2019 GMC Acadia problems and complaints

Owners have filed 386 complaints with NHTSA about the 2019 GMC Acadia. The most-reported areas: Power Train (154), Unknown Or Other (120), Electrical System (105).

Key takeaways

  • 386 owner complaints on file with NHTSA.
  • 5 involve a crash, 2 a fire, 2 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Power Train15440%
Unknown Or Other12031%
Electrical System10527%
Engine5314%
Steering339%
Service Brakes164%
Exterior Lighting103%
Forward Collision Avoidance62%
Lane Departure62%
Engine And Engine Cooling51%
Suspension51%
Fuel/Propulsion System41%

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

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2019 GMC Acadia SUV AWD5/55/55/54/5
2019 GMC Acadia SUV FWD4/55/55/54/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Power Train,electrical System - filed 2026-09-19

While attempting to turn vehicle off, the message shift to park was given. Could not shut vehicle off! Has happened multiple times in the past, then disappears for awhile. Comes back again at will. Have seen multiple complaints on this issue falling back to a defective micro-switch within the shifter assym. Former GM ...

Engine - filed 2026-09-18

I own a 2019 GMC Acadia equipped with the 3.6L V6 engine. VIN. See form above In 2025, the engine coolant thermostat failed on my vehicle and required replacement at my expense. I am submitting this complaint because I believe this may represent a recurring component problem affecting 2019 GMC Acadia vehicles and I wo...

Fuel System, Gasoline - filed 2026-09-15

The contact owns a 2019 GMC Acadia. The contact stated that the fuel gauge displayed an inaccurate fuel level. The fuel sending unit was replaced twice; however, the failure persisted. The contact became aware of the recurring failure while refueling the vehicle and noticing that the vehicle consumed more fuel than the...

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More for the 2019 GMC Acadia

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.