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MOT reliability

Mg Mgb-b

1 vehicles · 6 completed MOT tests analysed
50%
MOT pass rate

Based on 1 Mg Mgb-b vehicles and 6 completed MOT tests, the Mg Mgb-b has an overall 50% pass rate, with an average recorded mileage of 62,104 miles.

1
Vehicles
6
MOT tests
11
Avg miles / year
7.3
Faults per test
0%
Dangerous-fault share

Mg Mgb-b problem areas

Where faults occur most across all Mg Mgb-b MOT tests:

  • Other95%
  • Tyres, wheels & suspension7%
  • Steering2%
  • Brakes2%
  • Seatbelts & equipment2%

Fuel types: Petrol (1)

Most common Mg Mgb-b MOT faults

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

  1. Nearside Front coil spring corroded (2.4.C.1b) (2 times)
  2. Offside Front Brake hose slightly chafed (3.6.B.4d) (2 times)
  3. Offside Front coil spring worn (2.4.C.1b) (2 times)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (2 times)
  5. clutch fluid hose chafed (2 times)
  6. underbody rusty (2 times)
  7. Front Sub-frame corroded but not seriously weakened (2.4.G.1) (2 times)
  8. Front coil spring corroded offside & nearside (2.4.C.1b) (2 times)
  9. Offside Rear Seat belt anchorage prescribed area is corroded but not considered excessive (5.2.6) (2 times)
  10. Rear Leaf spring splayed but action not impaired offside & nearside (2.4.B.1c) (2 times)
  11. Rear Suspension spring mounting prescribed area is corroded but not considered excessive offside & nearside (2.4.A.3) (2 times)
  12. Steering system slightly rough (2.2.D.1) (2 times)
  13. Suspension component mounting prescribed area is corroded but not considered excessive front & rear (2.4.A.3) (2 times)
  14. Vehicle structure has slight corrosion front & rear (6.1.A.1) (2 times)
  15. Exhaust engine idle speed too high (7.3.A.2a) (1 times)

Mg Mgb-b pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1976 1 6 50% 62,104

Mg Mgb-b reliability FAQ

Across 1 Mg Mgb-b vehicles in our MOT data, 50% pass the MOT (a 50% failure rate), with about 7.3 faults or advisories recorded per test.

The most frequently recorded Mg Mgb-b MOT issues are: Nearside Front coil spring corroded (2.4.C.1b); Offside Front Brake hose slightly chafed (3.6.B.4d); Offside Front coil spring worn (2.4.C.1b).

The typical Mg Mgb-b in our data has covered around 62,104 miles.

Compare the Mg Mgb-b

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

Mgb-b vs Metro Mgb-b vs B gt Mgb-b vs Mgf Mgb-b vs Zs

Check a specific Mg Mgb-b

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See all Mg models · Learn about common MOT failures · what an MOT checks