MOT reliability
Mg Unknown
6,823 vehicles · 752 completed MOT tests analysed
84%
MOT pass rate
Based on 6,823 Mg Unknown vehicles and 752 completed MOT tests, the Mg Unknown has an overall 84% pass rate, with an average recorded mileage of 32,509 miles.
6,823
Vehicles
752
MOT tests
3,356
Avg miles / year
1.1
Faults per test
4%
Dangerous-fault share
Mg Unknown problem areas
Where faults occur most across all Mg Unknown MOT tests:
-
Other36%
-
Tyres, wheels & suspension22%
-
Brakes17%
-
Lamps & electrical10%
-
Emissions & nuisance6%
-
Steering4%
-
Visibility4%
-
Body & structure3%
Mg Unknown pass rate by age
How the Mg Unknown's MOT pass rate changes as it ages (buckets with 20+ tests).
| Age (years) | Tests | Pass rate |
|---|---|---|
| 1 | 16 | 88% |
| 2 | 22 | 91% |
| 3 | 61 | 89% |
| 4 | 42 | 83% |
| 5 | 46 | 89% |
| 6 | 50 | 84% |
| 7 | 34 | 79% |
| 8 | 20 | 90% |
| 9 | 12 | 83% |
| 10 | 8 | 100% |
| 11 | 6 | 67% |
| 14 | 2 | 50% |
| 15 | 2 | 50% |
| 16 | 1 | 100% |
| 18 | 2 | 50% |
| 19 | 1 | 100% |
Fuel types: Petrol (6,632), Electric (88), Diesel (54), Hybrid Electric (Clean) (35), Other (11), Fuel Cells (1), LPG (1), Steam (1)
Most common Mg Unknown MOT faults
These are the faults and advisories recorded most often across Mg Unknown MOT tests:
- Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i)) (13 times)
- Oil leak, but not excessive (8.4.1 (a) (i)) (13 times)
- Nearside Front Wheel bearing has slight play (5.1.3 (a) (i)) (9 times)
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (7 times)
- Parking brake: efficiency below requirements (3.7.B.7) (6 times)
- Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) (6 times)
- Parking brake efficiency below requirements (1.4.2 (a) (i)) (6 times)
- Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (6 times)
- Offside Rear Wheel bearing has slight play (5.1.3 (a) (i)) (5 times)
- Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (5 times)
- Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i)) (5 times)
- Oil leak (5 times)
- Offside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (5 times)
- Rear Brakes imbalanced across an axle Axle 2 (3.7.B.5b) (5 times)
- Windscreen washer not working (3.5 (a)) (5 times)
Mg Unknown pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 2023 | 3 | 3 | 100% | 8,960 |
| 2022 | 5 | 5 | 100% | 16,045 |
| 2021 | 4 | 7 | 86% | 17,184 |
| 2020 | 2 | 4 | 100% | 18,842 |
| 2019 | 28 | 93 | 89% | 25,069 |
| 2018 | 9 | 41 | 78% | 32,379 |
| 2017 | 6 | 23 | 83% | 43,637 |
| 2016 | 13 | 38 | 79% | 35,575 |
| 2015 | 23 | 83 | 88% | 43,871 |
| 2014 | 12 | 30 | 83% | 32,381 |
| 2013 | 1 | 1 | 100% | 53,220 |
| 2012 | 1 | 1 | 100% | 26,885 |
| 2003 | 1 | 5 | 60% | 94,071 |
| 2002 | 1 | 1 | 100% | 2,615 |
| 2000 | 1 | 3 | 67% | 50,625 |
| 1999 | 1 | 1 | 0% | — |
| 1995 | 1 | 8 | 88% | 82,072 |
| 1994 | 1 | 4 | 75% | 39,408 |
| 1993 | 2 | 11 | 100% | 24,715 |
| 1991 | 2 | 2 | 100% | 194 |
| 1990 | 1 | 1 | 100% | 86,978 |
| 1989 | 2 | 3 | 67% | 2,160 |
| 1988 | 2 | 6 | 83% | 74,072 |
| 1985 | 1 | 3 | 100% | — |
| 1984 | 2 | 3 | 67% | 24,138 |
| 1982 | 1 | 5 | 100% | 1,721 |
| 1981 | 1 | 1 | 100% | 1,664 |
| 1980 | 3 | 5 | 60% | 35,775 |
| 1979 | 2 | 7 | 71% | 13,064 |
| 1978 | 1 | 1 | 100% | 68,677 |
| 1977 | 2 | 3 | 100% | 51,345 |
| 1976 | 2 | 3 | 67% | 66,822 |
| 1974 | 2 | 4 | 75% | 39,729 |
| 1973 | 4 | 6 | 83% | 46,567 |
| 1972 | 13 | 27 | 74% | 49,111 |
| 1971 | 6 | 15 | 80% | 36,272 |
| 1970 | 4 | 8 | 75% | 43,103 |
| 1969 | 5 | 8 | 88% | 38,688 |
| 1968 | 13 | 35 | 74% | 51,044 |
| 1967 | 3 | 7 | 71% | 13,043 |
| 1966 | 3 | 11 | 82% | 57,737 |
| 1965 | 3 | 3 | 100% | 21,487 |
| 1964 | 2 | 2 | 100% | 24,522 |
| 1963 | 1 | 1 | 100% | 68,521 |
| 1962 | 3 | 9 | 89% | 20,747 |
| 1961 | 4 | 6 | 67% | 20,817 |
| 1960 | 10 | 14 | 86% | 29,552 |
| 1959 | 8 | 23 | 83% | 33,031 |
| 1958 | 5 | 9 | 89% | 25,152 |
| 1957 | 8 | 11 | 100% | 5,745 |
| 1956 | 7 | 15 | 87% | 48,920 |
| 1955 | 1 | 2 | 50% | 86,178 |
| 1954 | 3 | 4 | 100% | 20,842 |
| 1953 | 13 | 15 | 93% | 41,252 |
| 1952 | 9 | 19 | 84% | 44,273 |
| 1951 | 5 | 8 | 75% | 38,927 |
| 1950 | 2 | 6 | 100% | 61,507 |
| 1949 | 8 | 11 | 100% | 14,079 |
| 1948 | 4 | 6 | 67% | 8,568 |
| 1947 | 9 | 15 | 80% | 4,544 |
| 1946 | 1 | 1 | 100% | 286 |
| 1939 | 3 | 6 | 83% | 29,900 |
| 1938 | 3 | 4 | 75% | 36,340 |
| 1937 | 2 | 2 | 100% | 508 |
| 1936 | 2 | 2 | 100% | 14 |
| 1935 | 3 | 5 | 100% | 2,657 |
| 1934 | 2 | 2 | 100% | 4 |
| 1933 | 4 | 5 | 100% | 22,987 |
| 1932 | 3 | 3 | 100% | 7,002 |
| 1930 | 1 | 1 | 100% | 8,133 |
| 1923 | 1 | 2 | 100% | 61,917 |
Mg Unknown reliability FAQ
Across 6,823 Mg Unknown vehicles in our MOT data,
84% pass the MOT (a 16% failure rate), with about
1.1 faults or advisories recorded per test.
The most frequently recorded Mg Unknown MOT issues are:
Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i)); Oil leak, but not excessive (8.4.1 (a) (i)); Nearside Front Wheel bearing has slight play (5.1.3 (a) (i)).
The typical Mg Unknown in our data has covered around
32,509 miles.
Compare the Mg Unknown
See how the Mg Unknown stacks up against other Mg models on MOT reliability:
Check a specific Mg Unknown
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