Skip to content

MOT reliability

Mg Roadster b

4 vehicles · 27 completed MOT tests analysed
81%
MOT pass rate

Based on 4 Mg Roadster b vehicles and 27 completed MOT tests, the Mg Roadster b has an overall 81% pass rate, with an average recorded mileage of 35,750 miles.

4
Vehicles
27
MOT tests
1,052
Avg miles / year
1.1
Faults per test
0%
Dangerous-fault share

Mg Roadster b problem areas

Where faults occur most across all Mg Roadster b MOT tests:

  • Other68%
  • Brakes29%
  • Emissions & nuisance6%
  • Visibility3%

Mg Roadster b pass rate by age

Age (years)TestsPass rate

Fuel types: Petrol (3), Other (1)

Most common Mg Roadster b MOT faults

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

  1. Nearside Front Wheel fitment has slight wear between wheel and hub spigot mounting (4.2.B.5) (4 times)
  2. Offside Front Wheel fitment has slight wear between wheel and hub spigot mounting (4.2.B.5) (4 times)
  3. Rear Brakes imbalanced across an axle Axle 2 (3.7.B.5b) (2 times)
  4. Windscreen washer provides insufficient washer liquid (8.2.3) (2 times)
  5. Exhaust emissions carbon monoxide content excessive (7.3.B.1a) (2 times)
  6. Oil leak (2 times)
  7. Front Brake pipe corroded, covered in grease or other material to rear (1.1.11 (c)) (2 times)
  8. Nearside Headlamp aim too low and too far to the left. (1.8) (1 times)
  9. Offside Headlamp aim too low and too far to the left. (1.8) (1 times)
  10. Parking brake: efficiency below requirements (3.7.B.7) (1 times)
  11. Service brake: efficiency below requirements (3.7.B.7) (1 times)
  12. Nearside Front position lamp(s) not working (1.1.A.3b) (1 times)
  13. Offside Front position lamp(s) not working (1.1.A.3b) (1 times)
  14. Battery insecure (1.9.1) (1 times)
  15. Nearside Front Wheel hub spigot mounting excessively worn (4.2.B.5) (1 times)

Mg Roadster b pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1978 1 16 69% 29,984
1967 2 9 100% 35,767

Mg Roadster b reliability FAQ

Across 4 Mg Roadster b vehicles in our MOT data, 81% pass the MOT (a 19% failure rate), with about 1.1 faults or advisories recorded per test.

The most frequently recorded Mg Roadster b MOT issues are: Nearside Front Wheel fitment has slight wear between wheel and hub spigot mounting (4.2.B.5); Offside Front Wheel fitment has slight wear between wheel and hub spigot mounting (4.2.B.5); Rear Brakes imbalanced across an axle Axle 2 (3.7.B.5b).

The typical Mg Roadster b in our data has covered around 35,750 miles.

Compare the Mg Roadster b

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

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

Check a specific Mg Roadster b

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