Audi A3 vs Audi Sq5 tdi mhev quattro auto: 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 Sq5 tdi mhev quattro auto
94%
MOT pass rate · 1,381 vehicles
More reliable
Verdict: On MOT pass rate, the Audi Sq5 tdi mhev quattro auto is the more reliable of the two — 94% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Audi A3 | Audi Sq5 tdi mhev quattro auto |
|---|---|---|
| MOT pass rate | 78% | 94% ✓ |
| MOT failure rate | 22% | 6% ✓ |
| Faults & advisories per test | 1.8 | 0.7 ✓ |
| Dangerous-fault share | 3% ✓ | 5% |
| Average mileage | 112,882 mi | 37,040 mi |
| Sample size (vehicles) | 586,036 | 1,381 |
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 Sq5 tdi mhev quattro auto
- Nearside Rear 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))
- Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
Reliability FAQ
On MOT pass rate, the Audi Sq5 tdi mhev quattro auto is the more reliable of the two — 94% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Full Audi A3 report Full Audi Sq5 tdi mhev quattro auto 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.