WHICH CAR LOAN CALCULATOR
See your real monthly payment on a new or used car loan, adjusted for your credit tier and loan term.
Your Auto Loan Breakdown
Vehicle Class:
-
Financed Principal:
$0.00
Total Estimated Interest:
$0.00
Total Out-of-Pocket / Month:
$0.00
📖 Understanding Auto Loans
An auto loan is secured by the vehicle itself — miss enough payments and the lender can repossess it. Unlike a home, cars lose value fast, which makes loan structure matter more than most buyers realize.
New vs. used loan differences
New-car loans typically get lower APRs (less risk for the lender, since the car's value is well-documented) and longer term options. Used-car loans usually carry higher rates and shorter maximum terms, especially for older vehicles.
Why loan term length matters so much
- Negative equity risk — cars depreciate 15%-20% in year one alone. A 72 or 84-month term can leave you owing more than the car is worth for years.
- Total interest cost — stretching a $30,000 loan from 60 to 84 months can add thousands in extra interest, even at the same rate.
- The 20/4/10 rule — a common budgeting guideline: 20% down, 4-year (48-month) max term, and total auto costs (loan + insurance) under 10% of gross monthly income.
Dealer financing vs. bank pre-approval
✅ Bank/credit union pre-approval
You know your real rate before you negotiate price, and can use it as leverage against dealer markup.
❌ Dealer financing alone
Dealers often mark up the rate for extra profit — without a pre-approval to compare against, you have no way to know if you're overpaying.
Don't forget to budget for auto insurance too — estimate it with our insurance calculator before you finalize your monthly budget.
💡 Auto Loan Pro Tips & Tricks
🏦 Get Pre-Approved First — Make the Dealer Beat Your Rate
Walk in with a bank or credit-union pre-approval. Dealers can legally mark up the rate you actually qualify for — the "dealer reserve," commonly 1-2 points — and pocket the difference. Get the lowest pre-approval you can, then make the finance office beat it or you'll use your own loan.
🗓️ Rate-Shop Within a 14-Day Window
Scoring models treat multiple auto-loan inquiries within a 14-45 day window as a single check. Fit your pre-approvals into 14 days and you can compare several lenders without stacking score dings.
💰 Negotiate Price and Financing Separately
Don't let a dealer collapse everything into one "monthly payment" number — that's how a low payment hides a long term or a marked-up rate. Lock the out-the-door price first, then talk financing.
🧮 0% APR vs. Cash Rebate — Run Both, You Rarely Get Both
Manufacturers often make you choose between 0% financing and a cash rebate. Quick rule: if the rebate divided by the amount financed beats the APR you'd pay elsewhere over the term, take the rebate and finance outside. For big rebates or short loans, that often wins.
🛞 Get a Pre-Purchase Inspection (Used Cars)
A $100-150 independent inspection before you buy can catch problems that cost thousands later. Never skip it on a private-party sale — it's the cheapest insurance in the whole deal.
📉 Consider GAP Coverage if You Financed 80%+
If your down payment was small or you rolled in negative equity, GAP coverage pays the difference between what you owe and the car's value if it's totaled. Buy it from your insurer or credit union — the dealer's version is usually marked up.