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Mg Mgf vs Mg Roadster sports: reliability comparison

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

Mg Mgf
67%
MOT pass rate · 41,973 vehicles
Mg Roadster sports
100%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mg Mgf (67%) and Mg Roadster sports (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mg Mgf Mg Roadster sports
MOT pass rate 67% 100% ✓
MOT failure rate 33% 0% ✓
Faults & advisories per test 2.5 0.6 ✓
Dangerous-fault share 1% 0% ✓
Average mileage 85,206 mi 96,564 mi
Sample size (vehicles) 41,973 1

Most common faults

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)

Mg Roadster sports

  1. nearside front side light / indicator lens missing
  2. nearside rear brake slightly binding when raised and rotated
  3. offside front brake slightly binding when raised and rotated
  4. slight inbalance between offside and nearside braking
  5. slight play in nearside track rod knuckle at steering rack
  6. Tyre worn close to the legal limit (4.1.E.1)

Reliability FAQ

On MOT pass rate the Mg Mgf (67%) and Mg Roadster sports (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mg Mgf report Full Mg Roadster sports 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.