Audi A3 S Line 40 Tfsi E S-A: MOT pass rate and reliability data

The Audi A3 S Line 40 Tfsi E S-A passes its MOT first time more often than the average UK car, by 11 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 3,472 individual Audi A3 S Line 40 Tfsi E S-A tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate87.7%
UK national average76.7%
Difference+11 points
Tests analysed3,472
Average mileage at test33,455 miles
Average year of manufacture2021
Reliability rank1,028 of 2,005 models

What this means if you are buying one

A 87.7% first-time pass rate means roughly 12 in every 100 Audi A3 S Line 40 Tfsi E S-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 A3 S Line 40 Tfsi E S-A tested had covered 33,455 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 A3 S Line 40 Tfsi E S-A 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 A3 S Line 40 Tfsi E S-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 what damaged Audi A3 S Line 40 Tfsi E S-As actually sold for at UK salvage auction.

Most common MOT failures on a Audi A3 S Line 40 Tfsi E S-A

  1. A tyre cords visible or damaged, 2.9% of tests (2.42x the national rate for this defect)
  2. A tyre seriously damaged, 4.5% of tests (2.21x the national rate for this defect)
  3. Tyre tread depth not in accordance with the requirements, 1.4% of tests
  4. Wiper blade missing or obviously not clearing the windscreen, 0.5% of tests
  5. A shock absorber damaged to the extent that it does not function or showing signs of severe leakage, 0.3% of tests
  6. Engine MIL illuminated indicating a malfunction, 0.2% of tests
  7. A tyre pressure monitoring system malfunctioning or obviously inoperative, 0.2% of tests
  8. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.2% of tests
  9. 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, 0.1% of tests
  10. The aim of a headlamp is not within limits laid down in the requirements, 0.1% of tests

From 5,796 DVSA-tracked Audi A3 S Line 40 Tfsi E S-A tests, 2024. DVSA testers marked 10.26% of these flagged Audi A3 S Line 40 Tfsi E S-A defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

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All 2,005 models ranked by MOT pass rate