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Mg B roaster vs Mg Mgf: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Mg B roaster
64%
MOT pass rate · 2 vehicles
Mg Mgf
67%
MOT pass rate · 41,973 vehicles
Verdict: On MOT pass rate the Mg B roaster (64%) and Mg Mgf (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mg B roaster Mg Mgf
MOT pass rate 64% 67% ✓
MOT failure rate 36% 33% ✓
Faults & advisories per test 2.2 ✓ 2.5
Dangerous-fault share 0% ✓ 1%
Average mileage 86,542 mi 85,206 mi
Sample size (vehicles) 2 41,973

Most common faults

Mg B roaster

  1. Nearside Front Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)
  2. Steering column top bearing slightly worn (2.1.2c)
  3. Offside Registration plate lamp not working (1.1.C.1d)
  4. Fuel pipe/s corroded
  5. Offside rear brake binding (3.7.B.1)
  6. Passenger seat(s) missing at time of test

Mg Mgf

  1. Parking brake: efficiency below requirements (3.7.B.7)
  2. Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)
  3. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Reliability FAQ

On MOT pass rate the Mg B roaster (64%) and Mg Mgf (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mg B roaster report Full Mg Mgf report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.