Audi S4 Black Edition Tdi Quattro A: MOT pass rate and reliability data

The Audi S4 Black Edition Tdi Quattro A passes its MOT first time more often than the average UK car, by 15.7 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 604 individual Audi S4 Black Edition Tdi Quattro A tests. Nothing here is an estimate or a survey.

The numbers

What this means if you are buying one

A 92.4% first-time pass rate means roughly 8 in every 100 Audi S4 Black Edition Tdi Quattro As 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 S4 Black Edition Tdi Quattro A tested had covered 41,546 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 S4 Black Edition Tdi Quattro A sits 15.7 points above the national average, ranked 326 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 S4 Black Edition Tdi Quattro A 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 S4 Black Edition Tdi Quattro As at UK salvage auction.

Most common MOT failures on a Audi S4 Black Edition Tdi Quattro A

1. A tyre seriously damaged, 4.1% of tests (1.48x the national rate for this defect)
2. a brake lining or pad worn below 1.5mm, 1.3% of tests
3. Number plate does not conform to the specified requirements, 1.2% of tests (6.28x the national rate for this defect)
4. A tyre cords visible or damaged, 1% of tests
5. Tyre tread depth not in accordance with the requirements, 0.8% of tests
6. A spring or spring component fractured or seriously weakened, 0.7% of tests
7. Excessive fluctuation in brake effort through each wheel revolution., 0.5% of tests (1.36x the national rate for this defect)
8. A wheel with a loose or missing wheel nut, bolt or stud, 0.5% of tests (1.61x the national rate for this defect)
9. Engine MIL illuminated indicating a malfunction, 0.3% of tests
10. Seat belt buckle missing, damaged or not functioning as intended, 0.2% of tests

From 603 DVSA-tracked Audi S4 Black Edition Tdi Quattro A tests, 2024. DVSA testers marked 6.8% of these flagged Audi S4 Black Edition Tdi Quattro A defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 5.11% nationally.

Most common MOT advisories on a Audi S4 Black Edition Tdi Quattro A

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 S4 Black Edition Tdi Quattro A before it actually fails on it.

1. A spring or spring component fractured or seriously weakened, 8% of tests (1.68x the national rate for this advisory), also fails
2. Tyre tread depth not in accordance with the requirements, 24.5% of tests, also fails
3. A tyre seriously damaged, 7.6% of tests, also fails
4. a brake lining or pad worn below 1.5mm, 6.3% of tests, also fails
5. Brake disc or drum excessively weakened, insecure or fractured, 4.3% of tests
6. A shock absorber damaged to the extent that it does not function or showing signs of severe leakage, 1.8% of tests
7. Brake disc or drum significantly and obviously worn, 1.3% of tests
8. Number plate inscription missing or illegible, 0.7% of tests
9. A suspension component excessively damaged or corroded, 0.3% of tests
10. Significant brake effort recorded with no brake applied indicating a binding brake, 0.2% of tests

From 603 DVSA-tracked Audi S4 Black Edition Tdi Quattro A tests, 2024.

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

• Volkswagen Id3 Business - 92.4%
• Audi A6 Sport 40 Tfsi Mhev S-A - 92.4%
• Vauxhall Astra Business Edition Nav T - 92.4%
• Mercedes-Benz E 300 Amg Line Edition De Auto - 92.4%
• Volkswagen T-Roc - 92.3%
• Fiat Swift - 92.3%

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