← New search

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

Power Train complaints

8 reports
Clear category filter
Mileage unknown · Sep 8, 2016
Power Train

WHEN STARTING MY VEHICLE AND START TO DRIVE I NOTICE 2 CHECK ENGINE LIGHTS POP ON. ONE ENGINE LIGHT HAS A ARROW POINTING DOWN AND THE OTHER JUST HAVE THE ENGINE LIGHT SYMBOL AND THE MY SPEED STARTS TO REDUCE A LOT. I WILL PULL OVER TO THE SIDE OF THE ROAD SHUT THE CAR OFF WAIT FOR 5-10 MINUTES AND CRANK IT UP AND AFTER MAYBE 15…

Read full complaint

WHEN STARTING MY VEHICLE AND START TO DRIVE I NOTICE 2 CHECK ENGINE LIGHTS POP ON. ONE ENGINE LIGHT HAS A ARROW POINTING DOWN AND THE OTHER JUST HAVE THE ENGINE LIGHT SYMBOL AND THE MY SPEED STARTS TO REDUCE A LOT. I WILL PULL OVER TO THE SIDE OF THE ROAD SHUT THE CAR OFF WAIT FOR 5-10 MINUTES AND CRANK IT UP AND AFTER MAYBE 15-20 MINUTES OF DRIVING IT POPS BACK ON. I'VE HAD THE MECHANIC TO DIAGNOSTIC MACHINE AND HE HAS SAID THE THROTTLE BODY NEEDS CHANGING, HAD THAT DONE AND THE SAME PROBLEM CAME BACK. SO I HAD MY OLD ONE PUT BACK ON AND THEN THE MECHANIC SAY MAYBE IT'S THE GAS PEDAL SENSOR. HAD THAT CHANGED AND THE PROBLEM IS STILL THEIR. I LOVE MY TRUCK BUT I DON'T HAVE THE MONEY TO KEP TRYING TO FIX THIS PROBLEM. I NEED HELP, FROM SOMEONE, PLEASE

NHTSA ODI #10904720

34,961 miles · Feb 19, 2015
Electrical SystemPower Train

ENGINE SUDDENLY STOPPED RUNNING, PLACED SHIFT LEVER TO PARK POSITION. ENGINE WOULD NOT RESTART. TRANSMISSION WAS NOW LOCKED IN PARK, CAUSING INABILITY TO PUSH VEHICLE TO SAFETY. REPAIR BY GMC DEALER INVOLVED REPAIRING ELECTRICAL SHORT IN FACTORY WIRING UNDER DASHBOARD AT THE FIREWALL, IN THE AREA OF THE BRAKE BOOSTER MOUNT. A…

Read full complaint

ENGINE SUDDENLY STOPPED RUNNING, PLACED SHIFT LEVER TO PARK POSITION. ENGINE WOULD NOT RESTART. TRANSMISSION WAS NOW LOCKED IN PARK, CAUSING INABILITY TO PUSH VEHICLE TO SAFETY. REPAIR BY GMC DEALER INVOLVED REPAIRING ELECTRICAL SHORT IN FACTORY WIRING UNDER DASHBOARD AT THE FIREWALL, IN THE AREA OF THE BRAKE BOOSTER MOUNT. APPARENT CAUSE IS IMPROPER ROUTING OF WIRING AT TIME OF VEHICLE MFR, CAUSING ABRASION OF WIRING OVER TIME. *TR

NHTSA ODI #10689503

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

Mileage unknown · Aug 16, 2011
Electrical SystemEngine And Engine CoolingEquipment

2006 ENVOY DENALI. CONSUMER WRITES STATES GAS NEEDLE STOPPED FUNCTIONING *TGW THE CONSUMER STATED THE GAS NEEDLE BEGAN TO FLUCTUATE IN THE BEGINNING AND SINCE THAT TIME, THE NEEDLE HAS BEEN STUCK ON EMPTY, AND THE ENGINE LIGHT ILLUMINATED AS A RESULT. IN MARCH OF 2009, WHEN THE CONSUMER STARED THE VEHICLE, IT SOUNDED AS IF THER…

