Most common 2003 GMC Envoy 360 problems
Share of the 8 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
GMC Envoy 360 complaints by model year
Best Envoy 360 years: 2003, 2004, 2002. Years to avoid: 2007. Compare all years →
NHTSA defect investigations
Federal safety investigators have looked into 2 possible defects involving the 2003 GMC Envoy 360:
Fuel pump module leaks gasoline
Odi has received reports that the fuel pump module leaks fuel and or vapor underneath the vehicle.GM states, the failure mechanism is corrosion of the fuel pump module flange which May lead to a fuel leak.corrosion of the fuel pump module flange is the result of the vehicle operating in a corrosive environment.odi has upgraded this pe to engineering analysis (ea07-009) to further assess this issue.
Fuel pump module leaks gasoline
During the course of this ea investigation, odi observed that the majority of the complaints (88%) and warranty claims (94%) were reported for vehicles that are registered for use in the salt belt region of the us.this area includes 20 states in the northeast, mid atlantic and the midwest regions and the district of columbia.consumers in the salt belt region reported to odi that they could smell fuel vapors in their…
What 2003 GMC Envoy 360 owners say
Electrical system
Tl* the contact owns a 2003 GMC Envoy 360. The contact stated that while driving at 35 MPH, the check engine and reduce power warning lights illuminated. The contact also stated that the accelerator pedal failed to respond. The vehicle was restarted. The vehicle was taken to a dealer where it could not be diagnosed. No repairs were done. The manufacturer was not made aware of the failure. The failure mileage was 105,000.
Tl* the contact owns a 2003 GMC Envoy 360. The contact stated that the turn signals failed to work in the rear of the vehicle. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 75,000.
Fuel & propulsion system
Fuel pump module corrosion causing leaking fuel and fuel vapors from the top of the fuel tank. This is due to a design defect as the fuel pump module sits lower than the highest point of the fuel tank and moisture and debris accumulate on top of the fuel pump module. The top of the module is not manufactured with appropriate rust-proofing measures and the materials used leave it prone to rusting and failure, compromising the seal and allowing fuel to escape from the tank. This poses a fire hazard, especially if fuel is able to reach heated exhaust pipes, etc. I took my vehicle into a a GMC dealership and was denied repair of the vehicle or reimbursement for repair. There was a special coverage for this vehicle that has since expired, proving that GM is / was aware of the problem. …
Tl* the contact owns a 2003 GMC Envoy 360. While driving various speeds, the vehicle emitted a fuel odor from the rear of the vehicle. The fuel tank leaked fuel no matter how much fuel was in the tank. The contact took the vehicle to the dealer, but it was not diagnosed nor repaired. The contact notified the manufacturer who stated that the failure was covered under warranty; however, the contact's vehicle did not meet warranty guidelines. The approximate failure mileage was 153,802.
Frequently asked questions
Is the 2003 GMC Envoy 360 a good car?
Based on 8 owner complaints filed with NHTSA, the 2003 Envoy 360 rates few complaints: 60% fewer complaints than a typical year of the Envoy 360 at the same age. It is one of the best Envoy 360 years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2003 GMC Envoy 360?
The electrical system — 3 complaints, 38% of all complaints for this model year, most often about instrument cluster/panel. Next are the fuel & propulsion system (3) and air bags (2).
How many recalls does the 2003 GMC Envoy 360 have?
NHTSA lists no recalls for the 2003 GMC Envoy 360. You can still confirm with your VIN using our VIN recall check.
What are the best and worst years of the GMC Envoy 360?
The best years by complaints, compared at the same age, are 2003, 2004 and 2002. Years to avoid or approach with caution: 2007. See the full GMC Envoy 360 years comparison.
At what mileage do 2003 GMC Envoy 360 problems happen?
The median mileage reported in complaints is about 154,000 miles; 0% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.