🚗 How much can a car down payment save you?
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Reviews of How much can a car down payment save you?
Finn
This calculator completely overhauls the original affordability view to focus on a specific question: how much interest you save by making a down payment. It clearly compares your monthly payments and total interest with and without cash down, making it easy to see the immediate benefit. Keep in mind that the verdict will always suggest paying upfront because it doesn't factor in what you might earn if you invested that cash instead—you'll want to weigh that opportunity cost yourself if your auto loan rate is particularly low.
Reviewed v26.8.0
Aug 1, 2026
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Calculate how much money you can save on interest and fees by delaying your vehicle purchase and building up your savings first.
Uses the 20/4/10 discipline — 20% down, a loan no longer than 4 years, and total car costs under about 10% of take-home pay — to turn your income, debts, and savings into a maximum affordable price, then checks the car you're eyeing against it.
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