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If you are buying a car in Australia in 2027 and you don’t want to use dealer finance, you generally have two options at the bank: a secured Car Loan or an unsecured Personal Loan.
Most Australians assume that "car loans" are explicitly for cars, and "personal loans" are for holidays or renovations. The truth is, you can buy a car with either. However, choosing the wrong one can mean paying double the interest rate or getting stuck with a car you cannot legally sell.
Let’s compare the two side-by-side using illustrative lending criteria. Actual rates, fees, and vehicle rules vary by lender.
The Core Difference: Security
Secured Car Loan: The bank registers a security interest over the car on the Personal Property Securities Register (PPSR). If you stop paying, the bank has the legal right to repossess the car, sell it, and recoup its money. Because the risk to the bank is lower, the interest rate is usually lower.
Unsecured Personal Loan: The loan is granted purely based on your credit score and income. The bank takes no security over the car. If you default, the lender can pursue the debt through collections or court action, which can seriously damage your credit rating. Because the risk to the bank is higher, the interest rate is usually higher.
Direct Financial Comparison (Illustrative Examples)
| Feature | Secured Car Loan | Unsecured Personal Loan |
|---|---|---|
| Typical Interest Rate | Illustrative: 5.5% to 7.5% | Illustrative: 9.5% to 14.5% |
| Vehicle Age Limits | Varies by lender (often under 7 years old) | None (Buy whatever you want) |
| Selling the Car | More complex (usually must clear the finance first) | Easy (You hold clear title) |
| Early Repayment | Fees vary by lender — check the contract | Often free to pay off early — check the contract |
When to Choose a Secured Car Loan
If you are buying a brand new car, or a used car that is less than 5 years old, a secured car loan is usually the cheaper option. The interest rate savings on a $30,000 car can exceed $3,500 across a 5-year term (illustrative, based on the rate ranges above).
When to Choose an Unsecured Personal Loan
An unsecured personal loan may be the better (or only) option if:
- You are buying an older car: Many banks will not secure a loan against a 10-year-old car because its resale value is too unpredictable. Check the lender's vehicle-age policy.
- You want flexibility: If you plan to sell the car in two years, selling a car with PPSR-registered finance on it is more complicated — buyers are wary of encumbered vehicles. With a personal loan, the car has a clear title, so you can sell it more easily.