1991 Chevrolet G20: common problems
Owners of the 1991 Chevrolet G20 filed 5 complaints with NHTSA, most often about structure and engine and cooling. Details by component below, with sources.
Key figures
- Owner complaints
- 5
What fails most often
- 1 Structure 40% of all complaints
- 2 Engine and cooling 20% of all complaints
- 3 Suspension 20% of all complaints
- 4 Vehicle speed control 20% of all complaints
- Structure: 2 complaints (40% of all).
- Engine and cooling: 1 complaints (20% of all).
- Suspension: 1 complaints (20% of all).
- Vehicle speed control: 1 complaints (20% of all).
Symptoms owners describe
How many of the 5 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) |
|---|---|---|---|
| Structure | 2 | 0 | 0 |
| Engine and cooling | 1 | 0 | 0 |
| Suspension | 1 | 0 | 0 |
| Vehicle speed control | 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.
While driving the vehicle started to smoke, when the vehicle was stopped at the roadside the consumer noticed antifreeze leaking out from the engine, then the engine caught fire. (ohio traffic crash report).
The door hinges are breaking off the door and there will be nothing to hold the door closed.
Ball joints are wearing out so fast that seems as though there's a tire problem; causes poor handling of vehicle; pulls to left/right. Tt
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 14,282 of 36,656 model years in the NHTSA data (top 39% most complained about).
On average one model year of the G20 has 14 complaints (21 years in the data). This year has 5, below average.
What to check before buying
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Suspension. Wheel alignment, control arms, subframe, even tire wear.
- Vehicle speed control. Accelerator pedal, cruise control, throttle codes.
Other years of this model
Questions and answers
What are the most common problems with the 1991 Chevrolet G20?
Owner complaints to NHTSA most often mention: structure, engine and cooling, suspension. Total complaints: 5. The most frequent symptoms in complaint texts: smoke, burning smell, fire (20%), unintended acceleration (20%).
How many service bulletins (TSB) were issued for the 1991 Chevrolet G20?
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 1991 Chevrolet G20 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 1991 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.