What year Audi A3 Sport TDI is most reliable?

Based on MOT first-test pass rates, the 2018 Audi A3 Sport TDI has the highest pass rate at 99.1%, out of 136 vehicles tested.

What are the most common Audi A3 Sport TDI MOT failures?

The most common Audi A3 Sport TDI 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 Sport TDI — Reliability by Year

5,378 vehicles · MOT data 2004–2018 · first-test pass rates

This page shows MOT first-test pass rates for each year the Audi A3 Sport TDI 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

2018

99.1% pass rate · 136 vehicles

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Lowest pass rate year

2004

71.6% pass rate · 297 vehicles

Year	Pass rate	Avg mileage	Vehicles
2018	99.1%	64,746 mi	136
2017	97.0%	74,452 mi	509
2016	95.8%	78,406 mi	292
2015	92.1%	88,088 mi	877
2014	90.8%	94,311 mi	1,007
2013	90.3%	99,189 mi	718
2012	87.0%	103,813 mi	390
2011	86.4%	111,674 mi	109
2010	83.0%	124,157 mi	171
2008	83.5%	135,522 mi	166
2007	81.3%	158,530 mi	174
2006	76.5%	158,158 mi	240
2005	73.7%	154,599 mi	292
2004	71.6%	160,776 mi	297

Which year Audi A3 Sport TDI is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests. Green = noticeably above average for this model; red = noticeably below average.

Tests range from an average of 64,746 miles (newest year) to 160,776 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →

Trying to decide which year to buy?

We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a Audi A3 Sport TDI.

See the buying guide →

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