2006 Gmc Envoy Denali: Reliability Data

121
Total Complaints
80,972mi
Median Mileage
Fuel System, Gasoline
Top Issue
5
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

48,108 25th Percentile
80,972 Median Mileage
110,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Fuel System, Gasoline
18
Electrical System
17
Engine
12
Fuel/Propulsion System
7
Electronic Stability Control (Esc)
7
Suspension
7
Exterior Lighting
6
Power Train
4
Unknown Or Other
4
Vehicle Speed Control
3

Severity Assessment

5
Crashes
1
Fires
1
Injuries
0
Deaths

Sample Complaint Reports

"DT: THE CONTACT STATED THE ACCELERATOR PEDAL IN THE VEHICLE BECAME STUCK UNDER THE FLOOR MAT. THE CONTACT STATED THE FLOOR MATS WERE TOO BIG. THE VEHICLE WAS TAKEN TO THE DEALERSHIP AND THERE WAS NOTHING THAT COULD BE DONE ABOUT THE PROBLEM.*AK THE CONSUMER STATED THE PEDALS ARE DESIGNED DIFFEREN..."
"WHEN BRAKING THE CAR FEELS LIKE IT WILL STALL OUT @ AROUND 20 MPH. BROUGHT BACK TO DEALERSHIP. COMPUTER CHIP ISSUE THAT DOES NOT HAVE A SOLUTION YET. *NM"
"THE CHECK ENGINE LIGHT CAME ON AND FOLLOWED SHORTLY BY THE ENGINE QUITTING, 1 TIME AT IDLE, 2 TIMES IN WHILE UNDER WAY IN TRAFFIC. *JB"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Fuel System, Gasoline 18 complaints
25th: 46,000 mi Median: 55,000 mi 75th: 79,000 mi
Electrical System 17 complaints
25th: 44,326 mi Median: 86,222 mi 75th: 116,250 mi
Engine 12 complaints
25th: 59,428 mi Median: 86,723 mi 75th: 127,925 mi
Fuel/Propulsion System 7 complaints
25th: 66,000 mi Median: 81,000 mi 75th: 90,447 mi
Electronic Stability Control (Esc) 7 complaints
25th: 84,223 mi Median: 95,000 mi 75th: 109,500 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 17 MI: 13 KY: 10 PA: 8 OH: 7 NY: 5 AZ: 5 MO: 5 MD: 4 IN: 4

Who Files Complaints?

5%
Original Owners
95%
Second+ Owners

Gmc Envoy Denali — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
2007511

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28