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2011 GMC Sierra Owner Complaints

Updated May 30, 20261 Critical Recalls
Ryan Davis

Complaint Summary

The 2011 GMC Sierra has 67 reported complaints.

  • Top issues involve unknown or other and air bags.

Reliability Score

Reliability Score

8.0/ 10

Based on 67 complaints

Most Frequent Issues

UNKNOWN OR OTHER

11 16.4%

AIR BAGS

10 14.9%

ENGINE

7 10.4%

ELECTRONIC STABILITY CONTROL (ESC)

4 6%

VEHICLE SPEED CONTROL

4 6%

Quick Insights

  • The top category is UNKNOWN OR OTHER, accounting for 16.4% of all complaints.

  • Owners have reported issues across 24 distinct vehicle systems.

  • Note: Complaint data reflects owner reports and may not always indicate a verified defect. Compare with Recalls and TSBs for a complete picture.

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Complaint Summary

What owners keep reporting on the 2011 GMC Sierra

The 2011 GMC Sierra has 67 owner complaints in this dataset. UNKNOWN OR OTHER is the most common complaint category, representing about 16% of the reports shown here.

Most common complaint categories

The top complaint groups for the 2011 GMC Sierra are UNKNOWN OR OTHER (11), AIR BAGS (10), ENGINE (7).

Are these complaints a serious red flag?

Potentially. 29 complaint reports involve higher-attention systems like brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components, which is enough to justify a focused inspection.

What should buyers inspect on a used 2011 GMC Sierra?

Start with the top complaint systems, compare them against the recall report, then inspect service records for evidence that those same areas were already repaired or monitored.

Read the full buyer guideRecall report and remedy notesMaintenance costs and intervals2012 Sierra complaints2013 Sierra complaints2014 Sierra complaints

Detailed Complaint Log

Showing 24 of 24 systems

UNKNOWN OR OTHER

11 Reports16% of total

Previewing the first 2 complaint summaries.

NOTICED FRONT DASH WAS CRACKED IN AUGUST 2014. DEALER WILL NOT REPAIR. MY WIFE HAD A 2007 TAHOE WHICH HAD THE SAME PROBLEM IN DASH. MY 2 SON-IN-LAW HAVE THE SAME PROBLEM NOW, ONE HAS A 2011 SIERRA AND THE OTHER HAS A 2010 SILVERADO.

1/6/2015

MY TRUCK HAS DEVELOPED CRACKS ON BOTH SIDES OF THE DASH. THE ONE OVER THE AIRBAG IS THE ONE THAT HAS ME CONCERNED. IF THE AIRBAG DEPLOYS IT MAY THEN THROW SHRAPNEL INTO THE FACE OF MY PASSENGER POSSIBLY CAUSING DISFIGUREMENT AND OR DEATH.

1/6/2016

9 more complaints are available in this category.

AIR BAGS

10 Reports15% of total

Previewing the first 2 complaint summaries.

DASH HAS A CRACK NEAR THE PASSENGER AIRBAG. I UNDERSTAND THIS IS A DEFECT. *TR

3/3/2014

DASHBOARD CRACKING SEVERELY ABOVE INSTRUMENT CLUSTER. DASHBOARD RATTLING SEVERELY CAUSING DASH TO VIBRATE AND COVER TO AIRBAG TO VIBRATE SUBSTANTIALLY. CONCERN THAT DASH WILL COMPLETELY FALL CAUSING AIR BAG FAILURE IN CRASH. *TR

11/7/2014

8 more complaints are available in this category.

ENGINE

7 Reports10% of total

Previewing the first 2 complaint summaries.

I OWN A 2011 GMC SIERRA 3500 6.6 DURAMAX DIESEL TRUCK. WHEN THE TRUCK IS "REGEN-ING" THE "DPF", RAW FUEL LEAKS FROM AN EXHAUST COUPLING LOCATED AT THE TURBO AND DOWN-PIPE SATURATING THE HOT EXHAUST PIPE WITH FUEL. WHEN YOU COME TO A STOP WHILE IT IS IN THIS REGEN MODE WHITE SMOKE BOILS OUT FROM UNDER THE HOOD AND ENTERS THE CABIN INDUCING A COUGHING FIT AND BURNING EYES. I TOOK THE TRUCK TO A GMC DEALER IN SAN ANGELO TX AND TOLD THEM ABOUT THE PROBLEM. WAS TOLD THAT THEY COULDN'T REPLICATE THE PROBLEM THAT I WAS DESCRIBING AND THAT I SHOULD REST ASSURED BECAUSE "DIESEL WON'T BURN ANYWAY". *TR

