Audi 1.9tdi vs Audi A1: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Audi 1.9tdi
93%
MOT pass rate · 1 vehicles
Audi A1
84%
MOT pass rate · 235,482 vehicles
Verdict: On MOT pass rate the Audi 1.9tdi (93%) and Audi A1 (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Audi 1.9tdi | Audi A1 |
|---|---|---|
| MOT pass rate | 93% ✓ | 84% |
| MOT failure rate | 7% ✓ | 16% |
| Faults & advisories per test | 1.5 | 1.5 |
| Dangerous-fault share | 0% ✓ | 5% |
| Average mileage | 190,527 mi | 67,791 mi |
| Sample size (vehicles) | 1 | 235,482 |
Most common faults
Audi 1.9tdi
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Brake hose slightly deteriorated (3.6.B.4d)
- Offside Front Brake hose slightly deteriorated (3.6.B.4d)
- Offside Rear Brake hose slightly deteriorated (3.6.B.4d)
- Nearside Rear Brake pad(s) wearing thin (3.5.1g)
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))
Reliability FAQ
On MOT pass rate the Audi 1.9tdi (93%) and Audi A1 (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Audi 1.9tdi report Full Audi A1 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.