2006 GMC Envoy Denali problems
Verdict · NHTSA data
Worth extra scrutiny
The 2006 GMC Envoy Denali sits mid-pack among Envoy Denali years: 121 NHTSA complaints against a model median of roughly 86, with no recalls and one closed investigation.
No single system dominates the record — complaints spread across fuel system (28), electrical system (26), and engine (16), which usually points to general build quality rather than one defect.
121
NHTSA complaints
0
Recalls
1
Investigations
5
Crash-involved
1
Fires reported
1
Injuries
0
Deaths
—
NCAP overall
How does 2006 compare to other Envoy Denali years?
What are the most common 2006 GMC Envoy Denali problems?
| Component | Complaints | Share | vs prior year |
|---|---|---|---|
| Fuel System | 28 | 23% | new |
| Electrical System | 26 | 21% | new |
| Engine | 16 | 13% | new |
| Suspension | 11 | 9% | new |
| Lighting | 8 | 7% | new |
| Transmission | 8 | 7% | new |
| Other | 5 | 4% | new |
| Visibility & Wipers | 4 | 3% | new |
| Steering | 3 | 2% | new |
| Speed Control | 3 | 2% | new |
| Airbags | 2 | 2% | new |
| Climate Control (A/C & Heat) | 2 | 2% | new |
| Brakes | 2 | 2% | new |
| Tires & Wheels | 1 | 1% | new |
| Body & Structure | 1 | 1% | new |
| Latches & Locks | 1 | 1% | new |
Consumer complaints filed with NHTSA
Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.
“TL* THE CONTACT OWNS A 2006 GMC ENVOY DENALI. WHILE DRIVING APPROXIMATELY 35 MPH THE CONTACT NOTICED THE FUEL GAUGE DISPLAYED EMPTY. THE CONTACT PREVIOUSLY ADDED FUEL AND CONFIRMED THAT THE FUEL TANK WAS NOT EMPTY. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE VEHICLE WAS NOT…”
“GM HAS A RECALL OUT FOR ENVOY DENALI DRIVER DOOR PANELS SHORTING OUT CAUSING SMOKE AND POSSIBLE FIRE. THIS IS A FACT. MY DOOR DID START ON FIRE AND THANK GOD I WAS STILL IN THE STORE WHEN IT HAPPENED. BROUGHT THE TRUCK TO THE DEALER, DEALER SAYS "YES" THIS IS A RECALL ISSUE, GM HAS THE DEALER HOLD…”
“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…”
“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.…”
“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…”
2006 GMC Envoy Denali — common questions
Is the 2006 GMC Envoy Denali reliable?
It is close to typical for the Envoy Denali: 121 NHTSA complaints, 0 recalls, and 1 investigation on file.
What are the most common 2006 Envoy Denali problems?
According to NHTSA complaint data, the leading problem areas are fuel system (28 complaints), electrical system (26 complaints), engine (16 complaints).
Does the 2006 GMC Envoy Denali have recalls?
No. NHTSA lists no recall campaigns for the 2006 GMC Envoy Denali.
Is the 2006 GMC Envoy Denali under NHTSA investigation?
NHTSA opened one investigation into this model year; all are now closed.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.