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MOT reliability

Mg Mgb soft top

2 vehicles · 40 completed MOT tests analysed
68%
MOT pass rate

Based on 2 Mg Mgb soft top vehicles and 40 completed MOT tests, the Mg Mgb soft top has an overall 68% pass rate, with an average recorded mileage of 88,702 miles.

2
Vehicles
40
MOT tests
204
Avg miles / year
1.6
Faults per test
3%
Dangerous-fault share

Mg Mgb soft top problem areas

Where faults occur most across all Mg Mgb soft top MOT tests:

  • Other94%
  • Brakes6%
  • Emissions & nuisance5%
  • Steering3%
  • Body & structure3%
  • Seatbelts & equipment2%

Mg Mgb soft top pass rate by age

Age (years)TestsPass rate

Fuel types: Petrol (2)

Most common Mg Mgb soft top MOT faults

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

  1. Nail in nearside rear tyre (2 times)
  2. Steering column universal joint has slight play (2.1.5) (2 times)
  3. Parking brake: efficiency below requirements (3.7.B.7) (2 times)
  4. various oil leaks on the underside of the vehicle (2 times)
  5. Nearside Rear Suspension spring mounting prescribed area is corroded but not considered excessive (2.4.A.3) (2 times)
  6. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (2 times)
  7. Steering system has excessive free play detected at the steering wheel (steering rack fitted) (2.2.A.1b) (2 times)
  8. front tyres worn on inside edge (2 times)
  9. Offside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a) (2 times)
  10. Offside Rear Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3) (2 times)
  11. Exhaust emissions carbon monoxide content excessive (7.3.B.1a) (2 times)
  12. Exhaust emissions hydrocarbon content excessive (7.3.B.1b) (2 times)
  13. rear inner sills corroded (2 times)
  14. rear inner wheel arches corroded (2 times)
  15. Nearside Front Headlamp not working on main beam (1.7.5a) (1 times)

Mg Mgb soft top pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1978 1 21 62% 94,188
1964 1 19 74% 83,216

Mg Mgb soft top reliability FAQ

Across 2 Mg Mgb soft top vehicles in our MOT data, 68% pass the MOT (a 32% failure rate), with about 1.6 faults or advisories recorded per test.

The most frequently recorded Mg Mgb soft top MOT issues are: Nail in nearside rear tyre; Steering column universal joint has slight play (2.1.5); Parking brake: efficiency below requirements (3.7.B.7).

The typical Mg Mgb soft top in our data has covered around 88,702 miles.

Compare the Mg Mgb soft top

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

Mgb soft top vs Metro Mgb soft top vs B gt Mgb soft top vs Mgf Mgb soft top vs Zs

Check a specific Mg Mgb soft top

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