MOT reliability
Mg Z
135 vehicles · 642 completed MOT tests analysed
73%
MOT pass rate
Based on 135 Mg Z vehicles and 642 completed MOT tests, the Mg Z has an overall 73% pass rate, with an average recorded mileage of 64,990 miles.
135
Vehicles
642
MOT tests
9,402
Avg miles / year
1.2
Faults per test
0%
Dangerous-fault share
Mg Z problem areas
Where faults occur most across all Mg Z MOT tests:
-
Other116%
-
Emissions & nuisance9%
-
Seatbelts & equipment7%
-
Brakes5%
-
Steering1%
-
Visibility1%
-
Body & structure0%
-
Lamps & electrical0%
Mg Z pass rate by age
How the Mg Z's MOT pass rate changes as it ages (buckets with 20+ tests).
| Age (years) | Tests | Pass rate |
|---|---|---|
| 3 | 99 | 73% |
| 4 | 155 | 76% |
| 5 | 170 | 71% |
| 6 | 126 | 69% |
| 7 | 58 | 74% |
| 8 | 18 | 94% |
| 9 | 5 | 60% |
| 10 | 3 | 33% |
| 11 | 2 | 50% |
| 13 | 1 | 100% |
Fuel types: Petrol (135)
Most common Mg Z MOT faults
These are the faults and advisories recorded most often across Mg Z MOT tests:
- Nearside Front Tyre worn close to the legal limit (4.1.E.1) (30 times)
- Offside Front Tyre worn close to the legal limit (4.1.E.1) (25 times)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1) (24 times)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (23 times)
- Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1) (18 times)
- Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3) (17 times)
- Front Brake pad(s) wearing thin (3.5.1g) (15 times)
- Offside Stop lamp not working (1.2.1b) (14 times)
- Rear Exhaust has a major leak of exhaust gases (7.1.2) (14 times)
- Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1) (14 times)
- Rear Exhaust has a minor leak of exhaust gases (7.1.2) (11 times)
- Oil leak (11 times)
- Offside Front Brake pad(s) wearing thin (3.5.1g) (10 times)
- Exhaust has part of the system slightly deteriorated (7.1.1a) (10 times)
- Nearside Front Brake pad(s) wearing thin (3.5.1g) (10 times)
Mg Z pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2004 | 22 | 81 | 70% | 49,090 |
| 2003 | 39 | 175 | 75% | 71,714 |
| 2002 | 47 | 240 | 73% | 65,593 |
| 2001 | 27 | 146 | 71% | 66,617 |
Mg Z reliability FAQ
Across 135 Mg Z vehicles in our MOT data,
73% pass the MOT (a 27% failure rate), with about
1.2 faults or advisories recorded per test.
The most frequently recorded Mg Z MOT issues are:
Nearside Front Tyre worn close to the legal limit (4.1.E.1); Offside Front Tyre worn close to the legal limit (4.1.E.1); Offside Rear Tyre worn close to the legal limit (4.1.E.1).
The typical Mg Z in our data has covered around
64,990 miles.
Compare the Mg Z
See how the Mg Z stacks up against other Mg models on MOT reliability:
Check a specific Mg Z
Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.
See all Mg models · Learn about common MOT failures · what an MOT checks