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Audi A1 vs Audi S6 vorsprung tdi mhev quat a: reliability comparison

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

Audi A1
84%
MOT pass rate · 235,482 vehicles
Audi S6 vorsprung tdi mhev quat a
98%
MOT pass rate · 55 vehicles
Verdict: On MOT pass rate the Audi A1 (84%) and Audi S6 vorsprung tdi mhev quat a (98%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Audi A1 Audi S6 vorsprung tdi mhev quat a
MOT pass rate 84% 98% ✓
MOT failure rate 16% 2% ✓
Faults & advisories per test 1.5 0.3 ✓
Dangerous-fault share 5% ✓ 8%
Average mileage 67,791 mi 40,309 mi
Sample size (vehicles) 235,482 55

Most common faults

Audi A1

  1. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
  4. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  5. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Audi S6 vorsprung tdi mhev quat a

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Offside Front Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii))
  6. Rear Registration plate deteriorated but not likely to be misread (0.1 (b))

Reliability FAQ

On MOT pass rate the Audi A1 (84%) and Audi S6 vorsprung tdi mhev quat a (98%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Audi A1 report Full Audi S6 vorsprung tdi mhev quat 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.