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

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. The Audi A6 S Line Black Ed 40 Tdi Sa sits 12.6 points above the national average, ranked 816 of 2,005 models. On one bought as 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 recorded closing bids for damaged Audi A6 S Line Black Ed 40 Tdi Sas 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, 1% of tests (5.15x the national rate for this defect)
2. Tyre tread depth not in accordance with the requirements, 5.4% of tests (1.69x the national rate for this defect)
3. A tyre seriously damaged, 2.3% of tests
4. a brake lining or pad worn below 1.5mm, 1.3% of tests
5. Engine MIL illuminated indicating a malfunction, 1.2% of tests
6. A spring or spring component fractured or seriously weakened, 0.6% of tests
7. A tyre cords visible or damaged, 0.4% of tests
8. Wiper blade missing or obviously not clearing the windscreen, 0.4% of tests
9. Windscreen or window damaged or seriously discoloured and affecting the driver's view of the road or of an obligatory external mirror, 0.3% of tests (3.9x the national rate for this defect)
10. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.3% of tests

From 1,577 DVSA-tracked Audi A6 S Line Black Ed 40 Tdi Sa tests, 2024. DVSA testers marked 8.69% 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 5.11% nationally.

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

An advisory doesn't fail the car - the tester flags it as worth watching, but it still passes. A different list from the failures above: what testers are noting on a Audi A6 S Line Black Ed 40 Tdi Sa before it actually fails on it.

1. a brake lining or pad worn below 1.5mm, 13.3% of tests (1.42x the national rate for this advisory), also fails
2. Tyre tread depth not in accordance with the requirements, 32.3% of tests (1.21x the national rate for this advisory), also fails
3. A tyre seriously damaged, 5.6% of tests, also fails
4. A spring or spring component fractured or seriously weakened, 4.9% of tests, also fails
5. Brake disc or drum excessively weakened, insecure or fractured, 3% of tests
6. Brake disc or drum significantly and obviously worn, 2.5% of tests
7. Number plate inscription missing or illegible, 1.5% of tests
8. A suspension pin, bush or joint excessively worn, 0.4% of tests
9. The strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, 0.4% of tests
10. A wheel badly distorted or wear between wheel and hub at spigot mounting, 0.4% of tests

From 1,577 DVSA-tracked Audi A6 S Line Black Ed 40 Tdi Sa tests, 2024.

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

From its 2020 to its 2021 model year, the Audi A6 S Line Black Ed 40 Tdi Sa's first-time pass rate has fallen 2.2 points, from 91% to 88.8%, an unusual pattern where even its newest years fail more than its oldest. First-time pass rate for each Audi A6 S Line Black Ed 40 Tdi Sa year:

• 2019 Audi A6 S Line Black Ed 40 Tdi Sa - 90.2% first-time pass, 285 tests
• 2020 Audi A6 S Line Black Ed 40 Tdi Sa - 91% first-time pass, 657 tests
• 2021 Audi A6 S Line Black Ed 40 Tdi Sa - 88.8% first-time pass, 625 tests

Other Audi models

• Audi A3 - 78.1%
• Audi A4 - 76.3%
• Audi A1 - 79.5%
• Audi A6 - 81.9%
• Audi A5 - 80.4%
• Audi Tt - 78.8%
• Audi Q3 - 83.5%
• Audi Q5 - 84.8%

Models with a similar pass rate

• Peugeot 2008 GT Premium Ev - 89.3%
• Volkswagen Golf Gte S-A - 89.3%
• Land Rover Discovery Landmark Sd6 Auto - 89.3%
• Ford Kuga Titanium Edition Ecoblue - 89.3%
• Vauxhall Crossland Se - 89.3%
• Land Rover Range Rover Evoque R-Dyn Se A - 89.3%

If this car is a salvage or write-off

• What does Cat N mean? Category N explained
• What does Cat S mean? Category S explained
• Cat S vs Cat N: the real differences
• Do you need an HPI check on a car you know is a write-off?

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All 2,005 models ranked by MOT pass rate