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Car Buying Calculators

Compare loan options, estimate running costs, and find out what that car is really worth before you buy.

Car Buying Calculators for Australians

What Does That Car Actually Cost You?

The sticker price is just the beginning. The true cost of owning a car in Australia includes registration, CTP insurance, comprehensive insurance, fuel, servicing, tyres, and — often the biggest factor of all — depreciation. Before you sign anything, run the numbers across the full ownership picture. These calculators help you do exactly that.

New vs Used: The Maths Behind the Decision

New cars come with manufacturer warranty, the latest safety features, and the peace of mind of knowing the vehicle's full history. The cost is rapid early depreciation — a new car typically loses 15–25% of its value in the first year and up to 50% in three years. If you buy a car that's 2–3 years old with low kilometres, someone else has absorbed that first depreciation hit. Use our Used Car Value Calculator to estimate what a vehicle should be worth based on age, kilometres, and make.

Finance vs Saving: What's the Real Cost of a Car Loan?

Dealer finance is convenient but often expensive. A $30,000 car on a 5-year loan at 9.99% interest (common for dealer-arranged finance) costs around $7,900 in interest — nearly the price of a second-hand car. Bank and credit union loans typically offer lower rates. Our Car Loan Calculator shows your repayments and total interest at any rate, and our Loan Comparison Calculator lets you see two loan options side by side.

Alternatively, saving for a year or two before buying means no interest at all. Use our Savings Goal Calculator to see how long it takes to reach your target at a realistic savings rate. The trade-off is time versus money — the right answer depends on your situation and how urgently you need the vehicle.

True Cost of Ownership: The Numbers Most Buyers Ignore

Beyond the purchase price, a typical Australian car owner pays annually for: registration ($300–1,000+ depending on state and vehicle), CTP insurance ($400–900 per year), comprehensive insurance ($800–2,000+), fuel (varies enormously by usage and vehicle), servicing and tyres ($500–2,000 per year), and depreciation ($2,000–6,000+ per year for most vehicles). Add all of these together and a $30,000 car can cost $7,000–$12,000 per year to run before you've made a single loan repayment. Budget for the full picture, not just the repayment.

Dealer vs Private Sale: What to Check Before You Buy

Buying privately is usually cheaper but comes with less protection. Key checks: run a PPSR search (Personal Property Securities Register, ppe.gov.au — costs around $2) to confirm the car isn't encumbered (still under finance) and hasn't been written off. Check the VIN against the registration papers. Use RedBook or similar for market value benchmarking. Have a pre-purchase inspection done by an independent mechanic — spending $150–250 on an inspection can save you thousands on a car with hidden problems.

Buying from a licensed dealer gives you Australian Consumer Law protections including statutory warranties for used vehicles (the length varies by state and price). The vehicle must be fit for purpose and of acceptable quality — your rights exist regardless of what the dealer's contract says.

Registration and CTP: State by State

Car registration and CTP (Compulsory Third Party) insurance costs vary significantly by state. In NSW, CTP (called a Greenslip) is purchased separately from registration from a private insurer. In other states, CTP is bundled into the registration fee. Use our Car Registration Calculator and CTP Calculator to estimate costs in your state before you buy. These costs are not optional — you can't legally drive an unregistered or uninsured vehicle on Australian roads.

Your Essential Calculators

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The amount you need to finance

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years
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Large final payment at end of loan — reduces monthly repayments but you owe a lump sum

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Value of your current car if trading in (reduces loan amount)

Open full calculator → for more options and detailed breakdown.

Helpful Guides

Practical Car Buying Tips for Australians

Fuel Costs: More Variable Than You Think

Fuel is one of the biggest ongoing costs for most car owners, and it varies dramatically by vehicle type and how much you drive. A petrol SUV averaging 10L/100km costs roughly $2,200 per year in fuel at current prices for 15,000km of annual driving. A fuel-efficient small car at 6L/100km costs around $1,320. An EV on home charging costs a fraction of that. Use our Fuel Cost Calculator to model your expected annual fuel spend before you choose a vehicle.

Tolls: The Hidden Cost for Commuters

If you're buying a car for a regular commute in Sydney, Melbourne, or Brisbane, factor in toll costs. Sydney's toll network is among the most expensive in the world — regular commuters on some routes pay $3,000–$5,000 per year in tolls alone. Our Toll Calculator gives you a realistic estimate for your regular routes.

Car Accessories Worth Having

Once you've bought the car, a few accessories make a real difference to safety and day-to-day convenience. A quality dashcam provides evidence in the event of an accident — essential given Australian roads. A good set of floor mats protects resale value. A portable tyre inflator and first aid kit are sensible to carry. Browse car accessories on Amazon Australia — dashcams, seat organisers, car chargers, and emergency kits are all available with fast shipping.

Setting a Budget That Actually Works

The standard financial advice is that total vehicle costs (loan repayments plus running costs) shouldn't exceed 15–20% of your take-home pay. Use our Budget Planner to see where a car fits in the context of your full monthly expenses before you commit.

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Frequently Asked Questions

What is a fair interest rate for a car loan in Australia?

As of 2025-26, car loan interest rates from banks and credit unions typically range from 6.5% to 9.5% per year for borrowers with good credit. Dealer-arranged finance is often higher — 9.99% to 14%+ is common. Always compare your dealer's finance offer against at least one bank or credit union loan before signing. Pre-approval from your bank before visiting the dealership gives you a clear budget and negotiating leverage.

How do I find out what a used car is actually worth?

RedBook (redbook.com.au) is the industry standard for used car valuations in Australia. It provides trade-in (what a dealer would pay), private sale (what a private buyer would pay), and dealer retail (what a dealer would sell it for) values based on make, model, year, and kilometres. Carsales and CarGurus market data also give you a real-time sense of what similar vehicles are listing for in your area.

What is a PPSR check and do I need one?

A PPSR (Personal Property Securities Register) check confirms whether a vehicle has any encumbrances — finance owing that the seller hasn't paid off. If you buy a car with finance attached, the lender can legally repossess it even though you paid for it. A PPSR check costs around $2 at ppsr.gov.au and takes minutes. It also flags whether a vehicle has been reported as written off. Never buy a used car privately without running one.

Is it better to buy or lease a car in Australia?

For private individuals, leasing (novated lease through an employer) can offer tax benefits if your employer offers salary packaging — pre-tax dollars are used for the car payment, reducing your taxable income. For most private buyers without salary packaging, buying outright or via a low-interest loan is simpler and usually cheaper over five years. Novated leases make more sense at higher incomes where the tax saving is larger. Talk to your employer's salary packaging provider if this option is available to you.

What insurance do I legally need for a car in Australia?

Compulsory Third Party (CTP) insurance — also called a Greenslip in NSW — is legally required in every state and territory. It covers personal injury to others if you cause an accident. CTP does not cover damage to vehicles or property. Comprehensive insurance (which covers your car and damage to others' property) is optional but strongly advisable for any vehicle worth more than a few thousand dollars. Third-party property insurance is a middle option that covers damage you cause to other vehicles but not your own.

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