Mg ZT - 2006
273.3 faults per 100 tests
Year average for all cars of 2006 is 371.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mg ZT, model year 2006.
Sample size: 139 cars, 281 tests and 768 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 139 cars
The 2006 MG ZT has an overall defect rate of 273 per 100 vehicles, which is significantly better than the yearly average of 369 per 100, indicating a 26% lower defect rate. Notably, as mileage increases, the defect rate for the ZT also rises, but it remains lower than the average at all mileage segments, particularly for those exceeding 93,000 miles. The model excels in categories such as brakes, visibility, and lights and electrics, showing improved performance compared to average defect rates. However, it has a higher rate of steering-related issues, which could be a point of concern for potential buyers.
Cars by mileage segment
Total: 139 cars
Categories
Brakes
▲ 25.6% better
114.6 faults / 100 tests
Year avg: 154.1 / 100 tests
- Parking brake inoperative on one side, or in the case of testing on the road, the vehicle deviates excessively from a straight line
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Parking brake efficiency: below minimum requirement
- Excessive fluctuation in brake effort through each wheel revolution
- Brake pipe damaged or excessively corroded
Steering
▼ 33.7% worse
27.0 faults / 100 tests
Year avg: 20.2 / 100 tests
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Power steering fluid leaking or system malfunctioning
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
Visibility
▲ 63.9% better
10.0 faults / 100 tests
Year avg: 27.7 / 100 tests
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 40.4% better
66.2 faults / 100 tests
Year avg: 111.1 / 100 tests
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- Lamp emitted colour, position or intensity not in accordance with the requirements
- Headlamp levelling device inoperative
- Headlamp reflector or lens: slightly defective
- The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 15.4% better
266.2 faults / 100 tests
Year avg: 314.5 / 100 tests
- A suspension component: excessively damaged or corroded
- A suspension pin, bush, joint or bearing: excessively worn
- The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
- Tyre tread depth not in accordance with the requirements
- A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 43.7% better
33.5 faults / 100 tests
Year avg: 59.5 / 100 tests
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: severely deteriorated
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Exhaust system has a major leak or is insecure
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▼ 8.5% worse
12.8 faults / 100 tests
Year avg: 11.8 / 100 tests
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A statutory seat belt missing
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 63.3% better
16.4 faults / 100 tests
Year avg: 44.7 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Exhaust emits excessive smoke or vapour of any colour to an extent likely to obscure the vision of other road users
- An induction or exhaust leak that could affect emissions levels
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Emissions levels exceed the manufacturer’s specified limits
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 96
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 62
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 60
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 41
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 36
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 29
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 26
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 23
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 20
Headlamp reflector or lens: slightly defective
MINOR
Occurrences: 17
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 15
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 14
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 12
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 11
A steering ball joint: with excessive wear or free play
FAIL
Occurrences: 9
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 8
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 7
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 6
Exhaust system has a major leak or is insecure
FAIL
Occurrences: 6
Parking brake inoperative on one side, or in the case of testing on the road, the vehicle deviates excessively from a straight line
FAIL
Occurrences: 6