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Audi A1 vs Audi Q8 e-tron s line 50 quattro: 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 Q8 e-tron s line 50 quattro
88%
MOT pass rate · 686 vehicles
Verdict: On MOT pass rate the Audi A1 (84%) and Audi Q8 e-tron s line 50 quattro (88%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Audi A1 Audi Q8 e-tron s line 50 quattro
MOT pass rate 84% 88% ✓
MOT failure rate 16% 12% ✓
Faults & advisories per test 1.5 0.8 ✓
Dangerous-fault share 5% ✓ 13%
Average mileage 67,791 mi 30,500 mi
Sample size (vehicles) 235,482 686

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 Q8 e-tron s line 50 quattro

  1. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))
  5. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  6. Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Audi A1 (84%) and Audi Q8 e-tron s line 50 quattro (88%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Audi A1 report Full Audi Q8 e-tron s line 50 quattro 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.