What a Lap of Australia Actually Costs

By Trev Sanders · July 7, 2026 · 7 min read
A caravan and 4WD parked at a free camp beside an open outback road at sunset

Everyone wants a single number for what a lap of Australia costs, and everyone who's actually done one knows there isn't one. We were on the road the best part of six years, on and off, and the honest answer is that two couples doing the same loop can spend triple what the other does and both have the time of their lives. So instead of a made-up figure, let me walk you through the buckets your money falls into, with real-world ranges, so you can build a number that fits your own trip.

Fuel is the big one, and distance is the lever

Fuel will almost always be your largest single cost, and it's the one people lowball worst. A lap is a big country, roughly 15,000 kilometres if you're quick and closer to 25,000 or 30,000 once you factor in all the side trips you can't help taking. A 4WD towing a van doesn't sip; expect your towing economy to be a lot thirstier than the same car unhitched. The way to cut this bill isn't a magic additive, it's kilometres. Slow down, stay longer in each spot, and stop chasing the map. The couples who burn through their fuel budget are the ones treating the lap like a race, ticking off towns instead of enjoying them, and their fuel bill is the receipt for all that hurry. Diesel also costs a good deal more in remote roadhouses than in a city, so filling up in the last decent-sized town before a long empty stretch saves real money, and an app that shows fuel prices ahead pays for itself.

Where you sleep: the biggest lever you control

Accommodation is where two trips diverge most, because it's almost entirely a choice. A powered caravan park site in a popular spot can run you a fair whack a night, and in peak season in a tourist town, more again. Free camps and low-cost council stops cost little or nothing. Do the arithmetic over months and it's enormous: a couple staying in parks every night versus a couple free-camping most nights can differ by many thousands over a lap. Most long-termers I know land in the middle, free-camping the majority of nights and treating a caravan park as a treat every few days for a proper shower, a load of washing and to charge everything. If you want to lean hard on the cheap end, the rules aren't the same everywhere, and our rundown of free camping rules by state keeps you legal while you do it.

Food: less than you fear, if you cook

Food on the road can cost about what it does at home if you shop in supermarkets and cook in the van, or it can quietly bleed you dry if you eat at the pub and buy snacks at roadhouses. Groceries in remote towns carry a real premium because everything trucked a long way costs more to get there, so we'd do a big shop in the last large town and top up sparingly in between. The pub counter meal is one of the great pleasures of the road and I'd never tell you to skip it, but treat it as a treat, not a default, and the food bucket stays sensible.

The costs that don't stop when you park

Here's the bucket new lappers forget: the bills that keep ticking whether you're moving or not. Vehicle and van registration, comprehensive insurance on both, roadside assistance, phone and data, any streaming or memberships, and if you've still got a house, its costs too. These roll on every month of the trip and they add up to a meaningful monthly figure before you've bought a litre of fuel. Budget them as a fixed monthly line and you won't get a nasty surprise.

Repairs and the "oh no" fund

This is the bucket people leave out and then panic over, so I'll be blunt. Something will break. Corrugations find every weak weld and loose bolt, and a long trip on rough roads is hard on tyres, bearings, suspension and the van's cabinetry. I wouldn't set off without a genuine contingency fund set aside purely for repairs and the odd new tyre, because a blown trailer bearing or a couple of new tyres in a remote town is not cheap and not optional. The rougher your route, the bigger this fund needs to be. If you're planning serious dirt like the Gibb River Road, pad it.

The costs nobody warns you about

A few line items ambush first-time lappers because they don't exist in normal life. Dump points and drinking water are mostly free if you plan, but a lazy trip pays for them in caravan-park stopovers you didn't need. Laundry adds up over months of coin machines, and it's another quiet reason people end up in parks. Park entry and camping fees in national parks are separate from your accommodation thinking, and in a state where you dip in and out of parks a lot, an annual pass earns its keep. Gas for cooking and the fridge on a long stint, and the odd bag of firewood where you can't gather it, are small but constant. And the big invisible one: the longer the trip, the more of your normal life keeps costing money back home, from a storage unit to a house sitter to the mail redirection.

Then there's the psychology of it, which costs real money. The couples who blow the budget aren't usually reckless; they're tired. A long day of towing ends at a caravan park because it's easy, dinner is the pub because nobody wants to cook, and a "quick" souvenir stop becomes a hundred dollars of fudge and tea towels. None of it is wrong now and then. It's the default setting that drains the account. Deciding your rhythm in advance, how many park nights a week, how many meals out, is worth more to the budget than any single frugal trick.

Building your own number

BucketWhat drives itBiggest lever to cut it
FuelKilometres and towing economySlow down, stay longer, fewer big drives
AccommodationFree vs paid site splitFree-camp most nights, park as a treat
FoodCooking vs eating out; remote-town premiumsCook in the van, big shop in big towns
Fixed monthlyRego, insurance, phone, memberships, houseSort before you leave; it rolls on regardless
RepairsRoughness of your route, luckContingency fund; gentle driving on dirt

So there's no honest single figure, but there is an honest method. Estimate your kilometres and your towing fuel economy for the fuel bucket. Decide your free-versus-paid-site split for accommodation, the single biggest thing you control. Add a realistic monthly food figure based on cooking, not eating out. Add up your fixed monthly bills that roll on regardless. Then set aside a proper repairs contingency on top. Add the buckets, and you've got a number that belongs to your trip instead of someone else's. Most couples I've compared notes with land somewhere in a broad band per week once they're settled into a rhythm, with the frugal free-campers at the bottom and the park-every-night, eat-out-often crowd at the top, and neither is wrong.

The good news is that the two biggest buckets, fuel and sites, are both things you steer, not things that happen to you. Slow down and free-camp more and the whole trip gets cheaper without getting worse. If anything it gets better, because the best nights of our lap were almost all free ones. Plan the loop itself with the big lap itinerary, size your power so you can actually free-camp comfortably using lithium vs AGM, and browse the managed stops on the parks hub for the nights you do want a hot shower and a powered post.

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Common questions

How much does a lap of Australia cost?
There's no honest single figure; two couples on the same loop can spend triple what the other does. Build your own number from the buckets: fuel (your biggest cost, driven by kilometres and towing economy), accommodation (the biggest lever you control via free vs paid sites), food, fixed monthly bills like rego and insurance, and a repairs contingency.
What is the biggest cost on a big lap?
Fuel is almost always the largest single cost, because a 4WD towing a van is thirsty over 15,000 to 30,000 kilometres. The way to cut it is kilometres, not additives: slow down, stay longer, and fill up in the last big town before remote stretches where roadhouse diesel costs more.
How can I reduce big lap costs?
The two biggest buckets, fuel and accommodation, are both things you steer. Free-camp most nights and treat caravan parks as an occasional treat, slow down to cut fuel, cook in the van rather than eating out, and set aside a proper repairs fund so a breakdown doesn't blow the budget.
About the author
Trev Sanders
Trev Sanders
Grey Nomad Correspondent · On the road (last seen: Karumba, QLD)

Trev and his wife Denise have been doing laps of the country since he hung up the boots. He knows which pubs let you camp out the back, which servo has the good pies, and which showground is worth the donation. He writes the way he yarns — slowly, and with a tangent.

Retired; 6 continuous years on the Big Lap

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