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Mazda 3 vs Mazda Mx5 euros: 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 Mx5 euros
56%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Mazda 3 (78%) and Mazda Mx5 euros (56%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mazda 3 Mazda Mx5 euros
MOT pass rate 78% ✓ 56%
MOT failure rate 22% ✓ 44%
Faults & advisories per test 2.0 ✓ 2.7
Dangerous-fault share 3% 0% ✓
Average mileage 90,915 mi 221,004 mi
Sample size (vehicles) 164,058 2

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 Mx5 euros

  1. Rear fog lamp not working (1.3.2b)
  2. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
  5. Offside Front position lamp(s) not working (1.1.A.3b)
  6. Offside Rear brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Reliability FAQ

On MOT pass rate the Mazda 3 (78%) and Mazda Mx5 euros (56%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mazda 3 report Full Mazda Mx5 euros 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.