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MOT reliability

Mg Roadster

2,593 vehicles · 17,021 completed MOT tests analysed
80%
MOT pass rate

Based on 2,593 Mg Roadster vehicles and 17,021 completed MOT tests, the Mg Roadster has an overall 80% pass rate, with an average recorded mileage of 45,210 miles.

2,593
Vehicles
17,021
MOT tests
628
Avg miles / year
1.1
Faults per test
1%
Dangerous-fault share

Mg Roadster problem areas

Where faults occur most across all Mg Roadster MOT tests:

  • Other95%
  • Steering7%
  • Emissions & nuisance6%
  • Tyres, wheels & suspension6%
  • Brakes6%
  • Seatbelts & equipment4%
  • Lamps & electrical2%
  • Visibility1%

Mg Roadster pass rate by age

How the Mg Roadster's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
14286%
26379%
35288%
45196%
57686%
67585%
710983%
814783%
916480%
1018779%
1117784%
1221583%
1324882%
1425883%
1531781%
1635780%
1733983%
1834380%
1933281%
2029981%

Fuel types: Petrol (2,576), Other (16), Diesel (1)

Most common Mg Roadster MOT faults

These are the faults and advisories recorded most often across Mg Roadster MOT tests:

  1. Oil leak (433 times)
  2. Parking brake: efficiency below requirements (3.7.B.7) (278 times)
  3. Windscreen washer provides insufficient washer liquid (8.2.3) (255 times)
  4. Oil leak, but not excessive (8.4.1 (a) (i)) (234 times)
  5. Exhaust emissions carbon monoxide content excessive (7.3.B.1a) (231 times)
  6. Horn not working (1.6.2a) (201 times)
  7. Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a) (197 times)
  8. Offside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a) (186 times)
  9. Offside Front wheel bearing has slight play (2.5.A.3c) (163 times)
  10. Nearside Front wheel bearing has slight play (2.5.A.3c) (162 times)
  11. Nearside Rear Shock absorber has a light misting of oil (2.7.3) (162 times)
  12. Brakes imbalanced across an axle (3.7.B.5b) (158 times)
  13. Offside Rear Shock absorber has a light misting of oil (2.7.3) (128 times)
  14. Nearside Front Shock absorber has a light misting of oil (2.7.3) (120 times)
  15. Offside Front Shock absorber has a light misting of oil (2.7.3) (118 times)

Mg Roadster pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2020 1 1 100% 47,567
2019 7 13 77% 33,097
2018 7 15 60% 44,196
2017 2 5 80% 49,147
2016 2 4 75% 804
2015 3 15 100% 38,481
2014 3 20 90% 26,262
2013 5 25 84% 71,670
2012 2 13 77% 79,429
2011 4 13 77% 52,658
2010 2 15 87% 7,047
2009 3 25 72% 33,650
2008 4 33 88% 30,665
2007 4 40 80% 52,056
2006 10 60 90% 37,945
2005 10 133 85% 20,519
2004 9 79 87% 31,395
2003 16 170 84% 39,094
2002 6 68 87% 37,250
2001 15 149 82% 42,502
2000 19 228 79% 36,017
1999 27 286 81% 38,324
1998 42 504 80% 47,127
1997 27 283 84% 46,306
1996 33 359 82% 39,432
1995 27 280 84% 31,170
1994 42 446 83% 39,277
1993 45 479 83% 55,496
1992 45 398 79% 42,330
1991 57 680 77% 46,782
1990 49 495 84% 45,762
1989 24 194 82% 40,447
1988 16 128 80% 60,512
1987 13 112 87% 33,501
1986 8 75 87% 65,804
1985 12 110 77% 33,389
1984 11 82 87% 55,954
1983 17 215 73% 57,717
1982 25 269 81% 64,952
1981 44 475 76% 46,752
1980 35 352 74% 56,124
1979 45 514 76% 54,055
1978 63 636 78% 52,421
1977 51 485 74% 48,448
1976 24 290 75% 53,801
1975 28 227 70% 38,606
1974 39 395 79% 51,668
1973 70 788 82% 48,596
1972 89 1,071 81% 51,419
1971 97 991 81% 40,774
1970 67 732 79% 44,729
1969 62 706 81% 47,172
1968 42 381 81% 42,666
1967 54 644 84% 42,730
1966 39 357 81% 40,666
1965 37 365 86% 36,235
1964 32 349 79% 42,815
1963 22 178 92% 41,271
1962 4 19 74% 9,883
1961 5 51 76% 37,346
1960 11 150 78% 47,966
1959 15 92 86% 42,418
1958 9 42 98% 35,606
1957 7 48 85% 30,004
1956 7 46 80% 20,947
1955 1 2 50% 3
1954 3 20 90% 23,389
1953 2 10 70% 34,161
1952 1 10 60% 26,659
1951 3 10 100% 16,646
1950 2 21 90% 47,453
1949 1 1 100% —
1937 1 1 100% 51,126
1936 1 8 75% 15,970

Mg Roadster reliability FAQ

Across 2,593 Mg Roadster vehicles in our MOT data, 80% pass the MOT (a 20% failure rate), with about 1.1 faults or advisories recorded per test.

The most frequently recorded Mg Roadster 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 Roadster in our data has covered around 45,210 miles.

Compare the Mg Roadster

See how the Mg Roadster stacks up against other Mg models on MOT reliability:

Roadster vs Metro Roadster vs B gt Roadster vs Mgf Roadster vs Zs

Check a specific Mg Roadster

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