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Oklahoma car sales tax calculator

Estimated sales tax on a car in Oklahoma
$450
$30,000 vehicle · $20,000 trade-in · trade-in credit assumed (rule uncertain; verify)
  • Taxable amount$10,000
  • State tax (4.5%)$450.00
  • State tax saved by trade-in$900.00
  • Price + tax (before doc, title, registration)$30,450

No local vehicle tax in OK; state rate is the full tax. Source: Oklahoma Tax Commission (68 O.S. 2103 motor vehicle excise tax).

$20k used$30k car$40k + $10k trade$60k truck + $20k trade

✓ No local tax on vehicles: Oklahoma charges a state motor vehicle excise tax (3.25%, plus 1.25% sales tax on new vehicles); no local tax.

Source: Oklahoma Tax Commission (68 O.S. 2103 motor vehicle excise tax) (checked October 12, 2026).

Oklahoma: 3.25% excise tax plus 1.25% sales tax on vehicles (approx.). Doc fees, rebates and add-ons may or may not be taxable depending on the state; not modeled.

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Oklahoma car sales tax, at a glance: 4.5% state tax on vehicle purchases. Oklahoma: 3.25% excise tax plus 1.25% sales tax on vehicles (approx.). Trade-in credit: uncertain. A $30,000 car owes about $1,350 in state tax, or $900 with a $10,000 trade-in.

⚠ Uncertain data for Oklahoma: vehicle tax rate, trade-in rule. Verify before relying on it.

Base sales tax: Tax Foundation, Facts & Figures 2026, Table 18 (State & Local Sales Tax Rates), as of January 1, 2026. Vehicle rules: Best-effort, checked October 12, 2026.

Oklahoma car sales tax by price

Vehicle priceState tax, no tradeWith $10,000 trade-in
$15,000$675$225
$20,000$900$450
$25,000$1,125$675
$30,000$1,350$900
$40,000$1,800$1,350
$50,000$2,250$1,800
$60,000$2,700$2,250

State-level tax only; add your county or city rate in the calculator above.

Sources & as-of dates

Oklahoma auto loan calculator → · Oklahoma mortgage calculator · All states

FAQ

How much is car sales tax in Oklahoma?

4.5% at the state level. Oklahoma: 3.25% excise tax plus 1.25% sales tax on vehicles (approx.). Local taxes may add. On a $30,000 car with no trade-in that's about $1,350 in state tax.

Does Oklahoma charge sales tax on a trade-in?

Unclear. Reports conflict on whether Oklahoma's vehicle excise tax allows a trade-in deduction; full credit assumed, verify. (Best-effort; verify with the state DMV or revenue department.)

Is Oklahoma's general sales tax the same as its car tax?

Oklahoma's statewide general sales tax is 4.5% (Tax Foundation, Facts & Figures 2026, Table 18 (State & Local Sales Tax Rates), as of January 1, 2026); the rate applied to vehicles is 4.5%.

Does Oklahoma add county or city tax on a car?

No. Oklahoma charges a state motor vehicle excise tax (3.25%, plus 1.25% sales tax on new vehicles); no local tax. (Oklahoma Tax Commission (68 O.S. 2103 motor vehicle excise tax)).

Does this include the doc fee, title and registration?

No. Those vary by dealer, county, vehicle weight and value. The auto loan calculator for this state lets you add a doc fee and title/registration.

Is this tax advice?

No. Estimates from best-effort state rules, not tax or financial advice; confirm with your state agency or dealer.

Estimates, not financial advice. Taxes, insurance, PMI and fees vary by lender, county and city; confirm with your lender, dealer and state agency before acting.