3/28/2013

AFTER APPLYING BRAKE TO SLOW DOWN TO < 5 MPH (NOT COMING TO A HALT) AND THEN TRYING TO ACCELERATE, VEHICLE BECOMES UNRESPONSIVE FOR 1 TO 2 SECONDS; IT FEELS LIKE THE TRANSMISSION GOES INTO NEUTRAL DURING THE BRAKING PERIOD AND WHEN GAS PEDAL IS APPLIED, THERE IS A 1 - 2 SECOND TIME PERIOD WHERE VEHICLE IS TRYING TO FIGURE OUT SOMETHING AND PREVENTS ANY ACCELERATION. WHY IS THIS DANGEROUS? I FOUND MYSELF IN A LEFT TURN ONLY LANE/GREEN LIGHT WITH OPPOSING TRAFFIC, AND I ATTEMPTED THE LEFT TURN WITH ONCOMING TRAFFIC BECAUSE I THOUGHT THAT I HAD AMPLE TIME BUT THE VEHICLE JUST SAT THERE FOR 1 - 2 SECONDS, AND WITH THAT I FOUND MYSELF IN A DANGEROUS PREDICAMENT BECAUSE THE ONCOMING TRAFFIC WAS GETTING VERY CLOSE. IF THE VEHICLE HAD RESPONDED WHEN I NEEDED IT TO, IT WOULD NOT HAVE BEEN A CLOSE CALL. THIS BEHAVIOR WITH THE VEHICLE CAN BE REPRODUCED AT WILL, EVERY TIME. THERE ARE MANY FORUMS ON THE INTERNET WHERE MANY PEOPLE ARE COMPLAINING ABOUT THIS SAME ISSUE WITH THE DRIVE-TRAIN, GMC KNOWS ABOUT IT, BUT REFUSES TO DO ANYTHING ABOUT IT. *TR

6/16/2014

5 more complaints are available in this category.

ELECTRONIC STABILITY CONTROL (ESC)

4 Reports6% of total

Previewing the first 2 complaint summaries.

VEHICLE STALLS LOSING ALL POWER TO STEERING AND BRAKING CAPABILITIES. THERE IS NO ADVANCED WARNING OF POWER LOSS, IT SIMPLY QUITS RENDERING THE DRIVER INCAPABLE OF STEERING, MOVING OUT OF THE WAY OF TRAFFIC. HAS BEEN IN CERTIFIED GMC SHOP THREE TIMES, THEY KEEP INSISTING THEY CANNOT FIND PROBLEM AND THE VEHICLE BE PICKED UP. POTENTIAL DEATH TRAP. NOT ONLY UNSAFE FOR DRIVER BUT ALSO ANYONE BEHIND THE VEHICLE. *TR

4/24/2012

WHILE DRIVING ON INTERSTATE THE ENGINE SHUT DOWN TO 1/2 POWER AND BEGAN TO SHAKE/VIBRATE. THE TOP SPEED THEN WAS ABOUT 40MPH. I FINALLY PULLED OVER AND READ MANUAL ON HOW TO RESET IT. IT WORKED PROPERLY THEN. THIS HAS HAPPENED 4 OTHER TIMES. THE LATEST INCIDENT HAPPENED YESTERDAY, WITH OUT USING CRUISE CONTROL. TRAVELING AT 30 MPH IT SHUT ME DOWN AGAIN . ONE OF THE SCARIEST TIMES , I WAS TRAVELING IN 5 LANES OF TRAFFIC AND IT SHUT ME DOWN TO HALF POWER AND IT WAS QUITE DANGEROUS FOR US TO TRY AND MERGE OUT OF THE WAY AND GET OFF TO A SAFE SPOT ON SIDE OF INTERSTATE. I CALLED THE DEALER AND THEY TOLD ME THERE HAS NOT BEEN A RECALL ON THIS ISSUE, BUT IT SEEMS VERY MUCH LIKE A SAFETY ISSUE WITH ME. THE DEALER ALSO TOLD ME AS WELL AS OTHER AUTO SPECIALIST IS THAT THIS IS A COMMON PROBLEM WITH THIS MODEL OF VEHICLE AND THAT IT WILL COST ABOUT 700 DOLLARS TO REPLACE THE THROTTLE CABLE ASSEMBLY. *TR

3/6/2014

2 more complaints are available in this category.

VEHICLE SPEED CONTROL

4 Reports6% of total

Previewing the first 2 complaint summaries.

