What year Audi A6 SE TDI is most reliable?

Based on MOT first-test pass rates, the 2014 Audi A6 SE TDI has the highest pass rate at 91.5%, out of 150 vehicles tested.

What are the most common Audi A6 SE TDI MOT failures?

The most common Audi A6 SE 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 A6 SE TDI — Reliability by Year

2,470 vehicles · MOT data 2006–2014 · first-test pass rates

This page shows MOT first-test pass rates for each year the Audi A6 SE 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

2014

91.5% pass rate · 150 vehicles

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Lowest pass rate year

2006

80.5% pass rate · 259 vehicles

Year	Pass rate	Avg mileage	Vehicles
2014	91.5%	97,727 mi	150
2013	88.6%	102,508 mi	368
2012	89.3%	122,592 mi	495
2011	88.6%	123,866 mi	242
2008	84.9%	151,720 mi	334
2007	82.0%	155,951 mi	622
2006	80.5%	168,655 mi	259

Which year Audi A6 SE TDI is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests.

Tests range from an average of 97,727 miles (newest year) to 168,655 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 A6 SE TDI.

See the buying guide →

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