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Audi A6 S Line TDI — Reliability by Year

2,120 vehicles · MOT data 2006–2014 · first-test pass rates

This page shows MOT first-test pass rates for each year the Audi A6 S Line 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
92.9% pass rate · 240 vehicles
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Lowest pass rate year
2006
81.0% pass rate · 109 vehicles
Year Pass rate Avg mileage Vehicles
2014
92.9%
99,041 mi 240
2013
92.7%
101,782 mi 632
2012
90.3%
114,607 mi 662
2011
88.0%
120,798 mi 141
2008
85.6%
147,227 mi 170
2007
82.8%
153,250 mi 166
2006
81.0%
158,373 mi 109

Which year Audi A6 S Line 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 99,041 miles (newest year) to 158,373 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 S Line TDI.

See the buying guide →

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