THIS IS THE POINT AT WHICH I DISCOVERED THAT I HAVE BAD TIRES. THE TIRES HAVE BE COME BADLY CHIPPED AND PIECES OF RUBBER TREAD BEGAN COMING FROM TREAD AREA. THE SIDEWALLS DISCOLORED AND BEGAN CRACKING. THE TIRES STARTED TO LOOSE AIR AND HAD TO BE REINFLATTED ALL THE TIME TO PRESENT. TIRE HAS SAME SYMPTOMS AS RE-CALLED TIRES BUT MICHELIN AND GM WOULD DO NOTHING TO HELP. *TR

2/23/2014

WHILE DRIVING ON INTERSTATE THE ENGINE SHUT DOWN TO 1/2 POWER AND BEGAN TO SHAKE/VIBRATE. THE TOP SPEED THEN WAS ABOUT 40MPH. I FINALLY PULLED OVER AND READ MANUAL ON HOW TO RESET IT. IT WORKED PROPERLY THEN. THIS HAS HAPPENED 4 OTHER TIMES. THE LATEST INCIDENT HAPPENED YESTERDAY, WITH OUT USING CRUISE CONTROL. TRAVELING AT 30 MPH IT SHUT ME DOWN AGAIN . ONE OF THE SCARIEST TIMES , I WAS TRAVELING IN 5 LANES OF TRAFFIC AND IT SHUT ME DOWN TO HALF POWER AND IT WAS QUITE DANGEROUS FOR US TO TRY AND MERGE OUT OF THE WAY AND GET OFF TO A SAFE SPOT ON SIDE OF INTERSTATE. I CALLED THE DEALER AND THEY TOLD ME THERE HAS NOT BEEN A RECALL ON THIS ISSUE, BUT IT SEEMS VERY MUCH LIKE A SAFETY ISSUE WITH ME. THE DEALER ALSO TOLD ME AS WELL AS OTHER AUTO SPECIALIST IS THAT THIS IS A COMMON PROBLEM WITH THIS MODEL OF VEHICLE AND THAT IT WILL COST ABOUT 700 DOLLARS TO REPLACE THE THROTTLE CABLE ASSEMBLY. *TR

3/6/2014

2 more complaints are available in this category.

POWER TRAIN

4 Reports6% of total

Previewing the first 2 complaint summaries.

AFTER APPLYING BRAKE TO SLOW DOWN TO < 5 MPH (NOT COMING TO A HALT) AND THEN TRYING TO ACCELERATE, VEHICLE BECOMES UNRESPONSIVE FOR 1 TO 2 SECONDS; IT FEELS LIKE THE TRANSMISSION GOES INTO NEUTRAL DURING THE BRAKING PERIOD AND WHEN GAS PEDAL IS APPLIED, THERE IS A 1 - 2 SECOND TIME PERIOD WHERE VEHICLE IS TRYING TO FIGURE OUT SOMETHING AND PREVENTS ANY ACCELERATION. WHY IS THIS DANGEROUS? I FOUND MYSELF IN A LEFT TURN ONLY LANE/GREEN LIGHT WITH OPPOSING TRAFFIC, AND I ATTEMPTED THE LEFT TURN WITH ONCOMING TRAFFIC BECAUSE I THOUGHT THAT I HAD AMPLE TIME BUT THE VEHICLE JUST SAT THERE FOR 1 - 2 SECONDS, AND WITH THAT I FOUND MYSELF IN A DANGEROUS PREDICAMENT BECAUSE THE ONCOMING TRAFFIC WAS GETTING VERY CLOSE. IF THE VEHICLE HAD RESPONDED WHEN I NEEDED IT TO, IT WOULD NOT HAVE BEEN A CLOSE CALL. THIS BEHAVIOR WITH THE VEHICLE CAN BE REPRODUCED AT WILL, EVERY TIME. THERE ARE MANY FORUMS ON THE INTERNET WHERE MANY PEOPLE ARE COMPLAINING ABOUT THIS SAME ISSUE WITH THE DRIVE-TRAIN, GMC KNOWS ABOUT IT, BUT REFUSES TO DO ANYTHING ABOUT IT. *TR

6/16/2014

GM PERFORMED A RECALL FOR FRACTURED TRANSMISSION DIPSTICK TUBE ON MY TRUCK. THEY TOOK A TUBE OF FOAM AND PLASTIC STRAPPED IT TO THE TUBE. I NEVER SAW THE REASONING! THE TUBE HAS FRACTURED AND NOW HAS TO BE REPLACED. WHY DID THE NOT FIX THIS PROPER IN THE FIRST PLACE. NOW I NEED TO MAKE TWO MORE APPOINTMENTS TO GET THIS FIXED. MY TRANSMISSION IS OPEN TO THE ELEMENTS, WATER AND DIRT! *TR

9/25/2014

2 more complaints are available in this category.

