Car Buying Costs in Illinois
Everything you need to know about taxes, fees, and the total out-the-door cost of purchasing a vehicle in Illinois.
State Sales Tax
6.25%
Doc Fee Limit
$377.63
Registration
$151
Title Fee
$150
Illinois Cost Calculator
Estimate your total out-the-door cost
Many cities add their own sales tax on top of the 6.25% state rate
Cost Breakdown
Estimates are based on typical Illinois fees. Actual costs vary by county, city, and dealer. Always ask for a complete out-the-door quote before purchasing.
Illinois Car Purchase Fee Details
| Fee | Amount |
|---|---|
| State Sales Tax | 6.25% |
| Doc Fee | Up to $377.63 |
| Registration | $151 |
| Title Fee | $150 |
| Vehicle Inspection | Not Required |
| Emissions Test | Required |
Illinois Negotiation Tips
- 1.Illinois caps doc fees at $336.68 - don't pay more
- 2.Chicago-area dealers are highly competitive - get multiple quotes
- 3.Watch for add-on fees that circumvent the doc fee cap
Illinois Market Insights
- •Chicago metro has massive dealer competition and inventory
- •Emissions testing required in the Chicago metro and Metro East areas
- •Road salt causes serious rust - inspect used car undercarriages carefully
Illinois at a Glance
Best Time to Buy
End of month and end of year for best deals
Avg. Dealer Markup
1-3% in Chicago metro, higher downstate
Doc Fee Status
Capped at $377.63
Frequently Asked Questions About Buying a Car in Illinois
What is the car sales tax rate in Illinois?▼
The state sales tax rate for vehicle purchases in Illinois is 6.25%. Many cities and counties add additional local taxes, so your total rate may be higher. Use our calculator above to estimate your total tax with local rates included.
How much does it cost to register a car in Illinois?▼
Vehicle registration in Illinois typically costs $151. The title fee is $150. No vehicle inspection is required. An emissions test is required in certain areas.
Are dealer doc fees capped in Illinois?▼
Yes, Illinois caps dealer documentation fees at $377.63. Capped at $377.63 for 2026 (adjusted annually for inflation)
When is the best time to buy a car in Illinois?▼
End of month and end of year for best deals. Additionally, shopping at the end of the month or quarter can help, as dealers work to meet sales targets. In Illinois, 1-3% in Chicago metro, higher downstate.
Find the Best Car Deals in Illinois
Now that you know what to expect for taxes and fees, browse verified deals from real buyers in Illinois.