Audi A1 vs Audi Tt s-ln blk ed 45 tfsi quat 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 Tt s-ln blk ed 45 tfsi quat sa
94%
MOT pass rate · 158 vehicles
Verdict: On MOT pass rate the Audi A1 (84%) and Audi Tt s-ln blk ed 45 tfsi quat sa (94%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Audi A1 | Audi Tt s-ln blk ed 45 tfsi quat sa |
|---|---|---|
| MOT pass rate | 84% | 94% ✓ |
| MOT failure rate | 16% | 6% ✓ |
| Faults & advisories per test | 1.5 | 0.0 ✓ |
| Dangerous-fault share | 5% | — ✓ |
| Average mileage | 67,791 mi | 38,455 mi |
| Sample size (vehicles) | 235,482 | 158 |
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 Tt s-ln blk ed 45 tfsi quat sa
No fault breakdown available.
Reliability FAQ
On MOT pass rate the Audi A1 (84%) and Audi Tt s-ln blk ed 45 tfsi quat sa (94%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Audi A1 report Full Audi Tt s-ln blk ed 45 tfsi quat 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.