Audi A1 S Line 25 Tfsi S-A: MOT pass rate and reliability data

The Audi A1 S Line 25 Tfsi S-A passes its MOT first time more often than the average UK car, by 14 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 729 individual Audi A1 S Line 25 Tfsi S-A tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate90.7%
UK national average76.7%
Difference+14 points
Tests analysed729
Average mileage at test25,872 miles
Average year of manufacture2021
Reliability rank599 of 2,005 models

What this means if you are buying one

A 90.7% first-time pass rate means roughly 9 in every 100 Audi A1 S Line 25 Tfsi 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 A1 S Line 25 Tfsi S-A tested had covered 25,872 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 A1 S Line 25 Tfsi 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 A1 S Line 25 Tfsi 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 A1 S Line 25 Tfsi S-As actually sold for at UK salvage auction.

Most common MOT failures on a Audi A1 S Line 25 Tfsi S-A

  1. A tyre seriously damaged, 2.4% of tests (1.21x the national rate for this defect)
  2. Tyre tread depth not in accordance with the requirements, 2.5% of tests
  3. a brake lining or pad worn below 1.5mm, 0.7% of tests
  4. A tyre cords visible or damaged, 0.4% of tests
  5. Seat belt not functioning as intended or of an incorrect type, 0.4% of tests (6.4x the national rate for this defect)
  6. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.4% of tests
  7. Wiper blade missing or obviously not clearing the windscreen, 0.3% of tests
  8. A shock absorber damaged to the extent that it does not function or showing signs of severe leakage, 0.3% of tests
  9. Tyres on the same axle or on twin wheels are different sizes, 0.2% of tests (2.56x the national rate for this defect)
  10. Number plate does not conform to the specified requirements, 0.2% of tests

From 1,315 DVSA-tracked Audi A1 S Line 25 Tfsi S-A tests, 2024. DVSA testers marked 6.08% of these flagged Audi A1 S Line 25 Tfsi S-A defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

Audi A1 S Line 25 Tfsi S-A 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 A1 S Line 25 Tfsi S-A year:

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If this car is a salvage or write-off

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All 2,005 models ranked by MOT pass rate