Stop guessing at the dealership. Start knowing.
Most people walk into a car purchase with no idea what they’re actually agreeing to. This spreadsheet changes that. In under a minute, you’ll have a complete financial picture of any auto loan — monthly payment, total interest paid, payoff date, and a full breakdown of every single payment.
What’s Inside
✓ Full Amortization Schedule — Every payment broken down into principal and interest, month by month for the entire loan term. Watch your balance decrease in real time.
✓ Extra Payment Column — Model the impact of paying extra on any month. See exactly how much interest you’d save and how much sooner you’d pay off the loan.
✓ Tax + Down Payment Inputs — Enter your local tax rate and down payment to get your real loan amount — not just the sticker price.
✓ Total Cost Summary — See your loan amount, total interest, and true total cost at a glance before committing to anything.
✓ Automatic Payoff Date — Enter your start date and loan term; your payoff date calculates instantly.
✓ Clean, Color-Coded Layout — Organized into Vehicle Info, Loan Duration, and Loan Terms sections so it’s easy to read and share.
What You Get
- Premium Google Sheets Auto Loan Calculator
- 9-column amortization table (payment #, due date, beginning balance, payment, extra payment, interest paid, principal paid, ending balance, total paid)
- Tax rate & down payment calculations
- Extra payment impact modeling
- Automatic payoff date
- Instant delivery to your Google Drive
- Lifetime access + free updates
Perfect For
Anyone financing a car — whether it’s your first purchase or your fifth. Also great for comparing loan offers side-by-side, or showing a co-buyer exactly what you’re looking at.
Future Updates Included
When improvements are made, you’ll be notified and can access the latest version at no extra cost.
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