MG ZT MOT failures and reliability
In 2023 the MG ZT took 2,716 MOT tests in Britain and passed 62% of them first time, below the national average of 71% for all cars. The figures below come from the DVSA's record of every test, so they show what testers actually found on these cars rather than what owners report.
- MOT tests in 2023
- 2,716
- First-time pass rate
- 62%
- All cars
- 71%
What the ZT fails on
Share of tests with at least one failure in each area, against the figure for all cars.
- Suspension17.6% (all cars 9.0%)
- Brakes15.9% (all cars 6.8%)
- Lights and electrics13.8% (all cars 11.3%)
- Seat belts and airbags7.1% (all cars 1.0%)
- Body and structure6.3% (all cars 3.5%)
- Tyres6.2% (all cars 6.4%)
- Visibility4.8% (all cars 4.8%)
- Steering4.3% (all cars 1.8%)
Most common failure items
Share of tests on which each item was recorded.
- Rbt (sp): efficiency below requirements 6.0%
- SRS malfunction indicator lamp: warning lamp indicates a fault 5.7%
- Component mounting prescribed areas: prescribed area excessively corroded significantly reducing structural strength 4.2%
- Headlamp aim: projected beam image is obviously incorrect 3.4%
- Rigid brake pipes: excessively corroded 3.0%
- Track rod end: ball joint has excessive play 2.6%
- Coil spring: fractured or broken 2.6%
- Suspension arms, ball joint: ball joint excessively worn 2.5%
Most common advisories
- Rigid brake pipes: corroded, covered in grease or other material 20.0%
- Brake discs: worn, pitted or scored, but not seriously weakened 14.5%
- Tread depth: worn close to legal limit/worn on edge 13.8%
- Suspension arm: corroded but not seriously weakened 7.2%
- Tyres, condition: slightly damaged/cracking or perishing 6.7%
- Sub-frame: corroded but not seriously weakened 6.6%
- Coil spring: corroded 4.9%
- Engine oil leaks: leak, but not excessive 4.9%
Pass rate by year of registration
Older cars fail more often whatever the model, so compare a car with others of the same age.
| First registered | Tests | Pass rate |
|---|---|---|
| 2002 | 301 | 64% |
| 2003 | 632 | 60% |
| 2004 | 950 | 62% |
| 2005 | 547 | 62% |
Typical mileage by age
Average odometer reading at the MOT, by the car's age in years at the test.
| Age at test | Average mileage |
|---|---|
| 17 years | 99,256 miles |
| 18 years | 107,233 miles |
| 19 years | 105,902 miles |
| 20 years | 115,211 miles |
Check a particular ZT
Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.
Other MG models
Source: Department for Transport, Anonymised MOT tests and results, 2023, cars and light vans, normal tests only. Pass rates are first-time passes; a pass after repair at the test station counts as a fail. Contains public sector information licensed under the Open Government Licence v3.0.