STRUCTURE:BODY

4 Reports6% of total

Previewing the first 2 complaint summaries.

THE FRONT BUMPERS PLASTIC FOG LIGHT ASSEMBLY BECOMES LOOSE AND FALLS OFF. THIS CAN CAUSE CRASH AND ACCIDENT BECAUSE OF FALLING OFF PARTS FROM CAR. THIS SEEMS TO BE A KNOWN ISSUE WITH THE PLASTIC BUMPER PARTS FOR THE FOG LIGHTS. THE SUGGESTION IS TO REPLACE THIS WITH A CHROME OR METAL BUMPER SO THAT PLASTIC PEACES DO NOT BECOME WARPED AND BREAK OFF. THIS HAPPENS AT THE BOLT POINTS FOR THE FRONT BUMPER FOG LIGHT HOLDER ENTIRE PLASTIC PEACE. *TR

8/21/2014

DASHBOARD CRACKING SEVERELY ABOVE INSTRUMENT CLUSTER. DASHBOARD RATTLING SEVERELY CAUSING DASH TO VIBRATE AND COVER TO AIRBAG TO VIBRATE SUBSTANTIALLY. CONCERN THAT DASH WILL COMPLETELY FALL CAUSING AIR BAG FAILURE IN CRASH. *TR

11/7/2014

2 more complaints are available in this category.

ELECTRICAL SYSTEM

3 Reports4% of total

Previewing the first 2 complaint summaries.

THE HEADLIGHTS DIM THEN RETURN TO NORMAL EVERY TIME THE BREAK IS APPLIED. INTERIOR LIGHTS DIM AND RETURN TO NORMAL WHEN HAZARD LIGHTS ARE ACTIVATED. DEALER FOUND THE COMPLAINT TO BE VALID. BATTERY TESTED AND FOUND TO BE GOOD. VOLTAGE TEST OF ALTERNATOR CHECKED OUT NORMAL. ENGINE AND BODY GROUNDS CHECKED OUT NORMAL. DEALER REPLACED BRAKE SWITCH WITH NEW PART WITH NO CHANGE. GENERAL MOTORS REFERENCED SERVICE BULLETIN #02-06-03-008D AND CLAIM THE TRUCK IS OPERATING AS DESIGNED. AFTER SEVERAL CONVERSATIONS WITH GM CUSTOMER SERVICE THEY TOLD ME THERE WAS NOTHING THEY WOULD DO ABOUT THE DESIGN OF THE SYSTEM AND I AM STUCK WITH THE TRUCK AS IS. THE GM SERVICE REPRESENTATIVE ALSO REFUSED TO SEND ME ANY DOCUMENTATION REGARDING MY CUSTOMER CLAIM AND DIRECTED ME BACK TO THE SERVICE BULLETIN AND THE DEALER. I HAVE INVESTED A LOT OF MONEY INTO THIS VEHICLE AND HAVE NO CONFIDENCE IN ITS SAFETY AT NIGHT. MY GM CUSTOMER CLAIM #[XXX]. THIS TRUCK WAS PURCHASED NEW AND I WOULD NOT ALLOW MY FAMILY TO OPERATE IT AT NIGHT AND I AM VERY CONCERNED ABOUT THE LIGHT SYSTEM FAILING OR SHORTING OUT AS THE VEHICLE GETS OLDER. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

4/12/2012

VEHICLE STALLS LOSING ALL POWER TO STEERING AND BRAKING CAPABILITIES. THERE IS NO ADVANCED WARNING OF POWER LOSS, IT SIMPLY QUITS RENDERING THE DRIVER INCAPABLE OF STEERING, MOVING OUT OF THE WAY OF TRAFFIC. HAS BEEN IN CERTIFIED GMC SHOP THREE TIMES, THEY KEEP INSISTING THEY CANNOT FIND PROBLEM AND THE VEHICLE BE PICKED UP. POTENTIAL DEATH TRAP. NOT ONLY UNSAFE FOR DRIVER BUT ALSO ANYONE BEHIND THE VEHICLE. *TR

4/24/2012

1 more complaint is available in this category.

SERVICE BRAKES

3 Reports4% of total

Previewing the first 2 complaint summaries.

