Audi 100 avant turbo quattro vs Audi A6: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Audi 100 avant turbo quattro
—
MOT pass rate · 68 vehicles
Audi A6
78%
MOT pass rate · 246,602 vehicles
Verdict: On MOT pass rate the Audi 100 avant turbo quattro (0%) and Audi A6 (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Audi 100 avant turbo quattro | Audi A6 |
|---|---|---|
| MOT pass rate | 0% | 78% ✓ |
| MOT failure rate | 0% ✓ | 22% |
| Faults & advisories per test | 0.0 ✓ | 1.7 |
| Dangerous-fault share | — ✓ | 2% |
| Average mileage | — | 136,441 mi |
| Sample size (vehicles) | 68 | 246,602 |
Most common faults
Audi 100 avant turbo quattro
No fault breakdown available.
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)
Reliability FAQ
On MOT pass rate the Audi 100 avant turbo quattro (0%) and Audi A6 (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Audi 100 avant turbo quattro report Full Audi A6 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.