Buying a car in Missouri means paying a state sales tax of 4.225% plus your local city or county rate, which together land somewhere between about 4.225% and over 10% depending on where you live.1Missouri Department of Revenue. Motor Vehicle Sales Tax Rate Chart You pay the tax yourself, in person, at a Department of Revenue license office within 30 days of the purchase date — the dealer does not collect it at the time of sale.2Missouri Department of Revenue. Buying a Vehicle Missing that 30-day window triggers an automatic penalty.
Figuring Out Your Rate
The 4.225% state rate is the same for every buyer, every vehicle, and whether you buy from a dealer or a private seller.3Missouri Department of Revenue. Sales/Use Tax What varies is the local portion stacked on top. Some rural areas add nothing. Some cities add as much as 6.5%.1Missouri Department of Revenue. Motor Vehicle Sales Tax Rate Chart
The local rate is tied to your residential address, not to where you bought the car. If you live inside city limits and that city imposes a local sales tax, you pay the city rate. If you live outside city limits, or your city doesn’t impose one, the county rate applies. The Department of Revenue publishes a rate chart covering every city and county, and offers an online lookup through MyTax Missouri. Check it before you sign anything, so the number at the license office doesn’t surprise you.
What Amount Gets Taxed
You don’t pay tax on the sticker price. Missouri taxes the net purchase price after certain deductions.
Trade-In
If you trade a vehicle you already own in to the dealer, the trade-in allowance is subtracted from the purchase price before tax is calculated. A $30,000 car with a $10,000 trade-in means you pay tax on $20,000, which at a combined 8% rate saves you $800.4Missouri Revisor of Statutes. Missouri Revised Statutes 144.025 – Transactions Involving Trade-in or Rebate, How Computed The bill of sale has to show the actual trade-in allowance for the deduction to apply.
Manufacturer Rebate
Rebates from the seller or manufacturer also come off the taxable amount. A $3,000 rebate on a $30,000 vehicle leaves you taxed on $27,000. The bill of sale or another record has to document the rebate.4Missouri Revisor of Statutes. Missouri Revised Statutes 144.025 – Transactions Involving Trade-in or Rebate, How Computed
The 180-Day Private-Sale Credit
The trade-in deduction only works when you hand the old car to the dealer. If you sell your old vehicle privately instead, Missouri still lets you reduce the tax on the new one, as long as the two transactions fall within 180 days of each other (the sale can come before or after the purchase). The private sale price gets applied as a credit against the purchase price of the replacement vehicle for tax purposes.4Missouri Revisor of Statutes. Missouri Revised Statutes 144.025 – Transactions Involving Trade-in or Rebate, How Computed
To claim it at the counter, bring the bills of sale for both transactions when you title the new vehicle. If you already paid tax on the new vehicle before selling the old one, you can apply for a refund using Form 426, mailed with a legible copy of your Missouri title receipt for the purchased vehicle and either a completed Bill of Sale (Form 1957) or Notice of Sale (Form 5049) for the vehicle you sold.5Missouri Department of Revenue. Request for Refund of Taxes or Fees Paid on Vehicle or Marine Miss the 180-day window and the credit is gone.
When No Sales Tax Is Owed
A vehicle given as a genuine gift, with no money or anything of value exchanged, is not taxed to the new owner. This isn’t limited to family members.6Missouri Department of Revenue. Selling a Vehicle The paperwork has to match the claim: the word “GIFT” goes in the sale price area of the title (not “$0” or “$1”), the giver completes Form 768 (General Affidavit) certifying no consideration changed hands,7Missouri Department of Revenue. General Affidavit and both parties sign Form 5049 reporting the transfer. A false statement on the affidavit is a criminal offense, so disguising a sale as a gift to dodge tax is not a safe shortcut.
One boundary worth knowing: buying from an out-of-state dealer or private seller doesn’t get you out of Missouri tax. If you title the vehicle in Missouri, you owe the same 4.225% plus local rate, and you have the same 30 days to pay it.2Missouri Department of Revenue. Buying a Vehicle
Where and When You Pay
The 30-day clock starts the day you sign the bill of sale. You pay at a Missouri Department of Revenue license office in person; there is no online portal for paying vehicle sales tax or filing the titling paperwork.8Missouri Department of Revenue. Online Services License offices take personal checks, money orders, and major credit cards, though credit cards typically carry a processing fee. You can’t title the vehicle without paying everything that day, so bring the full amount.
Missouri has announced plans to eventually require dealerships to collect sales tax at the point of sale through a new system called FUSION. Until that system is fully operational, the current in-person process applies to every purchase, including dealer sales.9Missouri Department of Revenue. Department of Revenue News Release Private-party purchases will continue to go through the license office either way.
Fees You’ll Pay Alongside the Tax
Sales tax is the biggest line, but several flat fees get added at the counter:
- Title fee: $8.50
- Title processing fee: $9.00
- Electronic transmission fee: $2.00 (if applicable)
- Registration processing fee: $9.00 for a one-year registration, $18.00 for two years
- Registration (license plate) fee: based on taxable horsepower, ranging from $18.25 to $51.25 per year for passenger vehicles10Missouri Department of Revenue. Motor Vehicle Fees
For a typical passenger car, expect roughly $45 to $90 in combined fees on top of your sales tax. These are the same whether you buy from a dealer or a private party.2Missouri Department of Revenue. Buying a Vehicle
What Happens If You’re Late
Miss the 30-day deadline and an automatic $25 penalty hits on the 31st day. The penalty grows by another $25 for every additional 30 days you remain late, up to a cap of $200.11Missouri Revisor of Statutes. Missouri Code 301.190 The director of revenue can waive the penalty for good cause, but that’s not something to plan around.
The bigger risk is what else can happen. If the Department of Revenue finds you failed to title a vehicle within 30 days, it can cancel the registration on every vehicle registered in your name — sole owner or co-owner — until you pay the delinquency penalty and all outstanding fees.11Missouri Revisor of Statutes. Missouri Code 301.190 Your daily driver can lose its registration because you were late titling a second car. Treat the 30 days as firm.