One problem related to engine stall has been reported for the 2015 GMC Terrain. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 GMC Terrain based on all problems reported for the 2015 Terrain.
Leaving my parking spot after going out to eat I went in reverse and the vehicle stalled at about 5mph, turned the car completely off and then turned back on. Put it in drive and just as I started to accelerate it stalled. This happened 10-12 times while I was trying to leave the parking lot. Vehicle stalled while leaving car wash as I was excelleratig our. Vehicle stalled as I was leaving a complete stop from a stop sign on a city street. Something is wrong with the engine stalling while starting to accelerate. 43,000 miles from first occurrence currently at 43,300 still happening on a regular basis.