The Finance Algorithm
§ Tool · tier 1 · independent

Car Loan Calculator.

Calculate your car loan repayments, total interest, and compare loan terms

CalculatorFree, no signupOn-deviceupd May 2026
Inputs
Your numbers
$
$40k

Purchase price of the vehicle

$
$5k

Upfront payment or trade-in value

%
7.5%

Annual rate — new car loans run 6-8%, used cars 8-12%

5y

How long to repay the loan

%
0%

Optional lump sum at end of loan (% of vehicle price)

Math updates live as you change inputs · AI runs on submit

Awaiting inputs

Move the sliders or type in the form on the left — the math updates live as you go. Click Get AI verdict when you want a written analysis.

Planning to buy a car? Use our calculator to work out your repayments based on the vehicle price, deposit, interest rate, and loan term. See how different options affect your budget.

§ Worked examples

Real-world scenarios

New SUV Purchase

Sarah is buying a $45,000 SUV with $10,000 deposit at 7.5% over 5 years.

Inputs

price:45,000deposit:10,000rate:7.5term:5

Loan amount: $35,000. Monthly payment: $701. Total interest: $7,060. Total cost: $42,060.

Budget Used Car

Tom needs a reliable $18,000 used car with $3,000 deposit at 9% over 3 years.

Inputs

price:18,000deposit:3,000rate:9term:3

Loan amount: $15,000. Monthly payment: $477. Total interest: $2,172. Paid off quickly!

§ FAQ

Questions Australians ask

§ Glossary

Plain-English definitions

Balloon Payment
A large final payment due at the end of your loan, reducing regular repayments but requiring a lump sum.
Secured Car Loan
The car is used as security for the loan, typically offering lower interest rates.
Comparison Rate
A rate that includes the interest rate plus most fees, giving a truer cost comparison.
On-Road Costs
Additional costs like registration, stamp duty, dealer delivery, and CTP insurance.