What Should My Car Loan Interest Rate Be?

Enter your credit score, see the fair rate for someone like you — then check what the dealer actually offered.

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Drag the slider. Not sure of your score? Guess low — the free apps usually show a higher number than the dealer sees.

How dealers pad your rate — in plain English

Here’s the trick most buyers never hear about: the bank approves you at one rate, and the dealer writes a higher rate on your contract. The dealer keeps the difference as extra profit. It’s legal in most states, and it’s invisible on the paperwork — you just see one interest rate and assume that’s what the bank said.

The rates above come from real 2026 lending data (Experian, Q2 2026), so you can see what people with your score actually pay on average. If the dealer’s number is way above that range, you’re not getting a bad-credit rate — you’re getting a bad-credit rate plus dealer profit stacked on top. The fix is simple: get pre-approved at a bank or credit union before you walk in, so you know your real number first.

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Questions, answered

Can a dealer charge me a higher rate than the bank approved?

Yes — it’s legal in most states. The bank approves you at one rate, the dealer offers you a higher one and pockets the difference. Most buyers never find out.

How do I know if my rate is fair?

Compare it to the average for your credit score (use this page). If the dealer’s rate is more than about 2 points above the average, ask questions — or better, walk in with a pre-approval from your own bank so you already know your number.

What’s a normal interest rate with a 550 credit score in 2026?

On average, about 13.5% on a new car and 19.1% on a used car (Experian, Q2 2026). Individual offers vary — always shop at least two or three lenders.

Can I negotiate my car loan interest rate down?

Yes. The dealer’s extra profit is negotiable — it’s their money, not the bank’s. Say “I’d like the rate the bank actually approved” and watch the number move. A pre-approval from another lender is your best leverage.

Does a higher down payment get me a better rate?

Not directly — the rate is mostly about your score. But a bigger down payment means you borrow less, so you pay less interest overall, and it can turn a “no” into a “yes” on approval.

What the markup really is

Here’s the part that should make you angry: the markup is pure profit for the dealership. The lender quotes one rate — the buy rate — and the dealer adds two or three points on top and pockets the difference, every month, for the life of your loan. On a $20,000 loan, a 3-point markup quietly moves about $2,000 from your pocket to theirs. Knowing that changes the conversation completely. You’re not asking for a favor when you push back on the rate. You’re refusing to donate.

Estimates only — not financial advice.