MG ZS MOT reliability
MG ZSs passed their MOT first time 82% of the time across 63,768 tests in 2025. 138,005 are still licensed in Great Britain.
Photo: Sebhaque ( talk ) · Public domain · Wikimedia Commons
First-time pass rate
82%
MOTs analysed
63,768
Still licensed (GB)
138,005
Body type
Hatchback
Pass rate by year of first registration
In detail:
First registered
2022
2022 petrol
11,964 MOTs
Passed first time 86%. Typical mileage 21,995 (most between 15,784 and 29,427).
2022: 0% → 2023: 91% → 2024: 91% → 2025: 86%
Most common failures
- Brake pads: less than 1.5 mm thick (2.1%)
- Tread depth below requirements of 1.6mm (1.7%)
- Front fog lamps: not working (1.5%)
- Tyre pressure monitoring system: malfunctioning or obviously inoperative (1.3%)
- Coil spring: fractured or broken (1.3%)
2022 electric
6,838 MOTs
Passed first time 84%. Typical mileage 26,879 (most between 18,152 and 39,551).
2022: 100% → 2023: 92% → 2024: 87% → 2025: 84%
Most common failures
- Coil spring: fractured or broken (5.8%)
- Condition: has a cut in excess of the requirements deep enough to reach the ply or cords (2.5%)
- Tread depth below requirements of 1.6mm (2.0%)
- Headlamp aim: too high (0.8%)
- Registration plate lamp(s): inoperative in the case of a single lamp or all lamps (0.8%)
Where 2022 ZSs fail
Wheels & tyres
4.4%
Brakes
4.0%
Lights & electrics
3.9%
Suspension & axles
2.1%
Visibility & wipers
1.5%
Body, structure & corrosion
0.2%
Exhaust, emissions & leaks
0.2%
Seat belts & other equipment
0.2%
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