Audi A1 vs Audi A3 s line black ed 35 tdi 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 A3 s line black ed 35 tdi sa
93%
MOT pass rate · 822 vehicles
Verdict: On MOT pass rate the Audi A1 (84%) and Audi A3 s line black ed 35 tdi sa (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Audi A1 | Audi A3 s line black ed 35 tdi sa |
|---|---|---|
| MOT pass rate | 84% | 93% ✓ |
| MOT failure rate | 16% | 7% ✓ |
| Faults & advisories per test | 1.5 | 0.3 ✓ |
| Dangerous-fault share | 5% | 0% ✓ |
| Average mileage | 67,791 mi | 23,733 mi |
| Sample size (vehicles) | 235,482 | 822 |
Most common faults
Audi A1
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Audi A3 s line black ed 35 tdi sa
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Offside Front Inner Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))
Reliability FAQ
On MOT pass rate the Audi A1 (84%) and Audi A3 s line black ed 35 tdi sa (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Audi A1 report Full Audi A3 s line black ed 35 tdi 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.