There are 7 owner-reported body & structure complaints for the 2010 GMC Terrainin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE REAR DOOR AIR LIFT WILL NOT STAY OPEN WHEN YOU PRESS THE BUTTON. ON 2 OCCASIONS I HIT MY HEAD BECAUSE I DID NOT KNOW IT HAD DROPPED DOWN WHEN I WAS LOADING AND UNLOADING GROCERIES. THE VEHICLE WAS PARKED IN A PARKING LOT AND IN MY GARAGE. IT WAS NOT RUNNING. I FOUND AN ENTIRE PAGE ON THE INTERNET OF MANY PEOPLE HAVING THE SAME ISSUES. IT IS CALLED THE TERRAIN FORUM.NET . THIS IS VERY DANGEROUS BECAUSE SOME PEOPLE HAVE SAID THEY HAVE HAD THEM DEAD FALL. PEOPLE COULD BE INJURED OR KILLED BY THE FORCE OF THIS DOOR COMING DOWN ON THEIR HEADS. GMC HAS RECALLS ON THIS PROBLEM WITH SOME OF THEIR OTHER CALLS BUT NOT THE GMC TERRAIN. I TALKED WITH THEM TODAY AND THEY SAID THEY HAVE NOT HAD ENOUGH COMPLAINTS TO HAVE A RECALL! HERE IS THE LINK TO THE TERRAIN FORUM HTTPS://WWW.GOOGLE.COM/SEARCH?SOURCEID=NAVCLIENT&AQ=&OQ=TERRAIN+FORUM&IE=UTF-8&RLZ=1T4ADFA_EN___US607&Q=GMC+TERRAIN+FORUMS+DISCUSSIONS+&GS_L=HP..3.0J0I22I30L4.0.0.0.18414...........0.ZC-SM_RUIMS#Q=LIFT+GATE+WILL+NOT+STAY+OPEN+ON+MY+2010+GMC+TERRAIN
TL* THE CONTACT OWNS A 2010 GMC DENALI. THE CONTACT STATED THAT THE DASHBOARD CRACKED WHERE THE AIR BAG WAS LOCATED. THE CONTACT TOOK THE VEHICLE TO THE DEALER, BUT IT WAS NOT DIAGNOSED OR REPAIRED BECAUSE IT WAS OUT OF WARRANTY AND NOT INCLUDED IN A RECALL. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 75,000.
I KNOW IM NOT THE ONLY PERSON WHO HAS THIS PROBLEM WITH THEIR TERRAIN...I BOUGHT IT BRAND NEW DEC 2010..AND NOW IM TRYING TO UNDERSTAND WHY THE PAINT IS PEELING OFF THE VEH DOWN TO THE BARE METAL..IT MAKES NO DIFFERENCE THAT MY VEH HAS 70K MILES ON IT....APPARENTLY THE GM HAS A PROBLEM WITH THE PAINTING PROCESS AT THE PLANT WHERE IT WAS BUILD.....I FOUND A TERRAIN FORUM ON THE INTERNET WHERE EVERYBODY CAN COMPLAIN ABOUT THEIR VEHICLES AND LOW AND BEHOLD THERE IS A PAINT PROBLEM.. *TR
IN OCTOBER OF 2011, I HIT A SMALL STUMP ON THE FRONT DRIVER SIDE OF THIS VEHICLE. WHEN I DID THIS IT SHEARED OFF THE 3 BOLTS (LEFT, CENTER AND RIGHT SIDE) GOING ACROSS THE CROSSBARS AND DROPPED BOTH CROSSBARS OFF THE FRONT OF THIS VEHICLE. I DIDN'T UNDERSTAND HOW IT COULD HAVE TAKEN THE CROSSBAR ON THE PASSENGER SIDE UNTIL I SAW THE SIZE OF THESE BOLTS HOLDING THE CROSSBARS ON. IT'S A JOKE!!! 2010 GMC TERRAIN OWNERS BE CAREFUL BECAUSE IT DOESN'T TAKE MUCH TO SHEAR THESE BOLTS OFF AND IT WILL NOT BE COVERED BY YOUR WARRANTY. *TR
TL*THE CONTACT OWNS A 2010 GMC TERRAIN. WHILE PARKED, THE CONTACT ENTERED THE VEHICLE AND NOTICED THE HEADLINER WAS HANGING DOWN FROM IN THE REAR. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE IT WAS REPAIRED. THE FAILURE OCCURRED TWICE AFTER AND THE VEHICLE WAS TAKEN BACK TO THE DEALER TO BE REPAIRED. THE FAILURE MILEAGE WAS 32 AND THE CURRENT MILEAGE WAS 3,900.
RE: 2010 GMC TERRAIN, WHEN THE REAR WINDOWS ARE PARTIALLY OR FULLY OPEN, OR BEING OPENED, AT SPEEDS OF 45 MPH OR GREATER THE VEHICLE STARTS TO SHAKE AND VIBRATE. THE HIGHER THE SPEED THE MORE SEVERE THE SHAKING BECOMES. IT IS SIMILAR TO THE SHAKING YOU GET AFTER A BLOW OUT AND GETS DANGEROUS AT HIGH SPEEDS. *TR
MY 2010 GMC TERRAIN WAS MANUFACTURED WITH A RAZOR SHARP EDGE ALONG THE INSIDE ENTIRE ROOF RACK SLICING MY ARM OPEN WHILE WASHING MAY CAR. *TR
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