Audi A1 vs Audi Sq5 tdi: 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 Sq5 tdi
85%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Audi A1 (84%) and Audi Sq5 tdi (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Audi A1 | Audi Sq5 tdi |
|---|---|---|
| MOT pass rate | 84% | 85% ✓ |
| MOT failure rate | 16% | 15% ✓ |
| Faults & advisories per test | 1.5 ✓ | 1.8 |
| Dangerous-fault share | 5% | 3% ✓ |
| Average mileage | 67,791 mi | 90,846 mi |
| Sample size (vehicles) | 235,482 | 2 |
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 Sq5 tdi
- Nearside Rear Child Seat fitted not allowing full inspection of adult belt
- Front Brake disc worn, but not excessively Both sides fronts lipped on the edges. (1.1.14 (a) (i))
- Offside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))
- Offside Front Position lamp not working (4.2.1 (a) (ii))
- Offside Front Lower Coil spring fractured or broken Broken at the base. (5.3.1 (b) (i))
- Central Lower Exhaust mounting defective Both centre section exhaust clamps corroded. (6.1.2 (a))
Reliability FAQ
On MOT pass rate the Audi A1 (84%) and Audi Sq5 tdi (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Audi A1 report Full Audi Sq5 tdi 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.