Which vehicles require an emissions inspection in Connecticut?

In Connecticut, vehicles newer than four years old or older than 25 years must undergo an emissions inspection before registration.

Where can I get my vehicle emissions inspected in Connecticut?

You can visit any authorized emissions testing center in Connecticut to have your vehicle inspected and receive the necessary certificate for registration.

What happens if my vehicle fails the emissions inspection in Connecticut?

If your vehicle fails the emissions inspection, you must have it repaired and pass a reinspection before you can register the vehicle.

Do I Need an Emissions Inspection to Register My Car in Connecticut?

Learn when an emissions inspection is required for vehicle registration in Connecticut, including rules for newer and older cars.

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Jul 27, 2026

Yes, in Connecticut, an emissions inspection is required if your vehicle is newer than four years old or older than 25 years. Ensure your vehicle passes this inspection before registering it. Visit an authorized emissions testing center, and once your vehicle passes, you will receive a certificate that you need for registration.

FAQs & Answers

Which vehicles require an emissions inspection in Connecticut? In Connecticut, vehicles newer than four years old or older than 25 years must undergo an emissions inspection before registration.
Where can I get my vehicle emissions inspected in Connecticut? You can visit any authorized emissions testing center in Connecticut to have your vehicle inspected and receive the necessary certificate for registration.
What happens if my vehicle fails the emissions inspection in Connecticut? If your vehicle fails the emissions inspection, you must have it repaired and pass a reinspection before you can register the vehicle.

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