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Audi A1 vs Audi A6 s ln v-sprng 50 tdi quat sa: 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 A6 s ln v-sprng 50 tdi quat sa
80%
MOT pass rate · 9 vehicles
Verdict: On MOT pass rate the Audi A1 (84%) and Audi A6 s ln v-sprng 50 tdi quat sa (80%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Audi A1 Audi A6 s ln v-sprng 50 tdi quat sa
MOT pass rate 84% ✓ 80%
MOT failure rate 16% ✓ 20%
Faults & advisories per test 1.5 1.3 ✓
Dangerous-fault share 5% ✓ 12%
Average mileage 67,791 mi 61,211 mi
Sample size (vehicles) 235,482 9

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 A6 s ln v-sprng 50 tdi quat sa

  1. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Central Front Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))
  4. Rear Registration plate deteriorated but not likely to be misread (0.1 (b))
  5. Front Windscreen wiper blade defective (3.4 (b) (i))
  6. Nearside Rear Tyre worn close to legal limit/worn on edge close to wear indicators (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Audi A1 (84%) and Audi A6 s ln v-sprng 50 tdi quat sa (80%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Audi A1 report Full Audi A6 s ln v-sprng 50 tdi quat sa 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.