Short answer: There's no legal minimum. Many lenders will finance the full price for applicants with steady income and a clean credit history. A deposit is more likely to be asked for if your credit has issues, your income is new or irregular, the car is older, or the loan is large compared with the car's value.
What decides whether you need a deposit
- Credit history. Defaults, recent missed payments or several recent enquiries often lead lenders to want some money in upfront.
- Income and job stability. Someone on probation, new to self-employment or on casual hours may be asked for a deposit where a long-term employee wouldn't be.
- The car. Lenders compare the loan with the car's value. Older, high-kilometre or modified cars carry more risk, so some lenders cap the loan or ask for a contribution.
- Loan size compared with value. Borrowing more than the car is worth, for example to cover on-road costs or add-ons, is available from some lenders for strong applicants but not for everyone.
- Visa or residency. Some lenders ask temporary visa holders for a deposit. Policies vary.
Trade-ins count as a deposit
If you're trading in a car you own outright, its trade-in value works just like a cash deposit. If the old car still has finance on it and you owe more than it's worth, that shortfall is called negative equity. Some dealers offer to roll it into the new loan. That means you start the new loan owing more than the new car is worth, which is worth avoiding if you can.
What a deposit actually saves
Example only: on a $35,000 car at 9% p.a. over 5 years, financing the full amount costs about $727 a month and roughly $8,593 in interest. Putting down $5,000 cuts the loan to $30,000, the repayment to about $623 a month and total interest to around $7,365. That's a saving of about $1,228 in interest, before any difference in the rate you're offered.
A deposit can also help your application, because the lender has less at risk and you've shown you can save.
Watch the "no deposit" offers
Dealer finance advertised as "no deposit" or "drive away today" can be fine, but check:
- the comparison rate and all fees, not just the weekly repayment
- whether there's a balloon payment at the end
- whether add-ons such as warranties or insurance have been built into the loan
You don't have to use the dealer's finance. Having your own finance lined up before you negotiate often makes the process clearer.
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Related guides
- Car finance with no deposit and poor credit
- Saving for a car deposit
- Trading in a car that's still under finance
- Dealer finance vs bank loans
General information only. This isn't financial advice. Finance the Ride is a referral service and doesn't hold an Australian Credit Licence. Last reviewed September 2026.