2021 Audi A4 S Line 40 Tdi Mhev Quat Sa — MOT History by Age
How cars manufactured in 2021 perform at MOT as they age
Data from official DVSA MOT testing records
Compared to Average at Age 3
✅ 7.2% above average (25474 models compared)
How This Car Ages
Pass Rate Trend
Year-by-Year MOT Results
Common MOT Failures
Top failure categories across all test years for 2021 Audi A4 S Line 40 Tdi Mhev Quat Sa, with age trends.
How Failures Change With Age
Comparing failure rates between the youngest and oldest test years.
| Category | At Youngest | At Oldest | Change | Trend |
|---|---|---|---|---|
| Tyres | 29.1% (3 yrs) | 29.1% (3 yrs) | 0.0%
| ⚪ — |
| Suspension | 3.6% (3 yrs) | 3.6% (3 yrs) | 0.0%
| ⚪ — |
| Non-component advisories | 1.8% (3 yrs) | 1.8% (3 yrs) | 0.0%
| ⚪ — |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Audi A4 S Line 40 Tdi Mhev Quat Sa page →
About This Data
This page shows how Audi A4 S Line 40 Tdi Mhev Quat Sa cars manufactured in 2021 perform at MOT as they age. Data spans from 2024 to 2024, covering 55 tests. Pass rates naturally decline with age as components wear.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.