Audi 90 vs Audi A3: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Audi 90
65%
MOT pass rate · 4,244 vehicles
Audi A3
78%
MOT pass rate · 586,036 vehicles
More reliable
Verdict: On MOT pass rate, the Audi A3 is the more reliable of the two — 78% pass first time versus 65%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Audi 90 | Audi A3 |
|---|---|---|
| MOT pass rate | 65% | 78% ✓ |
| MOT failure rate | 35% | 22% ✓ |
| Faults & advisories per test | 2.6 | 1.8 ✓ |
| Dangerous-fault share | 0% ✓ | 3% |
| Average mileage | 143,705 mi | 112,882 mi |
| Sample size (vehicles) | 4,244 | 586,036 |
Most common faults
Audi 90
- Parking brake: efficiency below requirements (3.7.B.7)
- Offside Front Macpherson strut has slight movement at the upper attachment (2.5.A.1c)
- 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 Front Macpherson strut has slight movement at the upper attachment (2.5.A.1c)
- Nearside Rear wheel bearing has slight play (2.6.2)
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 A3 is the more reliable of the two — 78% pass first time versus 65%. It's one signal among several; check the full breakdown below.
Full Audi 90 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.