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2006 GMC Envoy Denali

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →

When problems were reported

Mileage at the reported incident

72 reports with mileage · 12 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

4 crash reports1 fire reports1 injury reports

What owners actually said

84 reports
143,612 miles · Sep 26, 2014
Suspension

TL* THE CONTACT OWNS A 2006 GMC ENVOY DENALI. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 25 MPH, THE REAR END OF THE VEHICLE DROPPED DOWN TO THE AXLE. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSIS. THE MECHANIC STATED THAT THE REAR END AND THE AIR SUSPENSION NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. TH…

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TL* THE CONTACT OWNS A 2006 GMC ENVOY DENALI. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 25 MPH, THE REAR END OF THE VEHICLE DROPPED DOWN TO THE AXLE. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSIS. THE MECHANIC STATED THAT THE REAR END AND THE AIR SUSPENSION NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 143,612.

NHTSA ODI #10639434

117,000 miles · Aug 18, 2014
Electrical System

I WAS DRIVING 10 MPH AND THE SUV STALLED PUT IT IN PARK TO RESTART AND IT WOULD NOT START HAD IT TOWED TO A EX GM DEALER AND THEY REPLACED THE SWITCH . *TR

NHTSA ODI #10626196

91,870 miles · Jul 23, 2014
Electrical System

AFTER EXITING THE INTERSTATE WITH SPEEDS UP TO 65MPH AND BEFORE I COULD SLOW DOWN TO THE TO THE CURRENT SPEED LIMIT OF 25MPH THE ENGINE OF MY GMC ENVOY DENALI 2006 ABRUPTLY CUT OFF. I STEERED TO THE CURB TO GET OUT OF THE ROAD OF TRAFFIC WITH THE FIRST THOUGHT THAT I WAS OUT OF GAS; BUT I HAD A FOURTH OF A TANK. THE GMC DEALE…

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AFTER EXITING THE INTERSTATE WITH SPEEDS UP TO 65MPH AND BEFORE I COULD SLOW DOWN TO THE TO THE CURRENT SPEED LIMIT OF 25MPH THE ENGINE OF MY GMC ENVOY DENALI 2006 ABRUPTLY CUT OFF. I STEERED TO THE CURB TO GET OUT OF THE ROAD OF TRAFFIC WITH THE FIRST THOUGHT THAT I WAS OUT OF GAS; BUT I HAD A FOURTH OF A TANK. THE GMC DEALERSHIP FIRST TOLD ME THE IGNITION SWITCH BURNT OUT AND MY REPAIR BILL WAS $277. SEVERAL DAYS LATER THEY CALLED ME AND SAID THE VEHICLE STALLED AGAIN WHILE THEY WERE TEST DRIVING IT. NOW THEY SAY THE IGNITION SWITCH BURNT OUT A MODULE WHICH WOULD COST ANOTHER $700. TOTAL BILL WITH LABOR AND TAX....$1059.57. *TR

NHTSA ODI #10615658

110,000 miles · Jun 29, 2014
Electrical SystemElectronic Stability Control (esc)Steering

GM IGNITION SWITCH PROBLEM WITH SUVS!!!!!!! WAS DRIVING ABOUT 45 MPH WITH OUR GRANDKIDS AND ALL POWER WAS LOST. NO POWER STEERING, NO BRAKES. RADIO AND ELECTRIC WINDOWS STILL WORKED AFTER STOPPING (LUCKILY SAFELY). SERVICE REPAIR REPORTED THAT IGNITION SWITCH CIRCUIT THAT CONTROLS THE ENGINE SHORTED OUT TURNING OFF ENGINE AT…

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GM IGNITION SWITCH PROBLEM WITH SUVS!!!!!!! WAS DRIVING ABOUT 45 MPH WITH OUR GRANDKIDS AND ALL POWER WAS LOST. NO POWER STEERING, NO BRAKES. RADIO AND ELECTRIC WINDOWS STILL WORKED AFTER STOPPING (LUCKILY SAFELY). SERVICE REPAIR REPORTED THAT IGNITION SWITCH CIRCUIT THAT CONTROLS THE ENGINE SHORTED OUT TURNING OFF ENGINE AT 45 MPH. THIS IS THE 5TH IGNITION SWITCH ON THIS VEHICLE. GM HAS A LARGER IGNITION SWITCH PROBLEM THAN THEY ARE ACKNOWLEDGING. LUCKILY WE JUST GOT OFF THE HIGHWAY GOING 70 MPH OR WE WOULD HAVE CRASHED. PLEASE RESEARCH THIS CLASS OF VEHICLE (SUVS/TRUCKS) AS I BELIEVE GM HAS A SIMILAR PROBLEM AS THE COBALTS!!!!!!! *TR

NHTSA ODI #10606771

Mileage unknown · Jun 28, 2014
Fuel System, Gasoline

WHILE DRIVING THE VEHICLE THE AIR WILL LET OUT OF THE SHOCKS, ALSO HAPPENS WHEN VEHICLE IS PARKED. SSOMETIMES AIR WILL NOT EVEN ELEVATE SHOCKS WHEN VEHICLE IS TURNED ON. ALSO RANDOMLY WHILE VEHICLE IS STARTED WHWTHER THE FUEL TANK IS FULL OR EMPTY OR INBETWEEN IT WILL GO FROM ACCURATE LEVEL TO EMPTY MARK ON FUEL GAUGE. *TR

