Audi 1.9 tdi vs Audi A3: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Audi 1.9 tdi
61%
MOT pass rate · 3 vehicles
Audi A3
78%
MOT pass rate · 586,036 vehicles
Verdict: On MOT pass rate the Audi 1.9 tdi (61%) and Audi A3 (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Audi 1.9 tdi | Audi A3 |
|---|---|---|
| MOT pass rate | 61% | 78% ✓ |
| MOT failure rate | 39% | 22% ✓ |
| Faults & advisories per test | 2.8 | 1.8 ✓ |
| Dangerous-fault share | 0% ✓ | 3% |
| Average mileage | 147,628 mi | 112,882 mi |
| Sample size (vehicles) | 3 | 586,036 |
Most common faults
Audi 1.9 tdi
- Nearside Rear Rear wheel bearing has slight play (2.6.2)
- Front Shock absorber has a slightly reduced damping effect (2.7.5)
- Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
- Nearside Front Suspension arm has slight play in a pin/bush (2.4.G.2)
- Offside Front Suspension arm has slight play in a pin/bush (2.4.G.2)
- Offside Rear Brake hose slightly damaged (3.6.B.4d)
Audi A3
- 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))
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- 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)
Reliability FAQ
On MOT pass rate the Audi 1.9 tdi (61%) and Audi A3 (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Audi 1.9 tdi report Full Audi A3 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.