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.

First-time pass rate

82%

MOTs analysed

63,768

Still licensed (GB)

138,005

Body type

Hatchback

Pass rate by year of first registration

Older cars fail more often, so compare a car with others of the same age. Years with very few MOTs can show extreme pass rates, even 0% or 100%, so give more weight to years with more tests.

In detail:

First registered

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%

Looking at a particular car?

See its own MOT history, mileage and red flags, compared with these figures. Free.

Based on 2025 initial MOT tests in DVSA's anonymised MOT dataset (cars and light vans). Contains public sector information licensed under the Open Government Licence v3.0. Model details: Vehicle data by VehiclesDB.