MOT Risk Index.co.uk

The 10 most reliable cars by MOT data

These families fail their MOT less often than their age predicts (index below 100 with the margin of error clear of 100). Computed from DVSA initial tests, calendar 2024. The other end of the table: the worst cars for MOT failure.

  1. Trend from 9.6 to 30.5 BMW 3 Series — index 75.6: fails about 24% less often than expected for its age (24.75% of 675,043 tests found a failing defect).
  2. Trend from 7.2 to 42.9 Audi A3 — index 82.1: fails about 18% less often than expected for its age (23.11% of 654,933 tests found a failing defect).
  3. Trend from 10.0 to 36.9 Mercedes C Class — index 83.6: fails about 16% less often than expected for its age (22.55% of 646,907 tests found a failing defect).
  4. Trend from 4.5 to 39.2 Audi A4 — index 84.6: fails about 15% less often than expected for its age (25.09% of 406,182 tests found a failing defect).
  5. Trend from 10.3 to 9.0 Honda E — index 84.6: fails about 15% less often than expected for its age (9.48% of 2,699 tests found a failing defect).
  6. Trend from 7.6 to 46.8 Honda Jazz — index 85: fails about 15% less often than expected for its age (26.6% of 440,547 tests found a failing defect).
  7. Trend from 7.7 to 40.5 Volkswagen Golf — index 85.1: fails about 15% less often than expected for its age (24.94% of 1,323,641 tests found a failing defect).
  8. Trend from 9.2 to 40.9 MINI Hatch — index 85.5: fails about 15% less often than expected for its age (23.43% of 1,011,919 tests found a failing defect).
  9. Trend from 9.9 to 38.1 Ford Kuga — index 91.3: fails about 9% less often than expected for its age (20.4% of 396,566 tests found a failing defect).
  10. Trend from 8.3 to 45.5 Mercedes A Class — index 91.3: fails about 9% less often than expected for its age (18.83% of 585,107 tests found a failing defect).

A low index is age-adjusted reliability at the test — not a guarantee for any individual car. Full method: methodology · dataset release dvsa-2024-v1 ·national statistics + CSV.