2003 GMC Envoy XL 370: common problems
Owners of the 2003 GMC Envoy XL 370 filed 7 complaints with NHTSA, most often about electrical system and fuel/propulsion system. Details by component below, with sources.
Key figures
- Owner complaints
- 7
What fails most often
- 1 Electrical system 29% of all complaints
- 2 Fuel/propulsion system 29% of all complaints
- 3 Engine 14% of all complaints
- 4 Latches, locks, linkages 14% of all complaints
- 5 Structure 14% of all complaints
- Electrical system: 2 complaints (29% of all).
- Fuel/propulsion system: 2 complaints (29% of all).
- Engine: 1 complaints (14% of all).
- Latches, locks, linkages: 1 complaints (14% of all).
- Structure: 1 complaints (14% of all).
Symptoms owners describe
How many of the 7 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 2 | 0 | 0 |
| Fuel/propulsion system | 2 | 0 | 0 |
| Engine | 1 | 0 | 0 |
| Latches, locks, linkages | 1 | 0 | 0 |
| Structure | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The ac and heater have a mind of their own as well. Along with all the lights. Some times they work sometimes they dont
Gmc is admitting to a faulty gas tank and only covers this up to 150,000 miles I bought the car after the 150,000 miles and now have gas leaking the tank was never fixed. Why does the mileage make a difference? This is a major safety issue that gmc should cover regardless of the mileage.
While filling up my vehicle with gas at samsclub, it began leaking continuously from the tank. We replaced the filler neck hose, but it turns out the gas tank has a crack at the top. When you walk by, you could smell the fumes.
Plastic gas tank leaks. Gmc does not care. I talked with them they ignore repair is $1,600.00 or more. People are fixing with glue? Gasoline spill from cracked plastic fuel tank.
Right rear door lock is broke will not shut or lock we were at the store and when we went back to the vehicle went to shut the door and the latch will not catch and shut the door.
The lift gate warning light malfunctioning says gate open and isn't light doesn't go off.
My wife was in the process of closing the rear hatch on our 2003 envoy xl (80,000 miles) after removing some articles from the back. She had moved the door about 1-2 inches downward using the molded handle on the bottom of the lift gate to close the door when the rear glass shattered over her head.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 12,538 of 36,656 model years in the NHTSA data (top 34% most complained about).
On average one model year of the Envoy XL 370 has 25 complaints (5 years in the data). This year has 7, below average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Latches, locks, linkages. Door, hood and tailgate latches, especially near the impact.
Other years of this model
Questions and answers
What are the most common problems with the 2003 GMC Envoy XL 370?
Owner complaints to NHTSA most often mention: electrical system, fuel/propulsion system, engine. Total complaints: 7. The most frequent symptoms in complaint texts: A/C or heater (14%), door locks, latches, handles (14%), fuel system, fuel smell (14%).
How many service bulletins (TSB) were issued for the 2003 GMC Envoy XL 370?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2003 GMC Envoy XL 370 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2003 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.