Affordability calculator
What car price actually fits your budget?
Most people start at the sticker price and work down. Start with the payment you're comfortable with and we'll tell you what to shop for.
Advice is always free. Partners pay us only if you choose an intro.
Enter the payment you are comfortable with and a term to see the price range that fits.
How this calculator works
You enter the monthly payment you're comfortable with, a loan term, an interest rate, and a down payment. The tool works the loan math backward from the payment to find the loan amount that payment supports, then backs out an estimated 10% for California tax, title, and registration to arrive at a target purchase price. It also shows how much of the payment goes to interest over the life of the loan.
The interest rate you enter is the single biggest lever in the result, and it's also the number this tool can't verify for you — actual rates depend on your credit profile, the lender, the loan term, and sometimes the vehicle itself. Running the calculation at a couple of different rates gives you a realistic range rather than one fixed number.
What it doesn't include: insurance, fuel, maintenance, or any add-ons a dealer might roll into the deal, like extended warranties or GAP coverage. Those change your real monthly outflow even when they don't change the loan itself, so budget for them separately.
Using the result to decide something
- Treat the price range as a ceiling to shop under, not a target to hit exactly.
- Run the numbers again once you have an actual rate quote from a lender — the estimate you used to start shopping is rarely the rate you'll be offered.
- Leave room in your monthly budget for insurance and fuel before you commit to the top of the range.
- If a dealer's price is above your range, ask what changes — a longer term, a larger down payment, or a different vehicle — rather than stretching the payment.
- Compare the total interest figure across a couple of loan terms; a lower payment over a longer term usually costs more in total interest.
Inland Empire and High Desert budgeting
Affordability isn't just the payment — it's the payment plus what it costs to actually drive the car. Long freeway commutes from Fontana, Ontario, Rancho Cucamonga, Riverside, and San Bernardino into job centers add up in fuel and time, and drivers running I-15 through the Cajon Pass to and from Victorville, Hesperia, and Apple Valley put extra wear on brakes and transmissions that shows up as maintenance cost sooner than a typical short commute would. Extreme summer heat across the region also shortens battery and tire life. None of that changes the loan math in this calculator, but it's worth building slack into your budget rather than financing right up to the edge of what the payment allows.
Affordability questions we get most
- Why start from the payment instead of the price?
- Most buyers experience a car loan as a monthly line item, not a lump sum, so working backward from the payment you can actually carry tends to produce a more realistic price range than starting from a sticker price and hoping the payment works out.
- What's included in the 10% fee estimate?
- It's a rough placeholder for California tax, title, and registration, which commonly land near that share of the purchase price. Your actual fees depend on your city's tax rate and the specific charges your dealer applies, so treat it as a planning number, not a quote.
- Does this account for my credit score?
- No. You enter the interest rate, so the result is only as accurate as the rate you put in. Your actual rate depends on your credit profile, the lender, and the loan term, and it can vary a lot between offers for the same buyer.
- Should I include my trade-in value here?
- This tool works off a target monthly payment, not a specific price, so a trade-in mainly changes how much you'd need to finance, not the affordability ceiling itself. Check what your trade is worth first, then use the deal builder to see how it fits into full deal math.
Related tools: payment calculator, deal builder, and car financing guide.
Estimate only, based on the numbers you enter. Tax, title and fees are approximated at about 10% of the price, which is typical in California. Your actual rate depends on your credit and the lender.
What's next?
- 1Write your number down — it's your ceiling, not a target
- 2Check what your current car is worth
- 3Build the whole deal, fees and add-ons included
- 4Ask a Car Dog whether the numbers make sense
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