PURCHASED TRUCK 11/10/2011 WITH 3 MILES ON IT. AT 4,000 MILES THE TRUCKS BRAKES STARTED PULSATING AND SHIMMING WHILE APPLING BRAKES GOING DOWN HILL. TOOK IT TO DEALER , THEY RESURFACED FRONT ROTORS. GOOD TILL 5,700 MILES AND IT STARTED DOING THIS AGAIN, BUT WORSE, ALSO PROBLEMS JUST BRAKING ANY WHERE. TOOK BACK TO DEALER, NOW THEY RESURFACED REAR DRUMS. I'M VERY DISAPPOINTED IN THIS NEW VEHICLE'S BRAKING SYSTEM. THEY WROTE THE BRAKES WERE WARPED DURING BOTH VISITS, AND NO REASON AS TO WHY THIS IS HAPPENING TO MY NEW VEHICLE. *TT

5/21/2012

THIS IS THE POINT AT WHICH I DISCOVERED THAT I HAVE BAD TIRES. THE TIRES HAVE BE COME BADLY CHIPPED AND PIECES OF RUBBER TREAD BEGAN COMING FROM TREAD AREA. THE SIDEWALLS DISCOLORED AND BEGAN CRACKING. THE TIRES STARTED TO LOOSE AIR AND HAD TO BE REINFLATTED ALL THE TIME TO PRESENT. TIRE HAS SAME SYMPTOMS AS RE-CALLED TIRES BUT MICHELIN AND GM WOULD DO NOTHING TO HELP. *TR

2/23/2014

1 more complaint is available in this category.

STRUCTURE

3 Reports4% of total

Previewing the first 2 complaint summaries.

DASH HAS A CRACK NEAR THE PASSENGER AIRBAG. I UNDERSTAND THIS IS A DEFECT. *TR

3/3/2014

CRACK IN DASHBOARD AT UPPER LEFT CORNER OF PASSENGER SIDE AIRBAG. *TR

10/24/2014

1 more complaint is available in this category.

EXTERIOR LIGHTING

1 Report1% of total

Previewing the first 1 complaint summaries.

THE HEADLIGHTS DIM THEN RETURN TO NORMAL EVERY TIME THE BREAK IS APPLIED. INTERIOR LIGHTS DIM AND RETURN TO NORMAL WHEN HAZARD LIGHTS ARE ACTIVATED. DEALER FOUND THE COMPLAINT TO BE VALID. BATTERY TESTED AND FOUND TO BE GOOD. VOLTAGE TEST OF ALTERNATOR CHECKED OUT NORMAL. ENGINE AND BODY GROUNDS CHECKED OUT NORMAL. DEALER REPLACED BRAKE SWITCH WITH NEW PART WITH NO CHANGE. GENERAL MOTORS REFERENCED SERVICE BULLETIN #02-06-03-008D AND CLAIM THE TRUCK IS OPERATING AS DESIGNED. AFTER SEVERAL CONVERSATIONS WITH GM CUSTOMER SERVICE THEY TOLD ME THERE WAS NOTHING THEY WOULD DO ABOUT THE DESIGN OF THE SYSTEM AND I AM STUCK WITH THE TRUCK AS IS. THE GM SERVICE REPRESENTATIVE ALSO REFUSED TO SEND ME ANY DOCUMENTATION REGARDING MY CUSTOMER CLAIM AND DIRECTED ME BACK TO THE SERVICE BULLETIN AND THE DEALER. I HAVE INVESTED A LOT OF MONEY INTO THIS VEHICLE AND HAVE NO CONFIDENCE IN ITS SAFETY AT NIGHT. MY GM CUSTOMER CLAIM #[XXX]. THIS TRUCK WAS PURCHASED NEW AND I WOULD NOT ALLOW MY FAMILY TO OPERATE IT AT NIGHT AND I AM VERY CONCERNED ABOUT THE LIGHT SYSTEM FAILING OR SHORTING OUT AS THE VEHICLE GETS OLDER. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

4/12/2012

SERVICE BRAKES, HYDRAULIC

1 Report1% of total

Previewing the first 1 complaint summaries.

