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Mg 1100 vs Mg Mgf: reliability comparison

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

Mg 1100
80%
MOT pass rate · 2,087 vehicles
More reliable
Mg Mgf
67%
MOT pass rate · 41,973 vehicles
Verdict: On MOT pass rate, the Mg 1100 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 1100 Mg Mgf
MOT pass rate 80% 67%
MOT failure rate 20% 33%
Faults & advisories per test 1.4 2.5
Dangerous-fault share 1% 1%
Average mileage 64,563 mi 85,206 mi
Sample size (vehicles) 2,087 41,973

Most common faults

Mg 1100

  1. Parking brake: efficiency below requirements (3.7.B.7)
  2. Horn not working (1.6.2a)
  3. Nearside Rear Subframe mounting prescribed area is excessively corroded (2.4.A.3)
  4. Brakes imbalanced across an axle (3.7.B.5b)
  5. Service brake: efficiency below requirements (3.7.B.7)
  6. Oil leak, but not excessive (8.4.1 (a) (i))

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 1100 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 1100 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.