AUDI A8 MOT Pass Rate
90.8% of 5,332 AUDI A8 MOT tests pass.
The A8 passes its MOT 90.8% of the time — well above the average across all AUDI models, which sits at 83.6%.
The AUDI A8 passes its MOT 90.8% of the time — well above the national average for cars, which sits at 78.3%.
Pass rate by vehicle age
Pass rate declines noticeably with age, from 97.4% at 3–6 years to 86.0% at 15+ years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | too few tests (4) | 4 | no reading |
| 3–6 years | 97.4% | 644 | 55,286 miles |
| 6–10 years | 92.6% | 1,742 | 77,844 miles |
| 10–15 years | 89.9% | 1,654 | 113,176 miles |
| 15+ years | 86.0% | 1,288 | 142,711 miles |
Common MOT failure reasons for the AUDI A8
The most common reason the AUDI A8 fails its MOT is tyres — present in 34.9% of failed tests, most often logged as "tread depth below requirements of 1.6mm".
| Category | Share of failed tests | Example |
|---|---|---|
| Tyres | 34.9% | tread depth below requirements of 1.6mm |
| Lamps, reflectors and electrical equipment | 31.8% | too high |
| Brakes | 25.7% | less than 1.5 mm thick |
| Suspension | 24.5% | pin or bush excessively worn |
| Visibility | 14.5% | does not clear the windscreen effectively |
| Noise, emissions and leaks | 11.0% | inoperative or indicates a malfunction |
| Body, chassis, structure | 6.3% | constant velocity boot split or insecure, no longer prevents the ingress of dirt |
| Identification of the vehicle | 3.4% | does not conform to the specified requirements |
| Seat belts and supplementary restraint systems | 2.1% | warning lamp indicates a fault |
| Steering | 1.9% | ball joint has excessive play |