Car Loan Calculator

Oklahoma Auto Loan Calculator

Your monthly payment and total cost for a car bought in Oklahoma, with the 4.5% state tax and Oklahoma's trade-in rules already filled in.

What do you know?
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The negotiated price of the vehicle before rebates, taxes and fees.

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Get pre-approved by a bank or credit union to know your real rate before visiting the dealer.

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Manufacturer or dealer cash back. Some states tax the price before the rebate; pick your state to apply its rule.

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What the dealer will give you for your current car.

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Your current loan balance. If it is more than the trade-in value, the difference gets added to the new loan.

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Picking a state fills in the state rate. Add your county or city rate on top for a closer estimate.

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Doc fee, title, registration, plates and destination charge. Ask the dealer for an out-the-door price to see them all.

Monthly payment

$647.15

for 60 months at 6.5% APR

Vehicle price
$35,000
Amount financed
$33,075
Sales tax
$1,575
Due at signing
$5,000
Total of payments
$38,829
Total interest
$5,754
Total cost of the car
$43,829
Car (after rebates): $35,000Interest: $5,754Tax & fees: $3,075
  • Car (after rebates)$35,00080%
  • Interest$5,75413%
  • Tax & fees$3,0757%

Compare loan terms

Same car, same rate. Longer loans lower the payment but raise the total you pay.

TermMonthlyInterestTotal cost
36 mo (3 yr) $1,013.72 $3,419 $41,494
48 mo (4 yr) $784.37 $4,575 $42,650
60 mo (5 yr) $647.15 $5,754 $43,829
72 mo (6 yr) $555.99 $6,956 $45,031
84 mo (7 yr) $491.15 $8,181 $46,256

Payment schedule

YearPaymentPrincipalInterestBalance
1$7,765.80$5,786.30$1,979.51$27,288.70
2$7,765.80$6,173.81$1,591.99$21,114.89
3$7,765.80$6,587.29$1,178.52$14,527.61
4$7,765.80$7,028.45$737.36$7,499.16
5$7,765.80$7,499.16$266.65$0.00
Show all 60 monthly payments
MonthPaymentPrincipalInterestBalance
1$647.15$467.99$179.16$32,607.01
2$647.15$470.53$176.62$32,136.48
3$647.15$473.08$174.07$31,663.40
4$647.15$475.64$171.51$31,187.76
5$647.15$478.22$168.93$30,709.54
6$647.15$480.81$166.34$30,228.74
7$647.15$483.41$163.74$29,745.32
8$647.15$486.03$161.12$29,259.29
9$647.15$488.66$158.49$28,770.63
10$647.15$491.31$155.84$28,279.32
11$647.15$493.97$153.18$27,785.35
12$647.15$496.65$150.50$27,288.70
13$647.15$499.34$147.81$26,789.37
14$647.15$502.04$145.11$26,287.33
15$647.15$504.76$142.39$25,782.57
16$647.15$507.49$139.66$25,275.07
17$647.15$510.24$136.91$24,764.83
18$647.15$513.01$134.14$24,251.82
19$647.15$515.79$131.36$23,736.03
20$647.15$518.58$128.57$23,217.45
21$647.15$521.39$125.76$22,696.06
22$647.15$524.21$122.94$22,171.85
23$647.15$527.05$120.10$21,644.80
24$647.15$529.91$117.24$21,114.89
25$647.15$532.78$114.37$20,582.11
26$647.15$535.66$111.49$20,046.45
27$647.15$538.57$108.58$19,507.88
28$647.15$541.48$105.67$18,966.40
29$647.15$544.42$102.73$18,421.99
30$647.15$547.36$99.79$17,874.62
31$647.15$550.33$96.82$17,324.29
32$647.15$553.31$93.84$16,770.98
33$647.15$556.31$90.84$16,214.67
34$647.15$559.32$87.83$15,655.35
35$647.15$562.35$84.80$15,093.00
36$647.15$565.40$81.75$14,527.61
37$647.15$568.46$78.69$13,959.15
38$647.15$571.54$75.61$13,387.61
39$647.15$574.63$72.52$12,812.97
40$647.15$577.75$69.40$12,235.23
41$647.15$580.88$66.27$11,654.35
42$647.15$584.02$63.13$11,070.33
43$647.15$587.19$59.96$10,483.14
44$647.15$590.37$56.78$9,892.78
45$647.15$593.56$53.59$9,299.21
46$647.15$596.78$50.37$8,702.43
47$647.15$600.01$47.14$8,102.42
48$647.15$603.26$43.89$7,499.16
49$647.15$606.53$40.62$6,892.63
50$647.15$609.82$37.34$6,282.81
51$647.15$613.12$34.03$5,669.69
52$647.15$616.44$30.71$5,053.25
53$647.15$619.78$27.37$4,433.47
54$647.15$623.14$24.01$3,810.34
55$647.15$626.51$20.64$3,183.83
56$647.15$629.90$17.25$2,553.92
57$647.15$633.32$13.83$1,920.61
58$647.15$636.75$10.40$1,283.86
59$647.15$640.20$6.95$643.66
60$647.15$643.66$3.49$0.00

How Oklahoma taxes car purchases

State vehicle tax rate
4.5%
Trade-in lowers the tax
No
Tax cap
None
Source
Official source, checked 2026-10-05

These are the rules for a new car bought from a dealer. Used-car and private-sale rules can differ. How we check this data.

Oklahoma charges 4.5% at the state level. 3.25% excise tax plus 1.25% sales tax on new vehicles, both on the price before any trade-in. Used vehicles: $20 on the first $1,500, then 3.25%, plus the sales tax. That rate is higher than 14 states and lower than 36 states. County and city taxes may add to it, so check your local rate and enter the total in the calculator.

What to know in Oklahoma

Oklahoma charges two taxes on a new car: a 3.25% excise tax and a 1.25% sales tax, 4.5% in all. Both apply to the price before any trade-in.

That means a trade-in saves you nothing in tax here, so a private sale of your old car is worth considering. A new law, HB 1183 (effective July 1, 2026), changes how vehicles are valued for the excise tax, but it doesn't add a trade-in credit.

Does Oklahoma tax your trade-in?

Yes. Oklahoma taxes the full price of the new car even when you trade one in. On a $35,000 car you'd pay $1,575.00 in state tax with or without a $10,000 trade-in. Because trading in gives you no tax break here, selling your old car privately is often worth more.

Example: a car loan in Oklahoma

A $35,000 car with $5,000 down, $1,500 in fees, and a 60-month loan at 6.5% APR ($1,575.00 state tax, rolled into the loan):

Change any number in the calculator above to see your own figures.

Rebates and fees

The calculator charges tax on the price before any manufacturer rebate. Ask the dealer how Oklahoma treats your specific rebate. Title, registration and dealer documentation fees vary, so ask for an itemized out-the-door price and put the fee total in the calculator.

Other states

States with similar vehicle tax rates:

Compare car sales tax in all 50 states and DC