One problem related to engine shut off without warning has been reported for the 2011 GMC Acadia. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 GMC Acadia based on all problems reported for the 2011 Acadia.
Motor stops running while in movement in gears of forward and reverse. Driver has no control of the car. Steering works but no breaks or power to power train. Motor just shuts down with out any notice. This happens while in movement on public roads, freeways and while parking.