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Mg Mg gbt vs Mg Zs: reliability comparison

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

Mg Mg gbt
67%
MOT pass rate · 1 vehicles
Mg Zs
74%
MOT pass rate · 38,862 vehicles
Verdict: On MOT pass rate the Mg Mg gbt (67%) 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 Mg gbt Mg Zs
MOT pass rate 67% 74% ✓
MOT failure rate 33% 26% ✓
Faults & advisories per test 1.8 1.8
Dangerous-fault share 0% ✓ 1%
Average mileage 5,600 mi 71,653 mi
Sample size (vehicles) 1 38,862

Most common faults

Mg Mg gbt

  1. Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.5b)
  2. Nearside Rear rear brake binding (3.7.B.1)
  3. Offside Inner Front Upper Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)
  4. Offside Outer Front Lower Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
  5. Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)
  6. Service brake: efficiency below requirements (3.7.B.7)

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 Mg gbt (67%) and Mg Zs (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mg Mg gbt 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.