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Mg B gt v8 vs Mg Mgf: reliability comparison

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

Mg B gt v8
80%
MOT pass rate · 1,671 vehicles
More reliable
Mg Mgf
67%
MOT pass rate · 41,973 vehicles
Verdict: On MOT pass rate, the Mg B gt v8 is the more reliable of the two — 80% pass first time versus 67%. It's one signal among several; check the full breakdown below.

Head to head

Measure Mg B gt v8 Mg Mgf
MOT pass rate 80% ✓ 67%
MOT failure rate 20% ✓ 33%
Faults & advisories per test 1.2 ✓ 2.5
Dangerous-fault share 0% ✓ 1%
Average mileage 58,575 mi 85,206 mi
Sample size (vehicles) 1,671 41,973

Most common faults

Mg B gt v8

  1. Oil leak
  2. Parking brake: efficiency below requirements (3.7.B.7)
  3. Horn not working (1.6.2a)
  4. Oil leak, but not excessive (8.4.1 (a) (i))
  5. Windscreen washer provides insufficient washer liquid (8.2.3)
  6. Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)

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 gt v8 is the more reliable of the two — 80% pass first time versus 67%. It's one signal among several; check the full breakdown below.

Full Mg B gt v8 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.