MG ZT MOT reliability

MG ZTs passed their MOT first time 65% of the time across 1,964 tests in 2025. 1,503 are still licensed in Great Britain.

First-time pass rate

65%

MOTs analysed

1,964

Still licensed (GB)

1,503

Body type

Sedan

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

2006 petrol

58 MOTs

These figures come from 58 MOT tests. That's a fairly small number of cars, so they may not be typical of these cars as a whole.

Passed first time 83%. Typical mileage 67,311 (most between 46,305 and 93,342).

2007: 100% → 2008: 75% → 2009: 75% → 2010: 77% → 2011: 72% → 2012: 77% → 2013: 62% → 2014: 59% → 2015: 63% → 2016: 62% → 2017: 70% → 2018: 66% → 2019: 72% → 2020: 86% → 2021: 74% → 2022: 77% → 2023: 77% → 2024: 68% → 2025: 83%

Most common failures

Rbt (sp): efficiency below requirements (3.4%)
Position lamp: not working (1.7%)
Headlamp aim: too low (1.7%)
SRS malfunction indicator lamp: warning lamp indicates a fault (1.7%)
Headlamp: not working on dipped beam (1.7%)

2006 diesel

41 MOTs

These figures come from 41 MOT tests. That's a fairly small number of cars, so they may not be typical of these cars as a whole.

Passed first time 63%. Typical mileage 136,455 (most between 105,612 and 166,728).

2007: 100% → 2008: 75% → 2009: 79% → 2010: 67% → 2011: 61% → 2012: 59% → 2013: 54% → 2014: 50% → 2015: 57% → 2016: 48% → 2017: 54% → 2018: 49% → 2019: 51% → 2020: 61% → 2021: 49% → 2022: 47% → 2023: 50% → 2024: 51% → 2025: 63%

Most common failures

SRS malfunction indicator lamp: warning lamp indicates a fault (7.3%)
Service brake imbalance: across an axle (7.3%)
Coil spring: fractured or broken (7.3%)
Rbt (sp): efficiency below requirements (7.3%)
Suspension arm: corroded and seriously weakened (4.9%)

Where 2006 ZTs fail

Lights & electrics

8.6%

Brakes

6.9%

Suspension & axles

6.9%

Steering

1.7%

Seat belts & other equipment

1.7%

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.