There are 3 owner-reported brakes complaints for the 2014 GMC Terrainin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
HAVE NOT DRIVEN VEHICLE FOR A MONTH OR MORE BECAUSE OF PRESSURE WHEN BRAKING. REQUIRED MORE PRESSURE WHEN HOLDING BRAKE AT RED LIGHT OR IN TRAFFIC. FELT AS IF MY FOOT WOULD SLIP OFF BRAKE.
BRAKE FAILURE. THE BRAKE VACUUM PUMP FAILED. I MARKED THE FAILURE AS TODAY AS THE DEALERSHIP CONFIRMED THE FAILURE. THE FAILURE OCCURRED A MONTH OR SO AGO. IT DOES NOT HAPPEN ALL OF TIME.
TL* THE CONTACT OWNS A 2014 GMC TERRAIN. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE STALLED WITHOUT WARNING AND THE ABS INDICATOR REMAINED ILLUMINATED. LANCE BUICK GMC IN MANSFIELD, MASSACHUSETTS WAS MADE AWARE OF THE FAILURE AND SCHEDULED A DIAGNOSTIC APPOINTMENT. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 16,900.
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 26, 2026