WE PURCHASED THE GMC TERRAIN WITH THE 4 CYLINDER ENGINE FOR THE GAS MILEAGE OF 32 MPG, AFTER GETTING ONLY 26 MPG WE CALLED GMC AND TOOK THE TERRAIN IN FOR SERVICE. ALSO FILED COMPLAINT WITH GMC. WAS TOLD THEIR WAS NOTHING THEY COULD DO. THE ENGINE MAKES NOISES AND RUNS ROUGH AND STALLS AT TIMES MOSTLY IN THE MORNINGS. AFTER SERVICE NOW WE GET ONLY 25 MPG.
2011
POWER TRAIN
TL* THE CONTACT OWNS A 2011 GMC TERRAIN. THE CONTACT STATED THAT THERE WAS AN OIL LEAK AND THE VEHICLE SHIFTED ERRATICALLY. THE VEHICLE WAS TAKEN TO THE DEALER SEVERAL TIMES WHERE IT WAS CONFIRMED THAT THERE WAS AN OIL LEAK AND THE THROTTLE BODY NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED AND THE TRANSMISSION WAS EVENTUALLY REPLACED BUT BOTH FAILURES RECURRED. THE MANUFACTURER WAS CONTACTED ABOUT THE FAILURE. THE FAILURE MILEAGE WAS 26,000.