THE HEADLIGHTS DIM THEN RETURN TO NORMAL EVERY TIME THE BREAK IS APPLIED. INTERIOR LIGHTS DIM AND RETURN TO NORMAL WHEN HAZARD LIGHTS ARE ACTIVATED. DEALER FOUND THE COMPLAINT TO BE VALID. BATTERY TESTED AND FOUND TO BE GOOD. VOLTAGE TEST OF ALTERNATOR CHECKED OUT NORMAL. ENGINE AND BODY GROUNDS CHECKED OUT NORMAL. DEALER REPLACED BRAKE SWITCH WITH NEW PART WITH NO CHANGE. GENERAL MOTORS REFERENCED SERVICE BULLETIN #02-06-03-008D AND CLAIM THE TRUCK IS OPERATING AS DESIGNED. AFTER SEVERAL CONVERSATIONS WITH GM CUSTOMER SERVICE THEY TOLD ME THERE WAS NOTHING THEY WOULD DO ABOUT THE DESIGN OF THE SYSTEM AND I AM STUCK WITH THE TRUCK AS IS. THE GM SERVICE REPRESENTATIVE ALSO REFUSED TO SEND ME ANY DOCUMENTATION REGARDING MY CUSTOMER CLAIM AND DIRECTED ME BACK TO THE SERVICE BULLETIN AND THE DEALER. I HAVE INVESTED A LOT OF MONEY INTO THIS VEHICLE AND HAVE NO CONFIDENCE IN ITS SAFETY AT NIGHT. MY GM CUSTOMER CLAIM #[XXX]. THIS TRUCK WAS PURCHASED NEW AND I WOULD NOT ALLOW MY FAMILY TO OPERATE IT AT NIGHT AND I AM VERY CONCERNED ABOUT THE LIGHT SYSTEM FAILING OR SHORTING OUT AS THE VEHICLE GETS OLDER. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

4/12/2012

POWER TRAIN:AUTOMATIC TRANSMISSION

1 Report1% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2011 GMC SIERRA. THE CONTACT STATED THAT THE VEHICLE WAS PARKED IN A RESIDENTIAL DRIVEWAY WHEN IT ROLLED AWAY IN REVERSE AND INTO THE STREET. A CRASH DID NOT OCCUR. THE VEHICLE WAS TAKEN TO THE DEALER FOR INSPECTION BUT THEY WERE UNABLE TO DIAGNOSE THE CAUSE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED AND DID NOT PROVIDE ANY ASSISTANCE. THE FAILURE MILEAGE WAS 28,000. UPDATED 02-08/13 *BF UPDATED 02/11/13

1/15/2013

FUEL SYSTEM, DIESEL

1 Report1% of total

Previewing the first 1 complaint summaries.

I OWN A 2011 GMC SIERRA 3500 6.6 DURAMAX DIESEL TRUCK. WHEN THE TRUCK IS "REGEN-ING" THE "DPF", RAW FUEL LEAKS FROM AN EXHAUST COUPLING LOCATED AT THE TURBO AND DOWN-PIPE SATURATING THE HOT EXHAUST PIPE WITH FUEL. WHEN YOU COME TO A STOP WHILE IT IS IN THIS REGEN MODE WHITE SMOKE BOILS OUT FROM UNDER THE HOOD AND ENTERS THE CABIN INDUCING A COUGHING FIT AND BURNING EYES. I TOOK THE TRUCK TO A GMC DEALER IN SAN ANGELO TX AND TOLD THEM ABOUT THE PROBLEM. WAS TOLD THAT THEY COULDN'T REPLICATE THE PROBLEM THAT I WAS DESCRIBING AND THAT I SHOULD REST ASSURED BECAUSE "DIESEL WON'T BURN ANYWAY". *TR

3/28/2013

EQUIPMENT ADAPTIVE/MOBILITY

1 Report1% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2011 GMC SIERRA. THE CONTACT STATED THAT WHILE REPLACING A FLAT TIRE, HE NOTICED THAT THE JACK DID NOT EXTEND HIGH ENOUGH TO LIFT THE VEHICLE AND REPLACE THE TIRE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE JACK WAS NOT REPLACED. THE APPROXIMATE FAILURE MILEAGE WAS 24,000. *TR

7/16/2013

EQUIPMENT:MECHANICAL:ACCESSORY SCISSOR/SCREW/BOTTLE JACK/LIFT

1 Report1% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2011 GMC SIERRA. THE CONTACT STATED THAT WHILE REPLACING A FLAT TIRE, HE NOTICED THAT THE JACK DID NOT EXTEND HIGH ENOUGH TO LIFT THE VEHICLE AND REPLACE THE TIRE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE JACK WAS NOT REPLACED. THE APPROXIMATE FAILURE MILEAGE WAS 24,000. *TR

7/16/2013

WHEELS

1 Report1% of total

Previewing the first 1 complaint summaries.

