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Audi A6 vs Audi Coupe s2 4wd turbo: reliability comparison

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

Audi A6
78%
MOT pass rate · 246,602 vehicles
Audi Coupe s2 4wd turbo
68%
MOT pass rate · 217 vehicles
Verdict: On MOT pass rate the Audi A6 (78%) and Audi Coupe s2 4wd turbo (68%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Audi A6 Audi Coupe s2 4wd turbo
MOT pass rate 78% ✓ 68%
MOT failure rate 22% ✓ 32%
Faults & advisories per test 1.7 1.0 ✓
Dangerous-fault share 2% 0% ✓
Average mileage 136,441 mi 118,650 mi
Sample size (vehicles) 246,602 217

Most common faults

Audi A6

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Audi Coupe s2 4wd turbo

  1. Front Inner Brake disc worn, pitted or scored, but not seriously weakened both (1.1.14 (a) (ii))
  2. General corrosion underside of the vehicle
  3. Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))
  4. Offside Front Upper Anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt (5.3.4 (b) (ii))
  5. Front Service brake fluctuating, but not excessively (1.2.1 (e))
  6. Nearside Front Headlamp aim too low (4.1.2 (a))

Reliability FAQ

On MOT pass rate the Audi A6 (78%) and Audi Coupe s2 4wd turbo (68%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Audi A6 report Full Audi Coupe s2 4wd turbo 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.