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Mg B 1.8 vs Mg B gt: reliability comparison

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

Mg B 1.8
79%
MOT pass rate · 3 vehicles
Mg B gt
75%
MOT pass rate · 47,800 vehicles
Verdict: On MOT pass rate the Mg B 1.8 (79%) and Mg B gt (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mg B 1.8 Mg B gt
MOT pass rate 79% 75%
MOT failure rate 21% 25%
Faults & advisories per test 1.2 1.7
Dangerous-fault share 0% 0%
Average mileage 40,425 mi 56,621 mi
Sample size (vehicles) 3 47,800

Most common faults

Mg B 1.8

  1. Nearside Front Shock absorber has a light misting of oil (2.7.3)
  2. Offside Front Shock absorber has a light misting of oil (2.7.3)
  3. Oil leak
  4. engine oil leaks
  5. Nearside Front Shock absorber has a slightly reduced damping effect (2.7.5)
  6. Nearside Front Upper Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)

Mg B gt

  1. Oil leak
  2. Parking brake: efficiency below requirements (3.7.B.7)
  3. Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
  4. Windscreen washer provides insufficient washer liquid (8.2.3)
  5. Horn not working (1.6.2a)
  6. Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)

Reliability FAQ

On MOT pass rate the Mg B 1.8 (79%) and Mg B gt (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mg B 1.8 report Full Mg B gt 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.