What Georgia requires and who has to test

Georgia requires emissions testing for most vehicles registered in the state, but the rules depend on where you live and what you drive. If you live in the Atlanta metro area — which includes Fulton, DeKalb, Gwinnett, Clayton, Cobb, Henry, and Douglas counties — your vehicle must pass an emissions test every two years. Outside that area, Georgia does not require emissions testing at all.

Vehicles that must test in the Atlanta region include gas-powered cars, trucks, and SUVs that are at least two model years old. Diesel vehicles, motorcycles, and vehicles registered as antiques or classics are exempt. If you just bought a vehicle or moved to Georgia, you typically have until your first registration renewal to complete your first test.

Key Takeaways

  • Only the seven-county Atlanta metro area requires emissions testing; the rest of Georgia does not.
  • Your vehicle must test every two years, and you need a passing result before you can renew your registration.
  • The test costs between $25 and $35 and takes about 10 minutes at any state-certified testing station.
  • If your vehicle fails, you have 30 days to repair it and retest at no additional charge.
  • You can find certified stations through the Georgia Department of Natural Resources website or by calling 404-656-4713.

Where to get tested and what it costs

Georgia's emissions tests are performed at state-certified testing stations, not at the Department of Motor Vehicles. These stations include independent repair shops, tire shops, quick-lube facilities, and some dealerships — any business that has passed Georgia's certification process. The test itself costs between $25 and $35, depending on the station.

To find a certified station near you, visit the Georgia Department of Natural Resources website and search their list of approved testers by county. You can also call the emissions program directly at 404-656-4713 and ask for a station in your area. When you call ahead, confirm that the station is currently certified and ask about their hours, since some stations close on certain days.

What happens during the test

The test itself takes about 10 minutes and measures how much pollution your vehicle's exhaust produces. The technician will connect a probe to your vehicle's tailpipe and run it through a series of engine speeds while recording the emissions data. You do not need to do anything except sit in the vehicle while this happens.

The technician will give you a printed result on the spot. If your vehicle passes, you receive a certificate that you can use to renew your registration. If it fails, the certificate will show which emissions standards your vehicle did not meet — usually either nitrogen oxides, hydrocarbons, or carbon monoxide levels that were too high.

What to do if your vehicle fails

If your vehicle fails the test, you have 30 days to repair the problem and retest at the same station at no additional charge. The station will give you a repair waiver that covers that 30-day window. You do not have to use the same repair shop — you can take your vehicle anywhere — but you must return to the same testing station for the retest.

Common reasons for failure include a faulty oxygen sensor, a loose or missing gas cap, a malfunctioning catalytic converter, or an engine that is running too rich (burning too much fuel). A mechanic can read your vehicle's diagnostic codes to pinpoint the problem. If repairs cost more than $500, you may be able to get a waiver that lets you register your vehicle anyway, but you will need to request this through the Georgia Department of Natural Resources before the 30 days expire.

Timing your test before registration renewal

You can take your emissions test any time during the two-year period between renewals, but you must have a passing result before you renew your registration. The test result is valid for 120 days, so if you test early in your renewal cycle, you will have plenty of time. If you wait until the last month, you risk running out of time if your vehicle fails and needs repairs.

Check your vehicle registration card to see when your renewal is due. You can test up to 90 days before that date and still use the result for that renewal. If your registration has already expired, you cannot legally drive the vehicle, so prioritize getting tested and renewing as soon as possible.

What happens if you do not test

If you live in the Atlanta metro area and do not have a passing emissions test on file, the Georgia Department of Motor Vehicles will not renew your registration. You cannot legally drive a vehicle with an expired registration. If you are pulled over, you face a fine and your vehicle may be impounded.

If you have already let your registration expire because you missed the test important date, contact the Georgia DMV to find out whether you can renew by mail or whether you must visit in person. You will need to show proof of a passing emissions test before your registration can be renewed.

Frequently Asked Questions

Can I test my vehicle before I buy it?

No, only the registered owner can request an emissions test. If you are buying a used vehicle, ask the seller to show you a passing test result from within the last 120 days. If the vehicle has failed recently, the seller should have had it repaired; if not, factor the repair cost into your offer.

What if I just moved to the Atlanta area?

You must test your vehicle before you renew your Georgia registration for the first time. If you moved from outside Georgia, you have until your first renewal date to complete the test. If you moved from another county in Georgia, the same rule applies — test before your next renewal.

Do I need to test if my vehicle is brand new?

No. Vehicles that are less than two model years old are exempt from testing. Once your vehicle reaches two model years old, you must test it before your next registration renewal. A 2023 vehicle, for example, would not need to test until 2025.

What if the testing station says my vehicle cannot be tested?

Some vehicles have mechanical problems that prevent testing — for example, a check engine light that will not turn off, or a fuel door that will not open. The station will give you a repair waiver and you have 30 days to fix the problem. Return to the same station once repairs are done.

Can I get a waiver if my vehicle keeps failing?

Yes, but only if you have made a good-faith repair attempt and repairs cost more than $500. You must request the waiver through the Georgia Department of Natural Resources before your 30-day repair period expires. Bring receipts showing what you spent on repairs.