2020 Audi S3 Tfsi Quattro S-A MOT pass rate: 92.2% (1,799 tests)
Is the 2020 S3 Tfsi Quattro S-A getting worse?
Pass rate of 2020-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2023 | 93.8% +3.0 vs same-age |
|
| 2024 | 92.6% +2.6 vs same-age |
|
| 2025 | 90.2% +1.3 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 S3 Tfsi Quattro S-A
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Tyres | 144 | 64.0% |
| 2 | Brakes | 25 | 11.1% |
| 3 | Noise, emissions and leaks | 16 | 7.1% |
| 4 | Identification of the vehicle | 12 | 5.3% |
| 5 | Visibility | 9 | 4.0% |
| 6 | Lamps, reflectors and electrical equipment | 7 | 3.1% |
All S3 Tfsi Quattro S-A years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2020 (this page) | 1,799 | 92.2% | +2.3 pts | 27,036 |
| 2021 | 2,912 | 92.8% | +2.4 pts | 27,360 |
- Free MOT history checkThe exact car’s failures, advisories and mileage trail — sellers can’t edit it
- Topdon OBD2 scannersTopdon diagnostic scanners with full-system readouts
- XTOOL diagnostic toolsXTOOL code readers for petrol and diesel cars
- Autel UK testersAutel professional-grade diagnostic testers
FAQs
Is a 2020 Audi S3 Tfsi Quattro S-A reliable?
2020-registered examples passed 92.2% of their MOT tests (1,799 tests, 2023–2025), +2.3 points versus all UK cars registered in the same year. At roughly 6 years old with a median 27,036 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2020 S3 Tfsi Quattro S-A?
The median tested example shows 27,036 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.