Read full complaint

2006 ENVOY DENALI. CONSUMER WRITES STATES GAS NEEDLE STOPPED FUNCTIONING *TGW THE CONSUMER STATED THE GAS NEEDLE BEGAN TO FLUCTUATE IN THE BEGINNING AND SINCE THAT TIME, THE NEEDLE HAS BEEN STUCK ON EMPTY, AND THE ENGINE LIGHT ILLUMINATED AS A RESULT. IN MARCH OF 2009, WHEN THE CONSUMER STARED THE VEHICLE, IT SOUNDED AS IF THERE WAS SOMETHING METAL TUMBLING AROUND UNDER THE HOOD. UPON INSPECTION OF THE VEHICLE, IT WAS DETERMINED THE ENGINE NEEDED TO BE REPLACED. ON JUNE 10, 2010, THE VEHICLE WOULD NOT START AND HAD TO BE TOWED TO THE DEALER. AN INSPECTION REVEALED A STARTER WAS NEEDED. ALSO, AN ALIGNMENT WAS DONE AND THE REAR BRAKE LIGHT WAS REPLACED. ON JUNE 12, 2010, THE VEHICLE WOULD NOT COME OUT OF PARK. AFTER 25 MINUTES AND OVER 50 ATTEMPTS, IT FINALLY CAME OUT OF PARK. THE CONSUMER DROVE TO THE DEALER, BUT THEY WERE UNABLE TO FIND A PROBLEM. SEPTEMBER 2010, THE CONSUMER NOTICED THE REAR OF THE TRUCK WAS SITTING VERY LOW. THE REAR END AIR SUSPENSION NEEDED TO BE REPLACED. THE AIR CONDITION RANDOMLY WORKED. THERE WERE TIMES WHERE THE AIR WOULD JUST START BLOWING AND NO BUTTONS WERE PUSHED. ALSO, THE DEFROSTER STOPPED WORKING. THE CONSUMER CONTINUED TO EXPERIENCE PROBLEMS WITH THE VEHICLE NOT COMING OUT OF PARK. *JB

NHTSA ODI #10420249

Mileage unknown · Jun 4, 2009
Power Train

I HAVE HAD MY GMC ENVOY INTO THE DEALERSHIP ON MULTIPLE OCCASIONS FOR A NOISE COMING FROM THE REAR. I'VE BEEN TOLD THAT IT IS JUST A FLAW IN THE DESIGN BUT IT IS A VERY ANNOYING FLAW. THE NOISE IS A CONSTANT SQUEAL THAT ONLY GOES AWAY IF I TAKE THE VEHICLE OUT OF OVERDRIVE. THE DEALERSHIP SAID FROM ME NOT TO DRIVE THE VEHICLE…

Read full complaint

I HAVE HAD MY GMC ENVOY INTO THE DEALERSHIP ON MULTIPLE OCCASIONS FOR A NOISE COMING FROM THE REAR. I'VE BEEN TOLD THAT IT IS JUST A FLAW IN THE DESIGN BUT IT IS A VERY ANNOYING FLAW. THE NOISE IS A CONSTANT SQUEAL THAT ONLY GOES AWAY IF I TAKE THE VEHICLE OUT OF OVERDRIVE. THE DEALERSHIP SAID FROM ME NOT TO DRIVE THE VEHICLE IN OVERDRIVE BECAUSE THERE WASN'T ANYTHING THEY COULD DO TO FIX IT. AS TIME GOES ON, THE NOISE SEEMS TO BE GETTING LOUDER. *TR

NHTSA ODI #10272837

Mileage unknown · Jun 4, 2009
Power Train

2006 GMC ENVOY DENALI PURCHASED. BEGINNING AT ABOUT 10,000 MILES THE TRANSMISSION WOULD SHIFT ABRUPTLY INTO 1ST GEAR AFTER THE CAR HAD STOPPED MOVING. THIS DOES NOT HAPPEN EVERY TIME BUT DOES HAPPEN OFTEN AND WHEN IT DOES IT FEELS AS IF THE CAR HAS BEEN HIT FROM BEHIND. DEALER HAS NOT BEEN ABLE TO DUPLICATE THE PROBLEM BUT STATE…