THIS IS THE POINT AT WHICH I DISCOVERED THAT I HAVE BAD TIRES. THE TIRES HAVE BE COME BADLY CHIPPED AND PIECES OF RUBBER TREAD BEGAN COMING FROM TREAD AREA. THE SIDEWALLS DISCOLORED AND BEGAN CRACKING. THE TIRES STARTED TO LOOSE AIR AND HAD TO BE REINFLATTED ALL THE TIME TO PRESENT. TIRE HAS SAME SYMPTOMS AS RE-CALLED TIRES BUT MICHELIN AND GM WOULD DO NOTHING TO HELP. *TR

2/23/2014

ENGINE AND ENGINE COOLING

1 Report1% of total

Previewing the first 1 complaint summaries.

WHILE DRIVING ON INTERSTATE THE ENGINE SHUT DOWN TO 1/2 POWER AND BEGAN TO SHAKE/VIBRATE. THE TOP SPEED THEN WAS ABOUT 40MPH. I FINALLY PULLED OVER AND READ MANUAL ON HOW TO RESET IT. IT WORKED PROPERLY THEN. THIS HAS HAPPENED 4 OTHER TIMES. THE LATEST INCIDENT HAPPENED YESTERDAY, WITH OUT USING CRUISE CONTROL. TRAVELING AT 30 MPH IT SHUT ME DOWN AGAIN . ONE OF THE SCARIEST TIMES , I WAS TRAVELING IN 5 LANES OF TRAFFIC AND IT SHUT ME DOWN TO HALF POWER AND IT WAS QUITE DANGEROUS FOR US TO TRY AND MERGE OUT OF THE WAY AND GET OFF TO A SAFE SPOT ON SIDE OF INTERSTATE. I CALLED THE DEALER AND THEY TOLD ME THERE HAS NOT BEEN A RECALL ON THIS ISSUE, BUT IT SEEMS VERY MUCH LIKE A SAFETY ISSUE WITH ME. THE DEALER ALSO TOLD ME AS WELL AS OTHER AUTO SPECIALIST IS THAT THIS IS A COMMON PROBLEM WITH THIS MODEL OF VEHICLE AND THAT IT WILL COST ABOUT 700 DOLLARS TO REPLACE THE THROTTLE CABLE ASSEMBLY. *TR

3/6/2014

TIRES

1 Report1% of total

Previewing the first 1 complaint summaries.

THREE OUT OF FOUR TIRES HAD SEPARATION. THE TIRES ARE GOODYEAR WRANGLERLT265/ 60R20E1. TWO TIRES WERE REPLACED ON 2/21/2014 DUE TO SEPARATION OF LEFT REAR TIRE. WE CHOSE TO REPLACE BOTH REAR TIRES. ON A RECENT VACATION TO FLORIDA FROM TEXAS, THE FRONT LEFT TIRE, SAME GOODYEAR TYPE TIRE, SEPARATED. OUR SPARE REPLACED THE FRONT LEFT TIRE. ON THE RETURN TRIP FROM FLORIDA BACK TO TEXAS (SAME VACATION), THE FRONT RIGHT TIRE BEGAN SEPARATING WHEN WE WERE ON THE EAST SIDE OF LOUISIANA. WE WERE UNABLE TO LOCATE AN OPEN TIRE STORE, AS IT WAS A SUNDAY. SO, WE DROVE HOME SLOWLY THE REMAINDER OF THE TRIP. AFTER RETURNING HOME, DISCOUNT TIRES (WHERE WE PURCHASED THE TWO NEW REAR TIRES IN FEB. 2014) ORDERED US TWO NEW FRONT TIRES. THE TIRES WERE SHIPPED FROM CHICAGO, DUE TO THE UNUSUAL SIZE OF THE TIRE (WE WERE TOLD). IS THE GOODYEAR WRANGLER TIRE A SAFETY HAZARD, SINCE THREE OUT OF THE FOUR TIRES FAILED? WAS IT THE 'LOT' THAT WAS BAD? WE WERE TOLD BY DISCOUNT TIRES THAT THERE WASN'T A RECALL ON THIS TIRE. *TR

8/1/2014

POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

1 Report1% of total

Previewing the first 1 complaint summaries.

IN VERY COLD WEATHER, THE SHIFTER STICKS AND WILL NOT MOVE TO SHIFT IN ANY GEAR. *JS

2/6/2015

STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

1 Report1% of total

Previewing the first 1 complaint summaries.

