MOT reliability
Mg Mgb gt
366 vehicles · 3,839 completed MOT tests analysed
75%
MOT pass rate
Based on 366 Mg Mgb gt vehicles and 3,839 completed MOT tests, the Mg Mgb gt has an overall 75% pass rate, with an average recorded mileage of 57,556 miles.
366
Vehicles
3,839
MOT tests
865
Avg miles / year
1.6
Faults per test
1%
Dangerous-fault share
Mg Mgb gt problem areas
Where faults occur most across all Mg Mgb gt MOT tests:
-
Other99%
-
Emissions & nuisance6%
-
Steering6%
-
Tyres, wheels & suspension5%
-
Brakes5%
-
Seatbelts & equipment3%
-
Lamps & electrical2%
-
Body & structure1%
Mg Mgb gt pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 1 | 2 | 100% |
| 2 | 4 | 75% |
| 3 | 2 | 100% |
| 4 | 4 | 50% |
| 5 | 6 | 50% |
| 6 | 3 | 67% |
| 7 | 5 | 60% |
| 8 | 5 | 60% |
| 9 | 3 | 100% |
| 10 | 4 | 75% |
| 11 | 4 | 75% |
| 12 | 6 | 67% |
| 13 | 3 | 100% |
| 14 | 6 | 67% |
| 15 | 3 | 100% |
| 16 | 3 | 100% |
| 17 | 4 | 75% |
| 18 | 3 | 100% |
| 19 | 3 | 67% |
| 20 | 2 | 100% |
Fuel types: Petrol (366)
Most common Mg Mgb gt MOT faults
These are the faults and advisories recorded most often across Mg Mgb gt MOT tests:
- Oil leak (135 times)
- Parking brake: efficiency below requirements (3.7.B.7) (119 times)
- Windscreen washer provides insufficient washer liquid (8.2.3) (76 times)
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a) (72 times)
- Oil leak, but not excessive (8.4.1 (a) (i)) (61 times)
- Horn not working (1.6.2a) (58 times)
- Nearside Front wheel bearing has slight play (2.5.A.3c) (57 times)
- Offside Rear Shock absorber has a light misting of oil (2.7.3) (55 times)
- Nearside Rear Shock absorber has a light misting of oil (2.7.3) (53 times)
- Offside Front wheel bearing has slight play (2.5.A.3c) (49 times)
- Brakes imbalanced across an axle (3.7.B.5b) (43 times)
- Offside Front Shock absorber has a light misting of oil (2.7.3) (40 times)
- Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a) (39 times)
- Nearside Front Front wheel bearing has slight play (2.5.A.3c) (39 times)
- Nearside Stop lamp not working (1.2.1b) (39 times)
Mg Mgb gt pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2019 | 1 | 3 | 67% | 1,620 |
| 2016 | 1 | 2 | 100% | 63,564 |
| 2015 | 1 | 1 | 100% | 33,013 |
| 2012 | 1 | 10 | 90% | 39,365 |
| 2007 | 1 | 16 | 56% | 11,174 |
| 2005 | 1 | 9 | 56% | 61,813 |
| 1999 | 1 | 18 | 89% | 24,339 |
| 1997 | 1 | 18 | 78% | 12,459 |
| 1992 | 1 | 17 | 88% | 74,213 |
| 1990 | 1 | 3 | 67% | 48,203 |
| 1983 | 1 | 21 | 95% | 20,275 |
| 1981 | 13 | 144 | 74% | 84,522 |
| 1980 | 16 | 151 | 73% | 77,043 |
| 1979 | 25 | 217 | 72% | 40,817 |
| 1978 | 26 | 255 | 71% | 55,772 |
| 1977 | 20 | 190 | 69% | 50,670 |
| 1976 | 15 | 135 | 76% | 59,414 |
| 1974 | 21 | 267 | 80% | 68,032 |
| 1973 | 29 | 339 | 76% | 45,853 |
| 1972 | 52 | 571 | 76% | 51,324 |
| 1971 | 24 | 259 | 75% | 44,779 |
| 1970 | 23 | 206 | 78% | 48,156 |
| 1969 | 26 | 240 | 72% | 60,233 |
| 1968 | 18 | 229 | 75% | 56,482 |
| 1967 | 16 | 207 | 78% | 102,568 |
| 1966 | 11 | 102 | 79% | 39,857 |
| 1964 | 2 | 15 | 73% | 39,791 |
Mg Mgb gt reliability FAQ
Across 366 Mg Mgb gt vehicles in our MOT data,
75% pass the MOT (a 25% failure rate), with about
1.6 faults or advisories recorded per test.
The most frequently recorded Mg Mgb gt MOT issues are:
Oil leak; Parking brake: efficiency below requirements (3.7.B.7); Windscreen washer provides insufficient washer liquid (8.2.3).
The typical Mg Mgb gt in our data has covered around
57,556 miles.
Compare the Mg Mgb gt
See how the Mg Mgb gt stacks up against other Mg models on MOT reliability:
Check a specific Mg Mgb gt
Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.
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