What it really costs to own a car in NZ

The sticker price is only the beginning

It's easy to look at a car, see the price or the weekly repayment, and decide you can afford it. But the purchase is just one cost among many. A car costs money every week you own it, whether it moves or not. If you only plan for the repayment, the other bills can catch you out. So before you sign anything, it helps to see the full picture.

The figures below are rough, general guidance to help you budget, not quotes or offers. Real costs vary a lot depending on the car, how far you drive and where you live. Always check the current rego and Warrant of Fitness prices at nzta.govt.nz, and get real quotes for insurance and servicing.

The running costs, one by one

Registration (rego)

Every car on the road needs a current registration, paid yearly or in shorter blocks. For a normal petrol car it's usually somewhere around one hundred dollars a year, though the exact amount changes and depends on the vehicle. Diesel drivers also pay Road User Charges based on distance travelled, which can add up if you cover a lot of kilometres. Check the current prices at nzta.govt.nz.

Warrant of Fitness (WoF)

A WoF is a safety check your car needs to stay legal on the road. Newer cars need one once a year, older ones every six months. Each check itself is usually only a small cost, but if the car fails, the repairs to pass it are where the real money goes. An older car often needs more WoF work, so factor that in.

Insurance

Insurance can range from a modest sum for basic third party cover to a fair bit more for comprehensive cover, depending on your car, your age, where you live and your history. If your car is on finance, the lender will usually want comprehensive cover in place. It's worth getting a real quote before you buy, because a cheap car to buy can carry a surprisingly high premium.

Fuel

Fuel is often the biggest week-to-week cost, and it depends on two things: how far you drive and how thirsty the car is. A smaller, efficient car can cost a lot less to run than a big one, even over the same distance. If you drive a long commute, a fuel-efficient or hybrid car can save you real money over the years you own it.

Servicing and repairs

Cars need regular servicing to stay reliable, and things wear out over time. A routine service is a predictable cost every so often, but repairs are less predictable. The honest move is to keep a small buffer set aside for the day something needs fixing, because with an older car it's a question of when, not if.

Tyres

Tyres wear out and need replacing every so often, and a full set is a cost worth planning for rather than being surprised by. Good tyres also keep you safe, so this isn't a corner to cut. How often you replace them depends on how much you drive and how you drive.

Depreciation, the cost you don't see

This is the big one most people forget. Depreciation is the value your car loses as it ages and racks up kilometres. It never shows up as a bill, so it's easy to ignore, but it's real money. When you come to sell or trade the car, it's worth less than you paid, and that gap is the cost. Newer and pricier cars usually lose the most in dollar terms, especially in their first few years, while a well-kept older car has often done most of its dropping already.

Adding it all up

Put together, these costs can add up to a meaningful amount on top of your repayment every month. That's not a reason to avoid buying a car, it's a reason to plan for the real number. When you budget for the whole cost of ownership rather than just the loan, you avoid the stress of a car you technically bought but can't comfortably run.

A simple approach: work out your repayment first using our repayment calculator, then add a realistic monthly figure for running costs on top. If the total still fits your budget with room to spare, you're on solid ground.

How this ties into affordability

Lenders don't just look at whether you can meet the repayment, they look at whether the whole thing is affordable alongside your other living costs. That's a good habit to borrow for yourself. Buying a car you can run comfortably, not just afford on paper, is the whole game. For how lenders weigh this up, see our guide to the minimum income for car finance.

How Fair Finance helps

We're not a lender, and we won't push you into more car than you can handle. We take your details once, run a single soft credit check that doesn't touch your score, and match you to the lenders on our panel most likely to give you a fair rate on a car that suits your budget. The running costs are yours to plan for, but getting the finance right is a good place to start. See the complete guide to car finance in NZ for the full picture.

General information only, not financial advice. The cost figures here are rough, indicative guidance to help you budget and will vary by vehicle, distance and location. Check current registration and Warrant of Fitness prices at nzta.govt.nz, and see your consumer rights at consumerprotection.govt.nz.