2021 Acura TLX problems and complaints

Owners have filed 68 complaints with NHTSA about the 2021 Acura TLX. The most-reported areas: Power Train (26), Unknown Or Other (10), Service Brakes (10).

Key takeaways

  • 68 owner complaints on file with NHTSA.
  • 3 involve a crash, 0 a fire, 3 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Power Train2638%
Unknown Or Other1015%
Service Brakes1015%
Electrical System913%
Air Bags710%
Forward Collision Avoidance710%
Engine57%
Fuel/Propulsion System57%
Suspension57%
Steering34%
Lane Departure23%
Visibility/Wiper11%

One complaint can name several components, so shares add up to more than 100%.

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2021 Acura TLX 4 DR AWD5/55/55/55/5
2021 Acura TLX 4 DR FWD5/55/55/55/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Engine - filed 2026-09-11

I drive a 2021 Acura TLX TYPE S around 85K miles. I heard a loud clank when I was driving one day, and I loss traction. When I was accelerating I was losing traction and it seem like I lost power while I was moving as well. It seems like I'm driving front wheel drive. I let me foot of the gas and it seems like it's bac...

Power Train - filed 2026-08-29

The transfer case and transmission splines have been stripped causing the car to be FWD only. The issue was confirmed by the dealer, and both the transfer case and transmission were replaced under warranty. The car shuddered, followed by a drivetrain noise for a few seconds. No warning lights or messages appeared when ...

Power Train,unknown Or Other - filed 2026-08-26

transfer case leaking fluids at 73,000 miles

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More for the 2021 Acura TLX

Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.