Skip to content

Mazda 3 vs Mazda Cx-30 gt sport tch ed mhev 4x4: reliability comparison

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

Mazda 3
78%
MOT pass rate · 164,058 vehicles
Mazda Cx-30 gt sport tch ed mhev 4x4
100%
MOT pass rate · 7 vehicles
Verdict: On MOT pass rate the Mazda 3 (78%) and Mazda Cx-30 gt sport tch ed mhev 4x4 (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mazda 3 Mazda Cx-30 gt sport tch ed mhev 4x4
MOT pass rate 78% 100% ✓
MOT failure rate 22% 0% ✓
Faults & advisories per test 2.0 0.5 ✓
Dangerous-fault share 3% 0% ✓
Average mileage 90,915 mi 16,714 mi
Sample size (vehicles) 164,058 7

Most common faults

Mazda 3

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))
  5. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Mazda Cx-30 gt sport tch ed mhev 4x4

  1. Offside Front Shock absorbers has light misting of oil (5.3.2 (b))
  2. Rear Brake disc worn, but not excessively (1.1.14 (a) (i))
  3. Rear Shock absorbers has light misting of oil (5.3.2 (b))
  4. Rear Unable to test rear adult seat belts due to installation of pet seat covers.
  5. Rear Brake disc worn, pitted or scored, but not seriously weakened Both rear discs (1.1.14 (a) (ii))

Reliability FAQ

On MOT pass rate the Mazda 3 (78%) and Mazda Cx-30 gt sport tch ed mhev 4x4 (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mazda 3 report Full Mazda Cx-30 gt sport tch ed mhev 4x4 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.