2018 Acura TLX problems and complaints

Owners have filed 98 complaints with NHTSA about the 2018 Acura TLX. The most-reported areas: Engine (31), Electrical System (20), Engine And Engine Cooling (14).

Key takeaways

  • 98 owner complaints on file with NHTSA.
  • 3 involve a crash, 1 a fire, 2 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Engine3132%
Electrical System2020%
Engine And Engine Cooling1414%
Fuel/Propulsion System1414%
Unknown Or Other1313%
Power Train1111%
Forward Collision Avoidance88%
Lane Departure77%
Service Brakes77%
Steering66%
Vehicle Speed Control44%
Suspension22%

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

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NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2018 Acura TLX 4 DR FWD5/55/55/55/5
2018 Acura TLX 4 DR AWD5/55/55/55/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Engine - filed 2026-11-02

The contact owns a 2018 Acura TLX. The contact stated that while driving 30 MPH, there was an abnormal knocking sound coming from the engine. Upon inspection, the contact became aware of an oil leak underneath the vehicle. The vehicle was taken to a dealer and was diagnosed with engine failure. The contact was informed...

Engine And Engine Cooling - filed 2026-10-29

The contact owns a 2018 Acura TLX. The contact stated that while driving at approximately 70 MPH, there was an engine knocking sound coming from the vehicle, and the vehicle failed to accelerate properly and decelerated. The vehicle was driven to the local dealer, who diagnosed that the rod bearings had failed and the ...

Engine And Engine Cooling - filed 2026-10-26

The contact owns a 2018 Acura TLX. The contact stated that while driving and accelerating there was a knocking sound coming from the engine. The vehicle was later towed to the local dealer who diagnosed that the engine rod bearings had failed, and the contact was informed that the engine needed to be replaced. The cont...

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More for the 2018 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.