Missouri Auto Sales Tax Calculator
Estimate your 2025 vehicle purchase taxes with Missouri state and local county rates
Your Estimated Taxes and Fees
How to Use This Calculator
- Enter the vehicle price – The total purchase price before any trade-in
- Add trade-in value (if applicable) – Missouri allows trade-in deductions on dealer purchases
- Select your county – Local tax rates vary across Missouri
- Choose purchase type – Different rules apply for dealers vs private sales
- Click “Calculate” – Get instant tax and fee estimates
Tool Features
- 2025 tax rates – Up-to-date with current Missouri vehicle tax laws
- County-specific calculations – Accounts for local sales tax differences
- Trade-in deductions – Shows savings from vehicle trade-ins
- Private sale vs dealer – Different calculations for each purchase type
- Mobile-friendly – Works perfectly on all devices
- No registration required – Free and instant results
- Detailed breakdown – Shows all fee components separately
Frequently Asked Questions
Missouri calculates auto sales tax on the purchase price minus any trade-in allowance (for dealer purchases). The state charges 4.225%, and local counties add additional taxes ranging from 0.5% to 1.75%.
Yes, you’ll pay sales tax when titling the vehicle, calculated on the purchase price or standard presumptive value (whichever is higher). Trade-ins aren’t deductible for private sales.
As of 2025, Jackson County has the highest combined rate at 5.975%, followed by St. Louis County at 5.725%. Rural counties typically have just the state base rate of 4.225%.
Yes, beyond sales tax you’ll pay:
- Title fee: $8.50
- License fee: $6-$51 depending on vehicle type
- Processing fees (varies by dealer)
We update rates annually based on Missouri Department of Revenue announcements. This calculator reflects 2025 tax rates and fees.
