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Mazda Az3 autozam vs Mazda Mx-5: reliability comparison

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

Mazda Az3 autozam
57%
MOT pass rate · 1 vehicles
Mazda Mx-5
77%
MOT pass rate · 162,634 vehicles
Verdict: On MOT pass rate the Mazda Az3 autozam (57%) and Mazda Mx-5 (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Mazda Az3 autozam Mazda Mx-5
MOT pass rate 57% 77% ✓
MOT failure rate 43% 23% ✓
Faults & advisories per test 2.0 1.8 ✓
Dangerous-fault share 0% ✓ 1%
Average mileage 149,569 mi 90,085 mi
Sample size (vehicles) 1 162,634

Most common faults

Mazda Az3 autozam

  1. Windscreen washer provides insufficient washer liquid (8.2.3)
  2. Nearside Steering rack gaiter split (2.2.D.2d)
  3. Front Brake pad(s) less than 1.5 mm thick (3.5.1g)
  4. Front registration plate letter/figure incomplete (6.3.1c)
  5. Nearside Front position lamp(s) not working (1.1.A.3b)
  6. Offside Front constant velocity joint gaiter split (2.5.C.1a)

Mazda Mx-5

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  3. Front Brake pad(s) wearing thin (3.5.1g)
  4. Rear Brake pad(s) wearing thin (3.5.1g)
  5. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Oil leak, but not excessive (8.4.1 (a) (i))

Reliability FAQ

On MOT pass rate the Mazda Az3 autozam (57%) and Mazda Mx-5 (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mazda Az3 autozam report Full Mazda Mx-5 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.