One problem related to transmission not engage has been reported for the 2007 GMC Acadia. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 GMC Acadia based on all problems reported for the 2007 Acadia.
While driving at over 65 mph in heavy traffic, the transmission disengages, causing car to coast to a stop. Reduced engine and transmission performance. Also intermittent driveabililty issues, transmission does not shift, false messages/codes stabilitrak, air bag, onstar, oil and gas gauges, etc. . At 122,936 miles in July, 2014, transmission replaced at cost of $4967. 42.