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Audi A1 vs Audi A5, quattro, s line: 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 A5, quattro, s line
60%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Audi A1 (84%) and Audi A5, quattro, s line (60%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Audi A1 Audi A5, quattro, s line
MOT pass rate 84% ✓ 60%
MOT failure rate 16% ✓ 40%
Faults & advisories per test 1.5 ✓ 1.8
Dangerous-fault share 5% 0% ✓
Average mileage 67,791 mi 102,327 mi
Sample size (vehicles) 235,482 1

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 A5, quattro, s line

  1. Offside Front Anti-roll bar pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))
  2. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  4. Nearside Rear Valve stem slightly damaged slightly perished. (4.1.D.1e)
  5. Nearside Registration plate lamp not working (1.1.C.1d)
  6. Rear registration plate insecure (6.3.1b)

Reliability FAQ

On MOT pass rate the Audi A1 (84%) and Audi A5, quattro, s line (60%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Audi A1 report Full Audi A5, quattro, s line 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.