Skip to content

Mg Mgb sport vs Mg Mgf: reliability comparison

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

Mg Mgb sport
68%
MOT pass rate · 9 vehicles
Mg Mgf
67%
MOT pass rate · 41,973 vehicles
Verdict: On MOT pass rate the Mg Mgb sport (68%) 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 Mgb sport Mg Mgf
MOT pass rate 68% ✓ 67%
MOT failure rate 32% ✓ 33%
Faults & advisories per test 2.3 ✓ 2.5
Dangerous-fault share 0% ✓ 1%
Average mileage 51,332 mi 85,206 mi
Sample size (vehicles) 9 41,973

Most common faults

Mg Mgb sport

  1. Oil leak
  2. Oil leak, but not excessive (8.4.1 (a) (i))
  3. Play in steering rack inner joint(s)
  4. Nearside Front wheel bearing has slight play (2.5.A.3c)
  5. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Nearside Rear wheel bearing has slight play (2.6.2)

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 Mgb sport (68%) and Mg Mgf (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mg Mgb sport 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.