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Mg Express vs Mg Zs: reliability comparison

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

Mg Express
74%
MOT pass rate · 45 vehicles
Mg Zs
74%
MOT pass rate · 38,862 vehicles
Verdict: On MOT pass rate the Mg Express (74%) 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 Express Mg Zs
MOT pass rate 74% 74%
MOT failure rate 26% 26%
Faults & advisories per test 1.4 ✓ 1.8
Dangerous-fault share 1% 1%
Average mileage 94,720 mi 71,653 mi
Sample size (vehicles) 45 38,862

Most common faults

Mg Express

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)
  3. Oil leak, but not excessive (8.4.1 (a) (i))
  4. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Oil leak
  6. Offside Rear Tyre worn close to the legal limit (4.1.E.1)

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 Express (74%) and Mg Zs (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mg Express 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.