There are 1 owner-reported powertrain & transmission complaints for the 2008 GMC Envoyin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2008 GMC ENVOY. THE CONTACT STATED THAT WHILE ATTEMPTING TO DRIVE UP AN INCLINE, THE VEHICLE MADE A TAPPING NOISE AND THE FOUR WHEEL DRIVE FAILED TO ENGAGE. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN DIAGNOSED THAT THE FRONT RIGHT SIDE OF THE SHAFT HOUSING FAILED, CAUSING THE FOUR WHEEL DRIVE TO FAIL. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 105,000 AND THE CURRENT MILEAGE WAS 109,000.
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