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Audi A6 vs Audi Rs 5 vorsprung tfsi quattro a: 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 Rs 5 vorsprung tfsi quattro a
89%
MOT pass rate · 140 vehicles
Verdict: On MOT pass rate the Audi A6 (78%) and Audi Rs 5 vorsprung tfsi quattro a (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Audi A6 Audi Rs 5 vorsprung tfsi quattro a
MOT pass rate 78% 89% ✓
MOT failure rate 22% 11% ✓
Faults & advisories per test 1.7 0.7 ✓
Dangerous-fault share 2% ✓ 8%
Average mileage 136,441 mi 28,752 mi
Sample size (vehicles) 246,602 140

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 Rs 5 vorsprung tfsi quattro a

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Offside Front Shock absorbers has light misting of oil (5.3.2 (b))
  5. Nearside Rear Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))
  6. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Audi A6 (78%) and Audi Rs 5 vorsprung tfsi quattro a (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Audi A6 report Full Audi Rs 5 vorsprung tfsi quattro 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.