2006 Gmc Envoy Denali Xl: Reliability Data

Source: NHTSA — 62 complaints
62
Total Complaints
85,287mi
Median Mileage
FUEL SYSTEM, GASOLINE
Top Issue
3
Crash Reports

When Do Complaints Happen?

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

51,000 25th Percentile
85,287 Median Mileage
128,623 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

FUEL SYSTEM, GASOLINE
11
ELECTRICAL SYSTEM
6
ENGINE
5
POWER TRAIN
4
FUEL SYSTEM, OTHER
3
VEHICLE SPEED CONTROL
3
SUSPENSION
3
EXTERIOR LIGHTING
3
FUEL/PROPULSION SYSTEM
3
AIR BAGS
2

Severity Assessment

3
Crashes
1
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"I WAS DRIVING ALONG INTERSTATE 69 NEAR FORT WAYNE IN MY LEASED 2006 GMC ENVOY DENALI WITH MY BOSS ON COMPANY BUSINESS WHEN A CAR FROM BEHIND ME PULLED ALONG SIDE HONKING THEIR HORN AND YELLING FOR ME TO PULL OVER AND GET OUT OF MY CAR BECAUSE IT WAS ON FIRE. WE IMMEDIATELY STOPPED, GOT OUT, AND SAW ..."
"WHILE DRIVING, CHECK ENGINE LIGHT CAME ON. FUEL TANK GAUGE STARTED TO CONTINUALLY SHIFT FROM WHATEVER STATE THE FUEL TANK WAS IN TO EMPTY THEN AFTER SOME TIME REVERT BACK TO NORMAL FUEL CAPACITY AT THE TIME. CONTACTED ONSTAR FOR A DIAGNOSTIC AND THEY STATED THERE IS A PROBLEM WITH THE FUEL SENDING U..."
"MY WIFE WAS INVOLVED IN AN ACCIDENT LAST NIGHT IN WHICH THE VEHICLE, A 2006 GMC ENVOY DENALI WAS TOTALED, BUT NEITHER AIR BAD DEPLOYED. *TR"

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 11 complaints
25th: 43,500 mi Median: 50,000 mi 75th: 62,500 mi
ELECTRICAL SYSTEM 6 complaints
25th: 87,000 mi Median: 109,000 mi 75th: 128,623 mi
ENGINE 5 complaints
25th: 68,965 mi Median: 97,643 mi 75th: 114,655 mi
POWER TRAIN 4 complaints
25th: 26,975 mi Median: 78,961 mi 75th: 135,217 mi
FUEL SYSTEM, OTHER 3 complaints
Median: 75,264 mi

Where Are Complaints Coming From?

Top states by complaint count.

OH: 7 GA: 6 FL: 5 IL: 4 PA: 4 NJ: 3 IN: 3 CA: 3 KY: 3 TX: 3

Who Files Complaints?

3.2%
Original Owners
96.8%
Second+ Owners

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