2020 Audi A5 S Line 35 TDI Mhev S-A MOT pass rate: 88.9% (2,720 tests)
Is the 2020 A5 S Line 35 TDI Mhev S-A getting worse?
Pass rate of 2020-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2023 | 90.4% -0.4 vs same-age |
|
| 2024 | 88.1% -1.8 vs same-age |
|
| 2025 | 88.1% -0.9 vs same-age |
The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.
What fails on a 2020 A5 S Line 35 TDI Mhev S-A
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Tyres | 271 | 53.6% |
| 2 | Suspension | 47 | 9.3% |
| 3 | Brakes | 46 | 9.1% |
| 4 | Visibility | 32 | 6.3% |
| 5 | Lamps, reflectors and electrical equipment | 23 | 4.5% |
| 6 | Noise, emissions and leaks | 23 | 4.5% |
All A5 S Line 35 TDI Mhev S-A years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2020 (this page) | 2,720 | 88.9% | -1.0 pts | 34,382 |
| 2021 | 2,595 | 88.7% | -1.7 pts | 34,509 |
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FAQs
Is a 2020 Audi A5 S Line 35 TDI Mhev S-A reliable?
2020-registered examples passed 88.9% of their MOT tests (2,720 tests, 2023–2025), -1.0 points versus all UK cars registered in the same year. At roughly 6 years old with a median 34,382 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2020 A5 S Line 35 TDI Mhev S-A?
The median tested example shows 34,382 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.
Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.