NHTSA ODI #10606651

45,000 miles · Jun 26, 2014
EngineSteering

TL* THE CONTACT OWNS A 2006 GMC ENVOY DENALI. THE CONTACT STATED WHILE DRIVING AT AN UNKNOWN SPEED, THE STEERING WHEEL BECAME DIFFICULT TO MANUEVER. THE CONTACT MENTIONED WHILE STARTING THE VEHICLE THERE WAS INTERMITTENTLY ROARING NOISE AND THE CHECK ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER HOWEVER, THE TECHNI…

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TL* THE CONTACT OWNS A 2006 GMC ENVOY DENALI. THE CONTACT STATED WHILE DRIVING AT AN UNKNOWN SPEED, THE STEERING WHEEL BECAME DIFFICULT TO MANUEVER. THE CONTACT MENTIONED WHILE STARTING THE VEHICLE THERE WAS INTERMITTENTLY ROARING NOISE AND THE CHECK ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER HOWEVER, THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 45,000 AND THE CURRENT MILEAGE WAS 60,000.

NHTSA ODI #10606249

99,000 miles · May 21, 2014
Vehicle Speed Control

TL* THE CONTACT OWNS A 2006 GMC ENVOY DENALI. THE CONTACT STATED THAT WHEN COMING TO A STOP, THE VEHICLE LUNGED FORWARD WITHOUT WARNING. THE CONTACT MENTIONED THAT THE FAILURE WAS RECURRING. THE VEHICLE WAS TAKEN TO A DEALER WHERE THE REPAIRS WERE UNKNOWN. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE…

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TL* THE CONTACT OWNS A 2006 GMC ENVOY DENALI. THE CONTACT STATED THAT WHEN COMING TO A STOP, THE VEHICLE LUNGED FORWARD WITHOUT WARNING. THE CONTACT MENTIONED THAT THE FAILURE WAS RECURRING. THE VEHICLE WAS TAKEN TO A DEALER WHERE THE REPAIRS WERE UNKNOWN. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 99,000 AND THE CURRENT MILEAGE WAS 112,000.

NHTSA ODI #10593087

83,000 miles · May 2, 2014
Engine

IN THE MORNING THE CAR RUN FINE, BUT ONCE THE ENGINE IS WARM AND I START TO RUN ERRANDS IT STALLS. IF I WAIT ABOUT 10MIN OR SO... I MUST SPEED HOME OR TO A SAFE AREA TO LET THE ENGINE COOL. IF I COME BACK IN A FEW HOURS,THE TRUCK WILL START WITH NO PROBLEM. IT HAS BEEN TO THE SHOP MORE OFTEN THEN I REMEMBER. IS THERE ANYONE HAVI…

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IN THE MORNING THE CAR RUN FINE, BUT ONCE THE ENGINE IS WARM AND I START TO RUN ERRANDS IT STALLS. IF I WAIT ABOUT 10MIN OR SO... I MUST SPEED HOME OR TO A SAFE AREA TO LET THE ENGINE COOL. IF I COME BACK IN A FEW HOURS,THE TRUCK WILL START WITH NO PROBLEM. IT HAS BEEN TO THE SHOP MORE OFTEN THEN I REMEMBER. IS THERE ANYONE HAVING THESE SAME ISSUES? *TR

NHTSA ODI #10586255

133,700 miles · May 1, 2014
Electrical SystemEnginePower Train

I'VE HAD CAR ONE MONTH TO THE DAY WERE DO I START .THE CAR CUTS OUT WHILE DRIVING. SHOWS CODES ONE SEC. NEXT SEC I HAVE SEVERAL LOOKS CLEAN BUT SO MANY PROBS I REALLY FEEL [XXX]. I PURCHASED A LEMON INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10586033

153,000 miles · Apr 11, 2014
Electrical SystemStructure

PURCHASED THIS VEHICLE IN OCTOBER OF 2013 AND NOW THE DRIVERS DOOR ELECTRICAL SYSTEMS WORKS INTERMITTENTLY. I CONTACTED GMC BECAUSE THIS WAS A RECALL IN JUNE OF 2013. GMC TOLD ME THE WORK WAS ALREADY DONE SO TO HAVE THIS PROBLEM FIXED I WOULD HAVE TO PAY FOR IT OUT OF POCKET. THE PROBLEM I HAVE IS THEY DIDN'T FIX THE PROBLEM THE…

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PURCHASED THIS VEHICLE IN OCTOBER OF 2013 AND NOW THE DRIVERS DOOR ELECTRICAL SYSTEMS WORKS INTERMITTENTLY. I CONTACTED GMC BECAUSE THIS WAS A RECALL IN JUNE OF 2013. GMC TOLD ME THE WORK WAS ALREADY DONE SO TO HAVE THIS PROBLEM FIXED I WOULD HAVE TO PAY FOR IT OUT OF POCKET. THE PROBLEM I HAVE IS THEY DIDN'T FIX THE PROBLEM THEY ONLY MASKED IT WITH A CHEAP PIECE OF PLASTIC. IF A VEHICLE HAS A RECALL AND IT IS NOT FIXED CORRECTLY DOES THE COMPANY LEGALLY HAVE TO PLAY TO FIX THE PART AGAIN BECAUSE ONE OF THEIR DEALERSHIPS WAS NEGLIGENT IN FIXING THE RECALL CORRECTLY? *JS

NHTSA ODI #10579244

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

DP10001 · Fuel Level Gauge System Failure

Opened Jan 7, 2010 · Closed May 23, 2011

Status: closed (inferred from source dates) · Fuel System, Other; Fuel System, Other:storage:fuel Gauge System

The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.

Additional source detail variants (2)

Fuel System, Other

The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.

Fuel System, Other:storage:fuel Gauge System

The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.