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Mg Td roadster vs Mg Zs: reliability comparison

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

Mg Td roadster
79%
MOT pass rate · 2 vehicles
Mg Zs
74%
MOT pass rate · 38,862 vehicles
Verdict: On MOT pass rate the Mg Td roadster (79%) 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 Td roadster Mg Zs
MOT pass rate 79% ✓ 74%
MOT failure rate 21% ✓ 26%
Faults & advisories per test 1.4 ✓ 1.8
Dangerous-fault share 0% ✓ 1%
Average mileage 78,304 mi 71,653 mi
Sample size (vehicles) 2 38,862

Most common faults

Mg Td roadster

  1. Exhaust has a minor leak of exhaust gases (7.1.2)
  2. Oil leak
  3. nearside rear tyre tread slightly cracked/perished
  4. offside front brake lightly binding
  5. Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
  6. Offside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)

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 Td roadster (79%) and Mg Zs (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mg Td roadster 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.