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Mazda Cx-5 vs Mazda Mx-5: reliability comparison

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

Mazda Cx-5
85%
MOT pass rate · 61,098 vehicles
More reliable
Mazda Mx-5
77%
MOT pass rate · 162,634 vehicles
Verdict: On MOT pass rate, the Mazda Cx-5 is the more reliable of the two — 85% pass first time versus 77%. It's one signal among several; check the full breakdown below.

Head to head

Measure Mazda Cx-5 Mazda Mx-5
MOT pass rate 85% 77%
MOT failure rate 15% 23%
Faults & advisories per test 1.5 1.8
Dangerous-fault share 4% 1%
Average mileage 76,398 mi 90,085 mi
Sample size (vehicles) 61,098 162,634

Most common faults

Mazda Cx-5

  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. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  4. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  5. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
  6. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

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 Cx-5 is the more reliable of the two — 85% pass first time versus 77%. It's one signal among several; check the full breakdown below.

Full Mazda Cx-5 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.