Audi A6 vs Audi A6 s line black edition tdi: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Audi A6
78%
MOT pass rate · 246,602 vehicles
Audi A6 s line black edition tdi
90%
MOT pass rate · 230 vehicles
More reliable
Verdict: On MOT pass rate, the Audi A6 s line black edition tdi is the more reliable of the two — 90% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Audi A6 | Audi A6 s line black edition tdi |
|---|---|---|
| MOT pass rate | 78% | 90% ✓ |
| MOT failure rate | 22% | 10% ✓ |
| Faults & advisories per test | 1.7 | 0.0 ✓ |
| Dangerous-fault share | 2% | — ✓ |
| Average mileage | 136,441 mi | 129,136 mi |
| Sample size (vehicles) | 246,602 | 230 |
Most common faults
Audi A6
- 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 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))
- 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 A6 s line black edition tdi
No fault breakdown available.
Reliability FAQ
On MOT pass rate, the Audi A6 s line black edition tdi is the more reliable of the two — 90% pass first time versus 78%. It's one signal among several; check the full breakdown below.
Full Audi A6 report Full Audi A6 s line black edition 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.