Chevrolet Gmc Common MOT Problems (2026)
Every Chevrolet Gmc model ranked by MOT fail rate, with the most common issues identified for each. Based on 438 real MOT tests.
Average Chevrolet Gmc MOT pass rate: 84%
Check Your Chevrolet Gmc's MOT History
See the specific issues found on your car, plus health score and running cost estimates.
84%
Avg pass rate
16%
Avg fail rate
4
Models tested
Chevrolet Gmc Models with the Most MOT Problems
Highest average fail rates across all tested years
| # | Model | Fail Rate | Common Issues | |
|---|---|---|---|---|
| 1 | Chevrolet Gmc Unclassified | 13% | Suspension wear, Brake disc corrosion, Structural corrosion | |
| 2 | Chevrolet Gmc Camaro V6 Auto | 10% | Suspension wear, Brake disc corrosion, Structural corrosion | |
| 3 | Chevrolet Gmc Corvette | 6% | Suspension wear, Brake disc corrosion, Structural corrosion | |
| 4 | Chevrolet Gmc Camaro Z28 V8 Auto | 4% | Suspension wear, Brake disc corrosion, Structural corrosion |
Most Reliable Chevrolet Gmc Models
Lowest average fail rates; the Chevrolet Gmc models least likely to have MOT problems
| # | Model | Pass Rate | |
|---|---|---|---|
| 1 | Chevrolet Gmc Camaro Z28 V8 Auto | 96% | |
| 2 | Chevrolet Gmc Corvette | 93% | |
| 3 | Chevrolet Gmc Camaro V6 Auto | 90% | |
| 4 | Chevrolet Gmc Unclassified | 87% |
All Chevrolet Gmc Models by Fail Rate
Every Chevrolet Gmc model and year combination, sorted by fail rate (highest first)
| Model | Year | Pass Rate | Fail Rate | |
|---|---|---|---|---|
| Unclassified | 1990 | 82% | 18% | |
| Corvette | 1990 | 82% | 18% | |
| Camaro V6 Auto | 1999 | 90% | 10% | |
| Unclassified | 1995 | 92% | 8% | |
| Camaro Z28 V8 Auto | 1999 | 96% | 4% | |
| Corvette | 1999 | 100% | 0% | |
| Corvette | 2000 | 98% | 0% |
Chevrolet Gmc MOT FAQ
What are the most common MOT problems on Chevrolet Gmc cars?
The most common MOT problems on Chevrolet Gmc cars vary by model and age, but typically include lighting defects, suspension wear, brake component deterioration, and tyre condition issues. Older Chevrolet Gmc diesels are more prone to exhaust and emissions failures. The Unclassified has the highest average fail rate at 13%.
Which Chevrolet Gmc model is the most reliable?
The most reliable Chevrolet Gmc model in our data is the Camaro Z28 V8 Auto with an average MOT pass rate of 96%. View all Chevrolet Gmc models for full reliability data.
What is the average MOT pass rate for Chevrolet Gmc?
The average MOT pass rate for Chevrolet Gmc is 84%, based on 438 MOT tests across 4 models. This means about 16% of Chevrolet Gmc cars fail their MOT on the first attempt.
Check a Specific Chevrolet Gmc
Enter any reg plate to see the individual MOT history, defects found, health score, and running cost estimate for that specific car.