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Mg Cdti vs Mg Mgf: reliability comparison

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

Mg Cdti
75%
MOT pass rate · 1 vehicles
Mg Mgf
67%
MOT pass rate · 41,973 vehicles
Verdict: On MOT pass rate the Mg Cdti (75%) 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 Cdti Mg Mgf
MOT pass rate 75% ✓ 67%
MOT failure rate 25% ✓ 33%
Faults & advisories per test 2.3 ✓ 2.5
Dangerous-fault share 0% ✓ 1%
Average mileage 138,616 mi 85,206 mi
Sample size (vehicles) 1 41,973

Most common faults

Mg Cdti

  1. Nearside Brake pipe slightly corroded (3.6.B.2c)
  2. Nearside Front Brake pipe slightly corroded (3.6.B.2c)
  3. Offside Brake pipe slightly corroded (3.6.B.2c)
  4. Nearside Ball joint has slight play steering arm inner ball joint (2.2.B.1f)
  5. Offside Front Lower Suspension arm has slight play in a ball joint inner ball joint (2.4.G.2)
  6. Rear Brake pipe slightly corroded both front to rear (3.6.B.2c)

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 Cdti (75%) and Mg Mgf (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mg Cdti 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.