General Motors Unclassified
From 418 MOT tests. Above average for its class.
Common MOT failure categories
What goes wrong?
The most common MOT failure reasons are exhaust system leaking or insecure, number plate does not conform to the specified requirements, lamp emitted colour and position or intensity not in accordance with the requirements. The top issue, exhaust system leaking or insecure, caused 10 failures in 2024. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| exhaust system leaking or insecure | 10 |
| number plate does not conform to the specified requirements | 9 |
| lamp emitted colour, position or intensity not in accordance with the requirements | 9 |
| a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 6 |
| steering rack gaiter or ball joint dust cover damaged or deteriorated | 4 |
| a rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources | 3 |
| service brake efficiency below minimum requirement | 3 |
| stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 2 |
| parking brake efficiency below minimum requirement | 2 |
| front or rear fog lamp emitted colour, position or intensity not in accordance with the requirements | 2 |
How serious are these failures?
Not all MOT failures are equal. 20% of Unclassified failures could actually strand you: fractured springs, engine faults, exhaust problems. Another 4% are safety issues where the car still drives but shouldn't, such as worn brakes, corroded brake pipes, and steering wear. When it does fail, the average repair bill is around £80.
Typical mileage
Half of all Unclassifieds tested had between 30,949 and 77,384 miles on the clock.
At 54,230 median miles, the Unclassified has 0.02 failures per 10,000 miles driven.
Common questions
What is the General Motors Unclassified MOT pass rate?
The General Motors Unclassified has a 89% MOT pass rate based on 418 real MOT tests. This is above the national average.
What are common MOT failures on a General Motors Unclassified?
The most common MOT failure on the General Motors Unclassified is exhaust system leaking or insecure, which caused 10 failures. Other common issues include number plate does not conform to the specified requirements.
What is the typical mileage of a General Motors Unclassified at MOT?
The median mileage at MOT for a General Motors Unclassified is 54,230 miles. The middle 50% of vehicles tested have between 30,949 and 77,384 miles.
Buying a used Unclassified?
Start with the free tools. Look up the specific vehicle's MOT history on GOV.UK The mileage at each test will show if it's been wound back, and the advisory history tells you what's wearing. Cross-reference that against the typical failures above to see if anything looks unusual for this model.
The free data won't tell you about outstanding finance, theft markers, or write-off history. For that, you need a vehicle history check This is especially important on a private sale where you have fewer legal protections.
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MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.