MotorCrunch
25 free car-money calculators · 2026

Crunch the real numbers before you sign for a car

Loans, insurance, EV running costs, rideshare take-home and depreciation — transparent calculators that show what a deal actually costs, so a dealer never does the math for you.

🔒No sign-up to use any tool
🧮Transparent, editable formulas
🌍US · UK · CA · AU
📄Estimates, not quotes

Your numbers

Monthly payment

$595

over 60 months

Total interest

$5,797

Amount financed

$29,920

Sales tax added$1,920
Total of payments$35,717
Total cost (incl. down + trade)$39,717

Insight — Stretching the term lowers the monthly payment but raises total interest. Try 48 vs 72 months to see the real cost of a longer loan.

What if Loan term changes?

Loan termMonthly payment
36 mo $927
48 mo $719
60 mo · now$595
72 mo $513
84 mo $455

Don't take the first rate you're offered

Get pre-approved by a bank or credit union first, then make the dealer beat it. Our financing tools show what's fair.

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Free · No sign-up · Independent, source-based math

Pick your decision

Five tool suites covering the whole life of owning a car.

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Why drivers trust the math here

Most car-money content is written to rank. Ours is built to decide.

🧮

Tools, not opinions

Interactive calculators give you a number for your situation — something a search snippet or AI summary simply can't do.

📊

Transparent assumptions

Defaults cite public sources where available and are clearly labeled estimates otherwise — and every figure on screen is editable. All figures are estimates, not quotes — replace the defaults with your own numbers.

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Made for the US, UK, Canada & Australia

Switch between the US, UK, Canada and Australia and every currency, tax and cost assumption updates with you.

Questions, answered

Straight, practical answers to the questions drivers actually ask before they buy.

Read the guides
Are MotorCrunch calculators free to use?

Yes. Every calculator is completely free, needs no sign-up, and runs instantly in your browser. MotorCrunch may be supported by advertising, affiliate links or partner offers in the future — never by charging you — and monetization never changes the math.

How accurate are the estimates?

Each tool uses transparent, industry-standard formulas (loan amortization, depreciation curves, standard running-cost models) and clearly shows its inputs. They're built for honest guidance before you sign — not a binding quote.

Which countries do the tools support?

All tools support the United States, United Kingdom, Canada and Australia, with the correct currency and regional assumptions. Switch country directly inside any calculator.

Don't guess. Crunch it.

Start with the number that changes everything — your monthly car payment.

Open the loan calculator →