Skip to content

MOT reliability

Mg Mgb roadstar

6 vehicles · 69 completed MOT tests analysed
74%
MOT pass rate

Based on 6 Mg Mgb roadstar vehicles and 69 completed MOT tests, the Mg Mgb roadstar has an overall 74% pass rate, with an average recorded mileage of 47,220 miles.

6
Vehicles
69
MOT tests
536
Avg miles / year
2.4
Faults per test
1%
Dangerous-fault share

Mg Mgb roadstar problem areas

Where faults occur most across all Mg Mgb roadstar MOT tests:

  • Other96%
  • Emissions & nuisance9%
  • Tyres, wheels & suspension6%
  • Lamps & electrical6%
  • Steering4%
  • Seatbelts & equipment2%
  • Brakes2%
  • Body & structure1%

Mg Mgb roadstar pass rate by age

Age (years)TestsPass rate

Fuel types: Petrol (6)

Most common Mg Mgb roadstar MOT faults

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

  1. Play in steering rack inner joint(s) (6 times)
  2. Oil leak (5 times)
  3. Windscreen washer provides insufficient washer liquid (8.2.3) (5 times)
  4. Parking brake: efficiency below requirements (3.7.B.7) (3 times)
  5. Nearside Front Front wheel bearing has slight play (2.5.A.3c) (3 times)
  6. Exhaust system not adequately supported (7.1.1) (2 times)
  7. Front wheel bearing has slight play (2.5.A.3c) (2 times)
  8. Offside Rear rear parking brake recording little or no effort (3.7.B.6a) (2 times)
  9. Offside Front Front wheel bearing has slight play (2.5.A.3c) (2 times)
  10. Front coil spring corroded (2.4.C.1b) (2 times)
  11. Nearside Front brake disc slightly pitted (3.5.1h) (2 times)
  12. Offside Front Steering rack gaiter deteriorated (2.2.D.2d) (2 times)
  13. Offside Front brake disc slightly pitted (3.5.1h) (2 times)
  14. car been standing (2 times)
  15. car under sealed (2 times)

Mg Mgb roadstar pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1981 1 10 70% 62,066
1980 1 25 72% 76,153
1978 1 9 56% 58,919
1973 1 15 80% 30,758
1972 1 9 89% 24,670
1963 1 1 100% 30,758

Mg Mgb roadstar reliability FAQ

Across 6 Mg Mgb roadstar vehicles in our MOT data, 74% pass the MOT (a 26% failure rate), with about 2.4 faults or advisories recorded per test.

The most frequently recorded Mg Mgb roadstar MOT issues are: Play in steering rack inner joint(s); Oil leak; Windscreen washer provides insufficient washer liquid (8.2.3).

The typical Mg Mgb roadstar in our data has covered around 47,220 miles.

Compare the Mg Mgb roadstar

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


Check a specific Mg Mgb roadstar

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