Read full complaint

2006 GMC ENVOY DENALI PURCHASED. BEGINNING AT ABOUT 10,000 MILES THE TRANSMISSION WOULD SHIFT ABRUPTLY INTO 1ST GEAR AFTER THE CAR HAD STOPPED MOVING. THIS DOES NOT HAPPEN EVERY TIME BUT DOES HAPPEN OFTEN AND WHEN IT DOES IT FEELS AS IF THE CAR HAS BEEN HIT FROM BEHIND. DEALER HAS NOT BEEN ABLE TO DUPLICATE THE PROBLEM BUT STATES THAT OTHER OWNERS HAVE REPORTED THE SAME PROBLEM. *TR

NHTSA ODI #10272835

10,000 miles · May 10, 2008
Power Train

2006 GMC ENVOY DENALI PURCHASED 12/05. BEGINNING AT ABOUT 10,000 MILES THE TRANSMISSION WOULD SHIFT ABRUPTLY INTO 1ST GEAR AFTER THE CAR HAD STOPPED MOVING. THIS DOES NOT HAPPEN EVERY TIME BUT WHEN IT DOES IT FEELS AS IF THE CAR HAS BEEN HIT FROM BEHIND. DEALER HAS NOT BEEN ABLE TO DUPLICATE THE PROBLEM BUT STATES THAT OTHER …

Read full complaint

2006 GMC ENVOY DENALI PURCHASED 12/05. BEGINNING AT ABOUT 10,000 MILES THE TRANSMISSION WOULD SHIFT ABRUPTLY INTO 1ST GEAR AFTER THE CAR HAD STOPPED MOVING. THIS DOES NOT HAPPEN EVERY TIME BUT WHEN IT DOES IT FEELS AS IF THE CAR HAS BEEN HIT FROM BEHIND. DEALER HAS NOT BEEN ABLE TO DUPLICATE THE PROBLEM BUT STATES THAT OTHER OWNERS HAVE REPORTED THE SAME PROBLEM. *TR

NHTSA ODI #10227208

13,118 miles · Apr 10, 2007
Power TrainService Brakes, HydraulicCrash

TL*- THE CONTACT OWNS A 2006 GMC ENVOY DENALI. THERE WAS A VIBRATION IN THE VEHICLE WHEN THE GAS PEDAL WAS APPLIED WHILE TRAVELING BETWEEN 30 AND 40 MPH. THE VEHICLE WOULD ALSO VIBRATE AT ANY SPEED. IT FELT AND SOUNDED AS IF IT NEEDED TO SHIFT GEARS, AS IN A MANUAL VEHICLE, BUT WAS IN THE WRONG GEAR. IT WAS INVOLVED IN A CRA…

Read full complaint

TL*- THE CONTACT OWNS A 2006 GMC ENVOY DENALI. THERE WAS A VIBRATION IN THE VEHICLE WHEN THE GAS PEDAL WAS APPLIED WHILE TRAVELING BETWEEN 30 AND 40 MPH. THE VEHICLE WOULD ALSO VIBRATE AT ANY SPEED. IT FELT AND SOUNDED AS IF IT NEEDED TO SHIFT GEARS, AS IN A MANUAL VEHICLE, BUT WAS IN THE WRONG GEAR. IT WAS INVOLVED IN A CRASH IN NOVEMBER 2006. TWO DEALERS STATED THAT THERE WAS A TECHNICAL SERVICE BULLETIN THAT REFERENCED THE FAILURE, BUT THERE WAS NOTHING THEY COULD DO TO CORRECT IT. WHEN ENGAGING THE BRAKE THE VEHICLE WOULD MOVE FORWARD AND A NOISE COULD BE HEARD. THE NOISE FREQUENTLY OCCURRED AFTER A QUICK STOP. THIS FAILURE HAD OCCURRED DURING THE SAME PERIOD OF TIME. THE DEALER DIAGNOSED THE FAILURE, AND STATED THEY HAVE REPAIRED THE NOISE, BUT IT CONTINUED TO OCCUR. THE CURRENT MILEAGE WAS 14,000, AND THE FAILURE MILEAGE WAS 13,118.*AK

NHTSA ODI #10187958

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.