There are 1 owner-reported body & structure complaints for the 2018 GMC Acadiain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
FRONT SUNROOF EXPLODED ON JULY 25, 2018. DRIVING DOWN ROAD HEARD LOUD GUN SHOT LIKE SOUND AND THE GLASS STARTED POURING IN. MOST THE GLASS WENT TO THE BACK SEAT WHERE MY 4 AND 5 YEAR OLD WERE IN THEIR CAR SEATS. WE WERE HEADED ON VACATION FORM ARKANSAS TO THE BEACH IN ALABAMA. THE VEHICLE WAS IN MOTION. TWO LANE HIGHWAY IN THE MIDDLE OF NO WHERE NO CARS IN SIGHT. WEATHER WAS CLEAR.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026