SEVERE FRAME CORROSION (ALL SECTIONS OF FRAME). THE UNDERCOATING IS FLAKING OFF IN ALL SECTIONS EXPOSING BARE METAL WHICH IS RAPIDLY CORRODING THROUGHOUT THE FRAME. THE TRUCK IS IN MINT CONDITION INSIDE AND OUT OTHER THAN THIS ISSUE. GM STATED THAT "RUST" IS NOT COVERED UNDER MY ACTIVE WARRANTY. THIS IS A FAULTY COATING APPLICATION OR A FAULTY METAL ISSUE. THIS VEHICLE WILL BE UNSAFE SOON AND IT JUST HIT 12,000 MILES. I PURCHASED THIS "GM CERTIFIED PRE-OWNED" TRUCK TWO WEEKS AGO FROM THE GM DEALERSHIP AND JUST REALIZED THAT MANY, MANY COMPLAINTS HAVE BEEN FILED FOR THIS VERY ISSUE. *TR

3/13/2015

SUSPENSION

1 Report1% of total

Previewing the first 1 complaint summaries.

SEVERE FRAME CORROSION (ALL SECTIONS OF FRAME). THE UNDERCOATING IS FLAKING OFF IN ALL SECTIONS EXPOSING BARE METAL WHICH IS RAPIDLY CORRODING THROUGHOUT THE FRAME. THE TRUCK IS IN MINT CONDITION INSIDE AND OUT OTHER THAN THIS ISSUE. GM STATED THAT "RUST" IS NOT COVERED UNDER MY ACTIVE WARRANTY. THIS IS A FAULTY COATING APPLICATION OR A FAULTY METAL ISSUE. THIS VEHICLE WILL BE UNSAFE SOON AND IT JUST HIT 12,000 MILES. I PURCHASED THIS "GM CERTIFIED PRE-OWNED" TRUCK TWO WEEKS AGO FROM THE GM DEALERSHIP AND JUST REALIZED THAT MANY, MANY COMPLAINTS HAVE BEEN FILED FOR THIS VERY ISSUE. *TR

3/13/2015

STEERING

1 Report1% of total

Previewing the first 1 complaint summaries.

TL* THE CONTACT OWNS A 2011 GMC SIERRA. WHILE DRIVING APPROXIMATELY 35 MPH, THE STEERING WHEEL SEIZED AND VEERED TO THE LEFT INDEPENDENTLY. THE CONTACT WAS ABLE TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER, BUT THE FAILURE COULD NOT BE DUPLICATED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 54,000.

7/9/2015

FUEL/PROPULSION SYSTEM

1 Report1% of total

Previewing the first 1 complaint summaries.

THE TBS GOES OUT. PUTTING THE TRUCK INTO REDUCED POWER. I WAS GOING 65 MPH AND THE TRUCK SLOWED DOWN TO 15 MPH ON THE FREEWAY. LOSE ALL BREAKS CONTROL , ABS GOES OUT TO. ALMOST HAVE BEEN DUE TO GM

1/5/2016

About This Data

Data and Methodology

MethodologyHow we score →

Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.

FAQ

What are the most common owner complaints for the 2011 GMC Sierra?

The most reported complaint category for the 2011 GMC Sierra is UNKNOWN OR OTHER, with 11 owner reports. That is about 16% of all complaints logged here. Other recurring themes include UNKNOWN OR OTHER, AIR BAGS, ENGINE.

Are complaints about the 2011 GMC Sierra a serious warning sign?

Potentially. 29 complaint reports fall into higher-attention systems such as brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components. That does not prove every vehicle has a defect, but repeated complaints in those systems justify a more careful pre-purchase inspection.

How should buyers use complaint data for the 2011 GMC Sierra?

Use complaints as an early pattern to investigate, not a standalone verdict. Start with the top complaint categories, compare those themes against the recall report and maintenance guide, then inspect service records for evidence that the same problem areas were already addressed. If the same issue appears repeatedly across complaints and recalls, treat it as a real ownership-risk flag.

Are complaints about the 2011 GMC Sierra severe?

29 complaint reports involve higher-attention systems such as brakes, steering, engine, powertrain, fuel, suspension, airbags, or electrical components, which is enough to justify a focused inspection before purchase.

Complaint list entries are sourced from owner-submitted NHTSA ODI records.

Read complaint summaries

GMC Sierra: How should complaint data influence buying decisions?

Use complaint patterns together with recalls and maintenance guidance to estimate ownership risk and inspection priorities.

Carfocal links complaint data directly to recall and maintenance routes for the same model year.

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Complaint entries
67
Top-topic view
5 grouped topics shown
Primary source
NHTSA ODI owner complaint records

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In this guide

  1. 01Overview
  2. 02Common Problems
  3. 03Owner Complaints
  4. 04Data and Methodology

Start here

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