TL* THE CONTACT OWNS A 2006 GMC ENVOY DENALI. WHILE DRIVING APPROXIMATELY 60 MPH, THE ELECTRONIC STABILITY CONTROL AND TRACTION CONTROL WARNING INDICATORS BEGAN TO ILLUMINATE. IMMEDIATELY THERE WAS A SUBSTANTIAL REDUCTION IN THE SPEED RATE. THE FAILURE OCCURRED REPEATEDLY WHENEVER THE VEHICLE WAS IN OPERATION. ON TWO SEPARATE OCCASIONS THE ENGINE STALLED WITHOUT PRIOR WARNING AND RESTARTED AFTER W…
2006 gmc Envoy engine problems
moderate 28 complaints filed with NHTSA · avg repair $3,100
Complaints
28
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 2 most recent
VEHICLE HAS BEEN LOSING VOLTAGE WHEN CAR IS STARTED AND IN IDLE POSITION. WHEN CAR IS DRIVING THE VOLTAGE IS ALWAYS READING OK BUT WHEN YOUR AT A STOP LIGHT THEN ALL THE INSTRUMENT LIGHTS DIM AND THE BATTERY GETS DOWN TO 10 AND SOMETIMES THE CAR STARTS TO STALL. BROUGHT THE CAR TO DARCY MOTORS IN JOLIET, IL AND THEY SAID ITS NORMAL AND THE ENVOYS EXPERIENCE THIS. I DON'T BELIEVE THIS AND THE CAR I…
Common questions
How serious is the engine problem on the 2006 gmc Envoy?
It's a documented issue but not catastrophic. 28 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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