price, performance and convenience. If you have a large or sloping block, invest in a self-propelled model — your back will thank you.

In 2026, the best lawn mower for your backyard is the one that matches your lawn size, grass type and budget. For a small lawn, a corded or 36V push mower is enough. For medium and large blocks, a 36V brushless or a high-voltage self-propelled model saves time every fortnight. For acreage or steep ground, petrol or a high-voltage battery system is the safer bet. Buy from an Australian retailer with local warranty support, and confirm the listing includes the batteries and charger you actually need.

Frequently Asked Buying Questions

Is a battery lawn mower powerful enough for Australian lawns?

For most suburban lawns, yes. A 36V brushless mower cuts couch, buffalo and kikuyu reliably when you mow regularly. If your grass is routinely long or wet, or your block is steep, a high-voltage battery model or a petrol mower will handle it with less strain.

How much lawn can one battery charge cover?

Use the manufacturer's stated coverage as a guide only, because deck size, grass condition and battery capacity all change the result. In practice, most 36V kits with two 4.0–5.0Ah batteries finish a typical suburban front and back lawn in one session. A second battery usually costs less than moving up a mower size.

Should I buy a self-propelled or a push mower?

Choose self-propelled if you have a slope, a lawn larger than roughly 600m², or mobility concerns, because the mower pulls itself along. A push mower is lighter, cheaper and easier to store, and it is perfectly adequate for flat, small to medium yards.

How often should I mow in spring and summer?

Weekly mowing through spring and summer keeps most Australian lawns healthy and prevents the long growth that strains a battery mower. Removing no more than about one third of the leaf at each cut reduces stress on the grass, and raising the cutting height during heatwaves helps protect the roots.