MOT reliability
Mg B g
87 vehicles · 447 completed MOT tests analysed
68%
MOT pass rate
Based on 87 Mg B g vehicles and 447 completed MOT tests, the Mg B g has an overall 68% pass rate, with an average recorded mileage of 67,695 miles.
87
Vehicles
447
MOT tests
3,243
Avg miles / year
2.2
Faults per test
0%
Dangerous-fault share
Mg B g problem areas
Where faults occur most across all Mg B g MOT tests:
-
Other103%
-
Emissions & nuisance6%
-
Steering5%
-
Brakes4%
-
Tyres, wheels & suspension4%
-
Seatbelts & equipment3%
-
Lamps & electrical1%
-
Body & structure1%
Mg B g pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 7 | 2 | 50% |
| 8 | 2 | 50% |
| 9 | 2 | 50% |
| 10 | 1 | 100% |
| 11 | 1 | 100% |
| 12 | 1 | 100% |
| 13 | 1 | 100% |
| 14 | 1 | 100% |
| 15 | 1 | 100% |
| 16 | 1 | 100% |
| 17 | 1 | 100% |
| 18 | 2 | 50% |
| 19 | 1 | 100% |
| 20 | 2 | 50% |
Fuel types: Petrol (87)
Most common Mg B g MOT faults
These are the faults and advisories recorded most often across Mg B g MOT tests:
- Parking brake: efficiency below requirements (3.7.B.7) (28 times)
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a) (18 times)
- Windscreen washer provides insufficient washer liquid (8.2.3) (15 times)
- Oil leak (13 times)
- Horn not working (1.6.2a) (10 times)
- Nearside Steering rack gaiter split (2.2.D.2d) (10 times)
- Brakes imbalanced across an axle (3.7.B.5b) (10 times)
- Nearside Rear Suspension spring mounting prescribed area is excessively corroded (2.4.A.3) (9 times)
- Offside rear parking brake recording little or no effort (3.7.B.6a) (9 times)
- Offside Headlamp aim too high (1.8) (8 times)
- Oil leak, but not excessive (8.4.1 (a) (i)) (8 times)
- Offside Rear Suspension spring mounting prescribed area is excessively corroded (2.4.A.3) (8 times)
- Nearside rear parking brake recording little or no effort (3.7.B.6a) (7 times)
- Fuel pipe/s corroded (7 times)
- Offside Rear rear brake binding (3.7.B.1) (7 times)
Mg B g pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1998 | 1 | 25 | 80% | 29,688 |
| 1984 | 1 | 2 | 50% | 83,521 |
| 1983 | 1 | 6 | 67% | 19,649 |
| 1981 | 3 | 25 | 76% | 70,550 |
| 1980 | 5 | 18 | 72% | 63,565 |
| 1979 | 6 | 39 | 62% | 71,652 |
| 1978 | 15 | 54 | 69% | 53,661 |
| 1977 | 6 | 32 | 44% | 75,975 |
| 1976 | 7 | 19 | 63% | 174,509 |
| 1975 | 5 | 26 | 73% | 101,627 |
| 1974 | 3 | 16 | 62% | 38,677 |
| 1973 | 9 | 42 | 69% | 41,539 |
| 1972 | 5 | 33 | 67% | 51,137 |
| 1971 | 8 | 31 | 65% | 58,175 |
| 1970 | 4 | 23 | 74% | 46,895 |
| 1969 | 1 | 5 | 80% | 75,176 |
| 1968 | 2 | 21 | 90% | 43,521 |
| 1967 | 4 | 28 | 61% | 59,137 |
| 1966 | 1 | 2 | 100% | 893 |
Mg B g reliability FAQ
Across 87 Mg B g vehicles in our MOT data,
68% pass the MOT (a 32% failure rate), with about
2.2 faults or advisories recorded per test.
The most frequently recorded Mg B g MOT issues are:
Parking brake: efficiency below requirements (3.7.B.7); Exhaust emissions carbon monoxide content excessive (7.3.B.1a); Windscreen washer provides insufficient washer liquid (8.2.3).
The typical Mg B g in our data has covered around
67,695 miles.
Compare the Mg B g
See how the Mg B g stacks up against other Mg models on MOT reliability:
Check a specific Mg B g
Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.
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