What year Audi A3 S Line Comp 45 TFSI E SA is most reliable?

Based on MOT first-test pass rates, the 2021 Audi A3 S Line Comp 45 TFSI E SA has the highest pass rate at 93.3%, out of 334 vehicles tested.

What are the most common Audi A3 S Line Comp 45 TFSI E SA MOT failures?

The most common Audi A3 S Line Comp 45 TFSI E SA MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Audi A3 S Line Comp 45 TFSI E SA — Reliability by Year

2,052 vehicles · MOT data 2021–2024 · first-test pass rates

This page shows MOT first-test pass rates for each year the Audi A3 S Line Comp 45 TFSI E SA was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

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Best pass rate year

2021

93.3% pass rate · 334 vehicles

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Lowest pass rate year

2022

92.3% pass rate · 242 vehicles

Year	Pass rate	Avg mileage	Vehicles
2024	First MOTs due 2027+	—	864
2023	First MOTs due 2026+	37,847 mi	612
2022	92.3%	30,810 mi	242
2021	93.3%	36,118 mi	334

* UK vehicles require their first MOT at 3 years old. Recent model years shown in grey have little or no MOT test data yet — pass rate data will build up as those vehicles mature.

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