Audi A3 vs Audi T t: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Audi A3
78%
MOT pass rate · 586,036 vehicles
Audi T t
65%
MOT pass rate · 4 vehicles
Verdict: On MOT pass rate the Audi A3 (78%) and Audi T t (65%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Audi A3 | Audi T t |
|---|---|---|
| MOT pass rate | 78% ✓ | 65% |
| MOT failure rate | 22% ✓ | 35% |
| Faults & advisories per test | 1.8 ✓ | 2.4 |
| Dangerous-fault share | 3% | 3% |
| Average mileage | 112,882 mi | 110,527 mi |
| Sample size (vehicles) | 586,036 | 4 |
Most common faults
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)
Audi T t
- Offside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Front Suspension arm pin or bush worn but not resulting in excessive movement both (5.3.4 (a) (i))
- Suspension component corroded but not seriously weakened (5.3.3 (b) (i))
Reliability FAQ
On MOT pass rate the Audi A3 (78%) and Audi T t (65%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Audi A3 report Full Audi T t 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.