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Does Tennessee require smog checks?

I’m looking to register my out-of-state car in Tennessee. Does Tennessee require a smog check for vehicles?

avatar
Jacqulyn Graber · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Drivers in the state of
Tennessee
who reside in a county with mandatory testing must get their vehicles to pass a vehicle emissions test (a.k.a. a “smog check”) before being able to obtain a
Tennessee vehicle registration
or registration renewal.
Counties with mandatory smog checks include:
  • Hamilton
  • Rutherford
  • Sumner
  • Williamson
  • Wilson
Gas and diesel vehicles weighing less than 10,500 lbs and made in 1975 or newer, must get a Tennessee smog check. This includes salvaged, homemade, rebuilt, and hybrid vehicles.
Brand new vehicles getting their first registration, motorcycles, vehicles weighing more than 10,500 lbs, all-electric vehicles, and vehicles with antique registrations are exempt.
Smog checks must be performed annually and cost $9.
MORE: How to pass emissions testing
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