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Mg Mgf vs Mg Zt 120: 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 Zt 120
82%
MOT pass rate · 33 vehicles
Verdict: On MOT pass rate the Mg Mgf (67%) and Mg Zt 120 (82%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mg Mgf Mg Zt 120
MOT pass rate 67% 82% ✓
MOT failure rate 33% 18% ✓
Faults & advisories per test 2.5 0.6 ✓
Dangerous-fault share 1% 0% ✓
Average mileage 85,206 mi 67,589 mi
Sample size (vehicles) 41,973 33

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 Zt 120

  1. Offside Front Road wheel with a slightly distorted bead rim (4.2.A.1a)
  2. Rear Brake pad(s) less than 1.5 mm thick (3.5.1g)
  3. Front Exhaust has a minor leak of exhaust gases (7.1.2)
  4. Power steering pipe(s) or hose(s) has slight seepage (2.3.3b)
  5. Offside Front Brake pad(s) wearing thin (3.5.1g)
  6. Parking brake lever has no reserve travel (3.1.6b)

Reliability FAQ

On MOT pass rate the Mg Mgf (67%) and Mg Zt 120 (82%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mg Mgf report Full Mg Zt 120 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.