THE TRUCK HAS A HORRIBLE VIBRATION FROM AROUND 45 MPH AND UP. HAVE TEST DROVE OTHER 2016 GMC SIERRAS WITH SAME ISSUE. HAVE TAKEN IT BACK TO THE DODGE DEALERSHIP WE BOUGHT IT FROM AND THEY SAID IT SHOULD BE A RECALL
2016 GMC Sierra powertrain problems
moderate 10 complaints filed with NHTSA · avg repair $2,500
Complaints
10
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 7 most recent
APPARENTLY, THE 8 SPEED AUTOMATIC TRANSMISSION HAS ISSUES WITH WIRING HARNESS AND HARD SHIFTING WHICH THE MANUFACTURER HAS 18 SERVICE BULLETINS OUT ON YET STILL WILL NOT RECALL AND FIX PROBLEMS. ALSO THE BRAKE SYSTEM IS FAULTY AND UNSAFE IT LOSES PRESSURE AND EVEN BRAKING AT VARIOUS SPEEDS. AFTER TAKING IT TO THE DEALERSHIP THEY CAN NOT FIGURE OUT WHY AND SAY IT IS VARIOUS PARTS AND SHOULD BE RE…
THIS ISSUE STARTED A FEW MONTHS AFTER I PURCHASED THE TRUCK TOOK IT TO TWO DEALERS THEY SAY ITS NORMAL. CALLED GMC & THEY HAVE NO RECALL. WHEN DRIVING THE TRUCK & HAVE TO SLOW DOWN IN TRAFFIC THE AUTOMATIC TRANSMISSION DOWN SHIFTS & HAS A VERY NOTICABLE JERK. WILL ACTUALLY JERK THE HOLE TRUCK. PEOPLE WHO HAVE RODE WITH ME TELL ME I HAVE A TRANSMISSION PROBLEM. WHAT CAN I DO
8 SPEED TRANSMISSION BUCKS, HESITATES, LURCHES FORWARD, CLUNKS, WHILE STARTUNG ACCELERATION OR COMING TO A STOP. I TRY TO KEEP A BIG GAP BETWEEN MY TRUCK AND CARS IN FRONT OF ME AT STOP SIGNS BECAUSE IT RANDOMLY LURCHES FORWARD AND I ALMOST HAVE BUMPED CARS IN FRONT OF ME. I HAVE HAD THE TRUCK INTO THE DEALER SO MANU TIMES TO FIX THE VIBRATION ISSUES AS WELL, THEY SAID 3 TIRES THAT CAME IN THE BRA…
TRUCK SHIFTS REALLY HARD AND IS UNPREDICTABLE. I ALMOST DROVE THROUGH MY GARAGE DOOR THE OTHER DAY SHIFTING TO DRIVE FROM REVERSE. TRUCK WILL LUNGE FORWARD OR DELAY IN SHIFTING. THERE HAVE BEEN A FEW TIMES I'VE HAD TO SLAM ON THE BRAKES BEFORE I BACKED INTO SOMETHING. I HAVE BROUGHT IT IN 3-4 TIMES FOR THE ISSUE AND GMC WON'T REMEDY THE PROBLEM.
BRAKE FAILURE ISSUE AT LOW SPEED. THIS HAPPENED IN TWO SEPARATE OCCURRENCES IN PARKING LOTS. THE BRAKE PEDAL BECAME VERY STILL AND REQUIRED GRABBING THE STEERING WHEEL AND USING IT TO PULL MYSELF DOWN HARDER ON THE BRAKE PEDAL TO GET THE VEHICLE TO STOP. THIS RESULTED IN GREATLY INCREASED STOPPING DISTANCE. FORTUNATELY NO VEHICLES OR PEOPLE WERE IN MY PATH DURING THESE OCCURRENCES. GM HAS SIN…
LOOSES BRAKE ASSISTANCE IN PARKING LOT AND SOMETIMES ON THE HIGHWAY,CHECK ENGINE LIGHT COMES ON WITH VARIOUS CODES THE MOST COMMON IS MISFIRE ON STARTUP IT HAPPEN IN DIFFERENT OCCASIONS.
Common questions
How serious is the powertrain problem on the 2016 GMC Sierra?
It's a documented issue but not catastrophic. 10 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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