What are the most common Audi A4 S Line Black Edition TDI MOT failures?

The most common Audi A4 S Line Black Edition 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 A4 S Line Black Edition TDI — Reliability by Year

Q: What year Audi A4 S Line Black Edition TDI is most reliable?

Based on MOT first-test pass rates, the 2015 Audi A4 S Line Black Edition TDI has the highest pass rate at 91.1%, out of 165 vehicles tested.

1,711 vehicles · MOT data 2011–2015 · first-test pass rates

This page shows MOT first-test pass rates for each year the Audi A4 S Line Black Edition 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

2015

91.1% pass rate · 165 vehicles

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Lowest pass rate year

2011

84.8% pass rate · 205 vehicles

Year	Pass rate	Avg mileage	Vehicles
2015	91.1%	82,261 mi	165
2014	89.9%	92,389 mi	414
2013	88.8%	98,111 mi	542
2012	86.6%	109,785 mi	385
2011	84.8%	115,703 mi	205

Which year Audi A4 S Line Black Edition 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 82,261 miles (newest year) to 115,703 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 A4 S Line Black Edition TDI.

See the buying guide →

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