Audi

Audi A6 S Line TDI Ultra S A — Reliability by Year

2,506 vehicles · MOT data 2014–2018 · first-test pass rates

This page shows MOT first-test pass rates for each year the Audi A6 S Line TDI Ultra S A was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

Best pass rate year
2017
96.6% pass rate · 496 vehicles
Lowest pass rate year
2014
91.8% pass rate · 413 vehicles
Year Pass rate Avg mileage Vehicles
2018
95.5%
67,741 mi 196
2017
96.6%
71,585 mi 496
2016
93.9%
86,644 mi 672
2015
94.2%
90,863 mi 729
2014
91.8%
95,154 mi 413

Which year Audi A6 S Line TDI Ultra S A 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 67,741 miles (newest year) to 95,154 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 Ultra S A.

See the buying guide →

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