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Mg Mgb mk11 vs Mg Zs: reliability comparison

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

Mg Mgb mk11
88%
MOT pass rate · 1 vehicles
Mg Zs
74%
MOT pass rate · 38,862 vehicles
Verdict: On MOT pass rate the Mg Mgb mk11 (88%) and Mg Zs (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mg Mgb mk11 Mg Zs
MOT pass rate 88% ✓ 74%
MOT failure rate 12% ✓ 26%
Faults & advisories per test 0.6 ✓ 1.8
Dangerous-fault share 0% ✓ 1%
Average mileage 59,353 mi 71,653 mi
Sample size (vehicles) 1 38,862

Most common faults

Mg Mgb mk11

  1. Nearside Rear Brake pipe slightly corroded (3.6.B.2c)
  2. both front wheel bearings slightly noisey
  3. Nearside Front Brake hose slightly chafed (3.6.B.4d)
  4. Nearside Rear Stop lamp not working (1.2.1b)
  5. Offside Front Steering rack gaiter split (2.2.D.2d)
  6. Offside Rear Stop lamp not working (1.2.1b)

Mg Zs

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Parking brake: efficiency below requirements (3.7.B.7)
  4. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Mg Mgb mk11 (88%) and Mg Zs (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mg Mgb mk11 report Full Mg Zs 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.