Audi A6 S Line Black Ed 40 Tdi Sa: MOT pass rate and reliability data

The Audi A6 S Line Black Ed 40 Tdi Sa passes its MOT first time more often than the average UK car, by 12.6 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 1,579 individual Audi A6 S Line Black Ed 40 Tdi Sa tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate89.3%
UK national average76.7%
Difference+12.6 points
Tests analysed1,579
Average mileage at test42,959 miles
Average year of manufacture2020
Reliability rank816 of 2,005 models

What this means if you are buying one

A 89.3% first-time pass rate means roughly 11 in every 100 Audi A6 S Line Black Ed 40 Tdi Sas presented for MOT fail on the first attempt. That is better than average, so a well-kept example is a reasonably safe used buy. The average Audi A6 S Line Black Ed 40 Tdi Sa tested had covered 42,959 miles and was built around 2020.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a Audi A6 S Line Black Ed 40 Tdi Sa bought as a repairable salvage, the mechanical side is less likely to spring surprises, so your repair estimate should hold up reasonably well.

Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.

Looking at a specific Audi A6 S Line Black Ed 40 Tdi Sa rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see what damaged Audi A6 S Line Black Ed 40 Tdi Sas actually sold for at UK salvage auction.

Most common MOT failures on a Audi A6 S Line Black Ed 40 Tdi Sa

  1. Number plate does not conform to the specified requirements, 0.9% of tests (5.55x the national rate for this defect)
  2. Tyre tread depth not in accordance with the requirements, 3.5% of tests (1.53x the national rate for this defect)
  3. A tyre seriously damaged, 1.3% of tests
  4. Engine MIL illuminated indicating a malfunction, 0.7% of tests
  5. a brake lining or pad worn below 1.5mm, 0.7% of tests
  6. Wiper blade missing or obviously not clearing the windscreen, 0.5% of tests
  7. A spring or spring component fractured or seriously weakened, 0.4% of tests
  8. A tyre cords visible or damaged, 0.3% of tests
  9. Excessive fluctuation in brake effort through each wheel revolution., 0.2% of tests
  10. An SRS malfunction indicator lamp (MIL) indicates a system malfunction, 0.2% of tests

From 3,106 DVSA-tracked Audi A6 S Line Black Ed 40 Tdi Sa tests, 2024. DVSA testers marked 7.53% of these flagged Audi A6 S Line Black Ed 40 Tdi Sa defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

Audi A6 S Line Black Ed 40 Tdi Sa pass rate by model year

Pass rates fall steadily as cars age, so the model year matters as much as the model. First-time pass rate for each Audi A6 S Line Black Ed 40 Tdi Sa year:

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If this car is a salvage or write-off

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Audi A6 S Line Black Ed 40 Tdi Sa MOT pass rate badge: 89.3%

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All 2,005 models ranked by MOT pass rate