Emissions Inspection in Illinois: Requirements, Cost & Exemptions
Whether you're buying, selling, or renewing registration in Illinois, here's exactly what the emissions inspection program requires and what it costs.
Quick Reference
Is It Required?
Varies — check with state DMV
Emissions testing requirements vary widely by state. Some require statewide, some by county, some not at all.
Counties Affected
Varies by state
Many states only require testing in metropolitan or air-quality non-attainment areas.
Test Types
- OBD-II for 1996+ vehicles is the standard
- Visual inspection of emissions equipment
Cost & What to Expect
Typical cost: $10–$80 depending on state and test type
Some states fund testing publicly (free); most charge $15–$50 per test.
Exemptions
- Vehicles older than 25 years (classic)
- Vehicles in their first 1–2 model years
- Electric vehicles
- Motorcycles in some states
If Your Vehicle Fails
Some states offer income-based repair assistance
Check your state environmental agency for any low-income repair assistance programs.
Illinois Standout Rule
Illinois-Specific Facts for Emissions Inspection
Illinois Vehicle transfer fees and requirements
In Illinois, the title transfer fee is $150 and registration costs $151 per year. Vehicle sales are subject to 6.25% state tax on private sales; local taxes may add 1-4%. Illinois does not require notarization for private-party vehicle transfers. Emission testing is required in Illinois — verify the vehicle passes before completing the sale.
- Emissions testing required in Chicagoland and Metro-East St. Louis areas
- Private vehicle use tax applies based on purchase price
- Title transfer within 20 days of sale
- RUT-50 form required for private party purchases
Illinois sales tax on vehicle purchases
Illinois has a 6.25% state sales tax rate. 6.25% state plus 1–4% local taxes. Private-party vehicle sales in Illinois are subject to sales tax. Private vehicle use tax applies based on purchase price bracket. The title transfer fee is $150.
Illinois bill of sale statistics
BillOfSaleNow has generated 3,087 bill of sale documents for Illinois transactions, with 83 generated this month alone. The most popular vehicle type is car.
More Illinois Vehicle Guides
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- Rental Vehicle Buyout in Illinois
- Repossession Redemption in Illinois
- Stolen Vehicle Recovery in Illinois
- Temporary Operating Permit in Illinois
- Trade-In Tax Credit in Illinois
Each guide is written specifically for Illinois laws, agencies, and procedures. Bookmark for future reference.
Frequently Asked Questions
Is emissions inspection required in Illinois?
Varies — check with state DMV. Emissions testing requirements vary widely by state. Some require statewide, some by county, some not at all.
How often do I need an emissions test in Illinois?
Most testing states require annual or biennial inspection. Test schedule is usually tied to registration renewal cycles.
How much does an emissions inspection cost in Illinois?
$10–$80 depending on state and test type. Some states fund testing publicly (free); most charge $15–$50 per test.
Who is exempt from emissions testing in Illinois?
Exempt categories include: Vehicles older than 25 years (classic), Vehicles in their first 1–2 model years, Electric vehicles, and others. See full list on the official agency site.
What happens if my vehicle fails emissions in Illinois?
Some states offer income-based repair assistance. Check your state environmental agency for any low-income repair assistance programs.
Selling After Passing Inspection?
A compliant Illinois bill of sale lets you transfer ownership cleanly after your vehicle passes its inspection.
Generate Bill of SaleSource: State Environmental Protection Agency or DMV. Emissions rules change periodically — verify current requirements before scheduling a test.