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What 370 owners told NHTSA about the 2019 GMC Acadia

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (370)Crash / fire / injury (8)Transmission & drivetrain (150)Electrical system (103)Engine (47)Steering (29)Brakes (16)Lights (10)Driver assistance (6)Lane Departure (6)Engine & cooling (5)Suspension (5)

2 of 370 complaints match · Brakes · crash/fire/injury only · clear filters

Nov 29, 2021AirbagsBrakesCrash1 injury

The contact owns a 2019 GMC Acadia. The contact stated that while driving 40 mph, the brake pedal was applied but failed to slow the vehicle down. As a result, the contact rear ended a Chevrolet Tahoe. The air bags failed to deploy. A police report was filed. There was no reported fire. The contact sustained soreness to the body and medical attention was provided. The vehicle was towed to an independent body shop for structural damage. The contact stated that after the vehicle was in her possession the safety restraint system service message was displayed. The fuel gauge went from full to empty in seconds and the engine stalled. The vehicle was taken to the local dealer where the brakes were bleed. The vehicle was repaired. The manufacturer was notified however, no further assistance was provided. The failure mileage was 33, 717.

NHTSA ODI 11441919

Feb 18, 2021BrakesCrash

THE VEHICLE DID NOT STOP PROPERLY WHEN THE BRAKES WERE APPLIED HARD TO AVID A COLLISION.

NHTSA ODI 11396740

Working with the data? Download all 370 complaints as CSV · fetched from NHTSA July 10, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2019 GMC Acadia verdict →