Rates and tax rules checked November 5, 2026

Auto loan calculator by credit score

Estimate your car payment, then see what every credit score tier would pay on the same car. Built on Experian's Q2 2026 average rates for new and used cars and New Jersey's sales tax rules, trade-in credit included.

A salesman in a suit holds out a car key to a woman sitting in the driver's seat of a silver car in a showroom
Stock photo (Pexels). Not a Brillant Credit client.

Your numbers

New or used car

The agreed price before tax, fees, rebates and your trade-in.

Loan length, months

Average for 601 to 660 on a new car (Experian, Q2 2026). Have a quote? Type it in.

Rebate, dealer fees and New Jersey tax

Lowers the loan, not the tax: New Jersey taxes the price before rebates.

The dealer's paperwork charge. The state does not require it, and it is taxed.

Starts at $85 for a title with one loan on it plus $84 registration, the most a passenger car pays. Not taxed.

New Jersey charges 6.625% on new and used cars, electric cars included.

New cars pay New Jersey's one-time 0.4% surcharge at a price of $45,000 or more, or at any price when rated under 19 mpg.

Estimated monthly payment

$713

$38,819 financed · 9.71% APR · 72 months

What the loan covers

Car price
$40,000
Sales tax, 6.625% of $40,000
$2,650
MVC title and registration
$169
Down payment
−$4,000
Amount financed
$38,819
Interest over 72 months
$12,552
All 72 payments
$51,371

Every loan length at 9.71%

MonthsMonthlyTotal interest
36$1,247$6,084
48$979$8,180
60$819$10,337
72Yours$713$12,552
84$639$14,827

Uses the same rate for every length. A lender may quote a different rate for a longer loan.

Same car, every credit score

At the Q2 2026 averages for a new car, a score of 781 or higher would save you $98 a month and $7,119 in interest over this 72-month loan, compared with a score of 601 to 660.

Credit score and rateMonthlyVs. you, a monthVs. you, interest
781 or higherSuper prime · 4.41%$615Save $98Save $7,119
661 to 780Prime · 6.15%$646Save $67Save $4,852
601 to 660YouNear prime · 9.71%$713YoursYours
501 to 600Subprime · 13.52%$790+$77+$5,505
300 to 500Deep subprime · 16.11%$844+$131+$9,426

Every row uses its tier's Q2 2026 average rate for a new car and the same price, down payment, trade-in, taxes and fees. "Interest" is over the whole loan.

Loan balance by year

Half the loan is paid off by the end of year 4. Point at the chart, or focus it and use the arrow keys, to read any year.

$0$20K$40K0123456

Year-by-year schedule
YearPrincipalInterestBalance
Year 1$5,012$3,550$33,807
Year 2$5,521$3,041$28,287
Year 3$6,081$2,481$22,206
Year 4$6,699$1,863$15,507
Year 5$7,379$1,183$8,128
Year 6$8,128$434$0

Estimates for a simple-interest, fixed-rate car loan. Brillant Credit is not a lender or a dealer and does not offer loans or rates. The APR and amount financed on your signed retail installment contract are the numbers that count.

What your credit score costs on a car

The same car, five credit scores, five different payments.

Take a $40,000 new car in New Jersey with $4,000 down and a 72-month loan. Sales tax (6.625%) and $169 in MVC title and registration fees go into the loan, so $38,819 is financed. Only the credit score changes.

Credit scoreNew-car APRMonthlyInterest, life of loan
781 or higher4.41%$615$5,433
661 to 7806.15%$646$7,700
601 to 6609.71%$713$12,552
501 to 60013.52%$790$18,057
300 to 50016.11%$844$21,978

Against 781 or higher, a score of 601 to 660 pays $98 more a month and $7,119 more in interest; 501 to 600 pays $175 more a month and $12,624 more; 300 to 500 pays $229 more a month and $16,545 more. Unlike mortgage insurance, none of that drops off: the rate lasts the whole loan unless you refinance.

A couple stands next to a black car in a showroom, listening to a salesman holding a clipboard
Talking numbers at the dealership. Stock photo (Pexels). Not a Brillant Credit client.

Car loan rates by credit score

Average APR by credit score tier, new and used cars, Q2 2026.

From Experian's State of the Automotive Finance data, scored with VantageScore 4.0. Rates are averages across every loan length and lender. Across all borrowers, new-car loans averaged 6.35% on $43,610 over 69.46 months, and used-car loans 11.19% on $27,852 over 67.86 months.

Credit scoreTierNew-car APRUsed-car APRAvg. payment, newAvg. payment, used
781 or higherSuper prime4.41%6.29%$741$534
661 to 780Prime6.15%8.81%$770$528
601 to 660Near prime9.71%13.93%$816$555
501 to 600Subprime13.52%19.10%$805$567
300 to 500Deep subprime16.11%21.62%$779$570

Average payments are Experian's, taken from the loans each tier actually took out, so they do not line up with the rates: the 300 to 500 tier's new-car average ($779) is below the 601 to 660 tier's ($816). The calculator above prices the same car for every tier.

