Find out how much car you can realistically afford based on your income.
Car affordability comes down to two numbers: the total purchase price and the monthly payment. Both need to work within your budget — a car that fits your monthly payment but stretches your total budget can leave you underwater on a loan for years. And a car that fits your budget on paper but ignores ongoing costs like insurance, fuel, and maintenance can strain your finances every month.
The most useful framing is total monthly transportation cost — not just the car payment. Add up your expected payment, insurance, fuel, and routine maintenance, and that total should stay manageable relative to your income. Most financial advisors suggest keeping total transportation costs under 15–20% of your take-home pay.
This calculator applies the 35% total-price rule, the 10% payment rule, and the 20/4/10 framework behind the scenes — for the full breakdown of how each rule works and where they come from, see our complete car affordability guide. What follows here is how to actually use the number the calculator gives you.
The figure this calculator produces is a ceiling, not a target. It tells you the most you can spend without violating the affordability rules — it doesn't tell you that spending right up to that ceiling is a good idea. If your result comes back higher than you expected, treat the gap between "what I can technically afford" and "what I actually want to spend" as money you get to keep, not money you're obligated to spend on a bigger vehicle.
If the number comes back lower than the car you had in mind, you generally have three levers, in order of impact: increase your down payment, extend your search to a slightly older model year, or wait a few months while paying down other debt to improve your take-home-pay ratio. Stretching the loan term to hit a number is technically a fourth lever, but it's the one that costs you the most in the long run — see our guide on why long loan terms backfire before going that route.
Two inputs cause more inaccurate results than any others. First, using gross income instead of take-home pay overstates what you can afford, sometimes by 20–30%, since it ignores taxes and deductions. Second, underestimating insurance — people often plug in a number based on their current (older, already-depreciated, possibly already-paid-off) car rather than getting a real quote for the specific vehicle they're considering, which can understate the true monthly cost by $50–$150.
The same purchase price produces very different total monthly costs depending on what you buy, which is why two people with the identical calculator result can end up with very different real-world budgets:
If your calculator result is borderline, the type of vehicle you choose within that budget matters as much as the price tag itself. Use our insurance estimator and fuel cost calculator with the actual vehicle you're considering rather than a generic assumption.
Used cars typically offer significantly better value per dollar spent. A 2–3 year old certified pre-owned vehicle has absorbed the steepest depreciation (15–25% in year one) while often still carrying remaining factory warranty coverage. Within the same affordability ceiling, that usually means you can move up a trim level or vehicle class by buying used instead of new — a budget that affords a new compact sedan often affords a lightly used midsize SUV instead.
This calculator provides a general estimate of car affordability based on income and common budgeting guidelines. Results are estimates only and do not account for your full financial picture, existing obligations, or credit situation. Actual affordability should be evaluated with a qualified financial professional. This tool is for informational and educational purposes only and does not constitute financial advice.