Audi A4 S Ln Black Ed 35tdi Mhev Sa: MOT pass rate and reliability data

The Audi A4 S Ln Black Ed 35tdi Mhev Sa passes its MOT first time more often than the average UK car, by 9.8 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 773 individual Audi A4 S Ln Black Ed 35tdi Mhev Sa tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate86.5%
UK national average76.7%
Difference+9.8 points
Tests analysed773
Average mileage at test37,017 miles
Average year of manufacture2021
Reliability rank1,142 of 2,005 models

What this means if you are buying one

A 86.5% first-time pass rate means roughly 14 in every 100 Audi A4 S Ln Black Ed 35tdi Mhev 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 A4 S Ln Black Ed 35tdi Mhev Sa tested had covered 37,017 miles and was built around 2021.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a Audi A4 S Ln Black Ed 35tdi Mhev 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 A4 S Ln Black Ed 35tdi Mhev 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 A4 S Ln Black Ed 35tdi Mhev Sas actually sold for at UK salvage auction.

Most common MOT failures on a Audi A4 S Ln Black Ed 35tdi Mhev Sa

  1. A tyre cords visible or damaged, 2.6% of tests (2.17x the national rate for this defect)
  2. A tyre seriously damaged, 3.5% of tests (1.74x the national rate for this defect)
  3. Tyre tread depth not in accordance with the requirements, 3% of tests (1.3x the national rate for this defect)
  4. Engine MIL illuminated indicating a malfunction, 1.2% of tests (1.26x the national rate for this defect)
  5. Number plate does not conform to the specified requirements, 0.7% of tests (4.51x the national rate for this defect)
  6. A spring or spring component fractured or seriously weakened, 0.7% of tests
  7. An SRS malfunction indicator lamp (MIL) indicates a system malfunction, 0.6% of tests (1.89x the national rate for this defect)
  8. Brake lining or pad worn down to wear indicator, 0.4% of tests (3.04x the national rate for this defect)
  9. a brake lining or pad worn below 1.5mm, 0.4% of tests
  10. A tyre has a lump, bulge or tear caused by separation or partial failure of its structure. This includes any lifting of the tread rubber, 0.4% of tests (3.14x the national rate for this defect)

From 1,367 DVSA-tracked Audi A4 S Ln Black Ed 35tdi Mhev Sa tests, 2024. DVSA testers marked 12.26% of these flagged Audi A4 S Ln Black Ed 35tdi Mhev Sa defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

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