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Mazda Mx-5 vs Mazda Mx-6 v6 abs a: reliability comparison

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

Mazda Mx-5
77%
MOT pass rate · 162,634 vehicles
More reliable
Mazda Mx-6 v6 abs a
64%
MOT pass rate · 307 vehicles
Verdict: On MOT pass rate, the Mazda Mx-5 is the more reliable of the two — 77% pass first time versus 64%. It's one signal among several; check the full breakdown below.

Head to head

Measure Mazda Mx-5 Mazda Mx-6 v6 abs a
MOT pass rate 77% ✓ 64%
MOT failure rate 23% ✓ 36%
Faults & advisories per test 1.8 ✓ 2.8
Dangerous-fault share 1% 0% ✓
Average mileage 90,085 mi 116,439 mi
Sample size (vehicles) 162,634 307

Most common faults

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))

Mazda Mx-6 v6 abs a

  1. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)
  3. Oil leak
  4. Parking brake: efficiency below requirements (3.7.B.7)
  5. Offside Front Brake hose slightly deteriorated (3.6.B.4d)
  6. Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Reliability FAQ

On MOT pass rate, the Mazda Mx-5 is the more reliable of the two — 77% pass first time versus 64%. It's one signal among several; check the full breakdown below.

Full Mazda Mx-5 report Full Mazda Mx-6 v6 abs a 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.