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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.

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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

Engine complaints

12 reports
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75,329 miles · Aug 28, 2013
Engine

AFTER DRIVING APPROXIMATELY 20 MILES ON CRUISE CONTROL I TAPPED THE BRAKES TO DISENGAGE THE CRUISE CONTROL. THE VEHICLE DRAMATICALLY LOST POWER AND THE CHECK ENGINE LIGHT CAME ON. I WAS ABLE TO AVOID OTHER TRAFFIC AND PULL OVER ON THE FREEWAY, I THEN DROVE OFF THE FREEWAY ON THE SHOULDER AND INTO THE NEAREST GM DEALER AT MAXIMU…

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AFTER DRIVING APPROXIMATELY 20 MILES ON CRUISE CONTROL I TAPPED THE BRAKES TO DISENGAGE THE CRUISE CONTROL. THE VEHICLE DRAMATICALLY LOST POWER AND THE CHECK ENGINE LIGHT CAME ON. I WAS ABLE TO AVOID OTHER TRAFFIC AND PULL OVER ON THE FREEWAY, I THEN DROVE OFF THE FREEWAY ON THE SHOULDER AND INTO THE NEAREST GM DEALER AT MAXIMUM SPEED OF APPROXIMATELY 30 MPH. THE PROBLEM WAS DIAGNOSED SEVERAL TIMES RESULTING IN REWIRING OF THE THROTTLE BODY CONNECTOR AND FINALLY REPLACEMENT OF THE THROTTLE BODY AFTER THE THIRD INCIDENT OF THE SAME ISSUE. LOSS OF POWER AND UNABLE TO PROCEED AT MORE THAN ABOUT 30 MPH. *TT

NHTSA ODI #10537614

114,000 miles · Aug 5, 2013
Engine

IN THE REAR COMPARTMENT OF MY 2006 GMC ENVOY DENALI THERE IS A COMPRESSOR. THERE MUST BE A LEAK BECAUSE MY CAR LOOKS LIKE A LOW RIDER IN THE MORNING UNTIL I START IT AND THE COMPRESSOR COMES ON AND IN ABOUT 3 OR 4 MINUTES IT IS BACK TO IT'S NORMAL DRIVABLE HEIGHT. HAS THERE BEEN THIS PROBLEM WITH ANYONE ELSE AND IS THERE A RECAL…

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IN THE REAR COMPARTMENT OF MY 2006 GMC ENVOY DENALI THERE IS A COMPRESSOR. THERE MUST BE A LEAK BECAUSE MY CAR LOOKS LIKE A LOW RIDER IN THE MORNING UNTIL I START IT AND THE COMPRESSOR COMES ON AND IN ABOUT 3 OR 4 MINUTES IT IS BACK TO IT'S NORMAL DRIVABLE HEIGHT. HAS THERE BEEN THIS PROBLEM WITH ANYONE ELSE AND IS THERE A RECALL TO FIX THIS PROBLEM? *TR

NHTSA ODI #10533729

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.