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Auto loan calculator — dealer vs. your bank

Enter your vehicle price, trade-in, and both rates. See your monthly payment, total cost, and whether the dealer's financing offer is worth taking — in plain language.

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🚗 Vehicle
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US average is 6%. Check your state rate.
📊 Loan details
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Today's average: 6.74%
Loan term 60 months
12 mo3648607284 mo
🏪 Dealer offer (optional — to compare)
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Enter 0 to skip the dealer comparison
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Enter your details and hit calculate
You'll see your monthly payment, total cost, whether the dealer's rate is fair, and a full amortization schedule.
Your monthly payment (bank rate)
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Amount financed—
Total interest paid
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Total cost of loan
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⚖️ Dealer financing vs. your bank Same vehicle, same term, different rates
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Monthly payment—
Total interest—
Total cost—
🏦 Your bank
Rate (APR)—
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Total interest—
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Is your bank rate competitive?
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Below marketAbove market
Total cost of ownership
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Remaining loan balance over time
Payment schedule
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Auto loan · Guide
Dealer financing vs. your bank: who usually wins — and by how much?
5 min read · Updated July 2026

Most car buyers accept the dealer's financing offer without thinking twice — and most of them pay more than they need to. The reason isn't that dealers are dishonest; it's that they earn a commission on the financing, so they have an incentive to quote you a rate higher than the one they actually got from the bank.

On a $35,000 car over 60 months, the difference between 6.74% (bank average) and 8.5% (typical dealer markup) is $33/month and nearly $2,000 in total interest. Getting pre-approved by your bank before visiting the dealership is the single most effective negotiating move you can make.

The strategy is simple: get pre-approved at your bank or credit union before you step foot in a dealership. You're not obligated to use that financing — but it gives you a real number to compare against the dealer's offer, and dealers know that pre-approved buyers don't need their financing.

Read the full guide →

Auto loan questions, answered plainly

What is the average auto loan rate in 2026?

As of July 2026, the average auto loan rate for a 60-month new car loan through banks and credit unions is approximately 6.74%. Dealer financing typically runs 1–2 percentage points higher because dealers earn a finance reserve on top of the rate they secured from the bank. Used car loans tend to run 1–2% higher than new car rates due to higher depreciation risk.

Should I finance through the dealer or my own bank?

In most cases, financing through your own bank or credit union will save you money. Dealers mark up the rate they receive from lenders — typically by 1–2%. On a $35,000 loan over 60 months, that's $33–$66 more per month and $2,000–$4,000 more in total interest. The exception: manufacturer-sponsored financing deals (like "0% for 36 months") which are genuinely subsidized and worth comparing against your bank rate.

What is a trade-in and how does it affect my loan?

A trade-in is your current vehicle sold to the dealer as part of buying a new one. The trade-in value is subtracted from the vehicle price before calculating your loan, reducing the amount you need to finance. This calculator factors in your trade-in value automatically. Note: dealers often offer below-market trade-in values — check your car's value on CarMax or Carvana first so you have a benchmark to negotiate from.

Why does the loan term matter so much?

A longer term (72 or 84 months) gives you a lower monthly payment but dramatically increases total interest paid. A $35,000 loan at 6.74%: 60-month term = $687/month and $6,200 total interest; 84-month term = $520/month but $8,700 total interest. That's $2,500 more just for a longer term. Additionally, with long terms you risk being "underwater" — owing more than the car is worth — for several years.

What is APR and why is it different from the interest rate?

APR (Annual Percentage Rate) includes the interest rate plus any fees charged by the lender, expressed as a yearly rate. For auto loans, APR and interest rate are often the same or very close, because auto lender fees tend to be minimal compared to mortgages. However, some lenders charge origination fees that raise the effective APR above the stated rate. Always compare APRs when shopping for loans, not just the advertised interest rate.

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© 2026 DisplayMyLoan · Rates are indicative. Always verify with your lender. Data: Federal Reserve FRED · National auto loan averages.