New Jersey car sales tax

What New Jersey taxes, and what it doesn't.

  • 6.625% on new and used cars. The same rate for both, and for electric cars bought on or after July 1, 2025.
  • Your trade-in comes off first. A $10,000 trade-in saves $662.50 in tax, when you trade it in to the dealer in the same deal.
  • Rebates don't lower the tax. Tax is charged on the price before any manufacturer rebate, so a rebate lowers your loan but not your tax.
  • The dealer's doc fee is taxed; MVC fees are not. Title ($85 with one loan on it) and registration ($46.50 to $84.00 for a passenger car) are added untaxed.
  • A 0.4% surcharge on some new cars. New passenger cars priced at $45,000 or more, or rated under 19 mpg, pay it once.
A man points at a white SUV in a showroom while a dealership employee holding a folder walks beside him
Before the paperwork: know what gets taxed. Stock photo (Pexels). Not a Brillant Credit client.

Sources: NJ Consumer Automotive Tax Guide, NJ zero emission vehicle notice, NJ luxury surcharge, MVC title fees, MVC registration fees.

Where Brillant Credit fits

Shopping for a car soon? Check your reports first.

Brillant Credit is a Montclair-based credit repair service working with car and home buyers across New Jersey. We are not a lender or a dealer and do not set rates. On a free credit call, Armand's team goes through your three reports with you, points out what looks inaccurate or outdated, and tells you plainly what is worth disputing before a dealer pulls your credit.

No one, including Brillant Credit, can promise a score change, an approval or a rate.

Credit score and car loan questions

Straight answers, with the numbers behind them.

Each answer comes from the sources listed below. This page is educational and is not financial or tax advice.

How much does your credit score affect a car payment?

On a $40,000 new car in New Jersey with $4,000 down and a 72-month loan, Experian's Q2 2026 averages put a score of 781 or higher at $615 a month and a score of 601 to 660 at $713: $98 more a month and $7,119 more in interest over the loan. At 300 to 500 the gap grows to $229 a month and $16,545 in interest.

What are average car loan rates by credit score right now?

In Experian's data for the second quarter of 2026, the average new-car APR runs from 4.41% at 781 or higher to 16.11% at 300 to 500, and the average used-car APR from 6.29% to 21.62%. Across all borrowers the averages were 6.35% for new cars and 11.19% for used. Experian scores these tiers with VantageScore 4.0.

What car loan rate can I get with a 700 credit score?

A 700 falls in Experian's prime tier, which runs from 661 to 780. That tier averaged 6.15% on new cars and 8.81% on used cars in Q2 2026. Experian does not split the tier further, and each lender sets its own score cut-offs, so ask where yours fall and type the rate you are quoted into the calculator.

Can you get a car loan with a 500 credit score?

Loans are made in Experian's deep subprime tier (300 to 500): it averaged 16.11% APR on new cars and 21.62% on used cars in Q2 2026. On the $40,000 example car, that rate costs $16,545 more in interest than a score of 781 or higher. Nobody, including Brillant Credit, can promise an approval or a rate.

Does New Jersey charge sales tax on the full price when I trade in a car?

No, if you trade it in to the dealer in the same deal. New Jersey takes the trade-in credit off the price before the 6.625% tax, so a $10,000 trade-in saves $662.50 in sales tax. The credit applies only when the trade-in goes to a registered dealer that takes it for resale and both contracts are signed at the same time.

Are rebates and dealer doc fees taxed in New Jersey?

Yes to both. New Jersey charges sales tax on the price before any manufacturer rebate, and the dealer's documentary fee counts as part of the taxed price. MVC title and registration fees are not taxed. The calculator applies all three rules. New cars priced at $45,000 or more, or rated under 19 mpg, also pay a one-time 0.4% state surcharge.

Is car loan interest tax deductible?

For 2025 through 2028, the IRS allows up to $10,000 a year of interest on a loan for a new car, SUV, minivan, pickup or motorcycle that had its final assembly in the United States, taken out after December 31, 2024. Used vehicles and leases do not qualify, and the deduction phases out above $100,000 of modified adjusted gross income ($200,000 for joint filers). Ask a tax professional about your own return.

Does this calculator check my credit or keep what I type?

No. It never pulls a credit report, so it cannot affect your score, and it has no submit button: you pick a score tier yourself, and the numbers are worked out on the page as you type.

Sources

Every number on this page, checked November 5, 2026.

Written by Brillant Enterprises LLC for New Jersey car buyers. Rates change every quarter and every lender prices differently; this page is educational, is not financial or tax advice and is not an offer of credit.

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Bring your three reports and your car-buying timeline. Armand's team will tell you what looks disputable, what is accurate, and what to work on first, with no outcome promises.