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Mazda Cx5 sel vs Mazda Mx-5: reliability comparison

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

Mazda Cx5 sel
85%
MOT pass rate · 2 vehicles
Mazda Mx-5
77%
MOT pass rate · 162,634 vehicles
Verdict: On MOT pass rate the Mazda Cx5 sel (85%) 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 Cx5 sel Mazda Mx-5
MOT pass rate 85% ✓ 77%
MOT failure rate 15% ✓ 23%
Faults & advisories per test 0.9 ✓ 1.8
Dangerous-fault share 0% ✓ 1%
Average mileage 126,908 mi 90,085 mi
Sample size (vehicles) 2 162,634

Most common faults

Mazda Cx5 sel

  1. Nearside Rear Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
  2. Offside Rear Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))
  3. under trays fitted
  4. All 4 tyres have age related cracks in tread
  5. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  6. rear tyres cracked all around tread pattern

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 Cx5 sel (85%) and Mazda Mx-5 (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Mazda Cx5 sel 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.