Audi E-Tron S Line 50 Quattro: MOT pass rate and reliability data

The Audi E-Tron S Line 50 Quattro passes its MOT first time more often than the average UK car, by 13.8 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 885 individual Audi E-Tron S Line 50 Quattro tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate90.5%
UK national average76.7%
Difference+13.8 points
Tests analysed885
Average mileage at test31,614 miles
Average year of manufacture2021
Reliability rank625 of 2,005 models

What this means if you are buying one

A 90.5% first-time pass rate means roughly 10 in every 100 Audi E-Tron S Line 50 Quattros 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 E-Tron S Line 50 Quattro tested had covered 31,614 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. The Audi E-Tron S Line 50 Quattro sits 13.8 points above the national average, ranked 625 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 E-Tron S Line 50 Quattro 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 E-Tron S Line 50 Quattros at UK salvage auction.

Most common MOT failures on a Audi E-Tron S Line 50 Quattro

  1. A tyre cords visible or damaged, 4.4% of tests (2.63x the national rate for this defect)
  2. Tyre tread depth not in accordance with the requirements, 3.7% of tests (1.17x the national rate for this defect)
  3. A tyre seriously damaged, 2.7% of tests
  4. Number plate does not conform to the specified requirements, 1% of tests (5.52x the national rate for this defect)
  5. Wiper blade missing or obviously not clearing the windscreen, 0.9% of tests
  6. The aim of a headlamp is not within limits laid down in the requirements, 0.7% of tests
  7. An SRS malfunction indicator lamp (MIL) indicates a system malfunction, 0.6% of tests (1.36x the national rate for this defect)
  8. A headlamp cleaning device inoperative in the case of LED or gas discharge systems (HID), 0.3% of tests (10.72x the national rate for this defect)
  9. A suspension pin, bush or joint excessively worn, 0.3% of tests
  10. A door will not open using the relevant control or close properly, 0.2% of tests (1.26x the national rate for this defect)

From 883 DVSA-tracked Audi E-Tron S Line 50 Quattro tests, 2024. DVSA testers marked 12.44% of these flagged Audi E-Tron S Line 50 Quattro defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 5.11% nationally.

Most common MOT advisories on a Audi E-Tron S Line 50 Quattro

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 E-Tron S Line 50 Quattro before it actually fails on it.

  1. Tyre tread depth not in accordance with the requirements, 31.8% of tests (1.19x the national rate for this advisory), also fails
  2. A tyre seriously damaged, 11.7% of tests, also fails
  3. Brake disc or drum excessively weakened, insecure or fractured, 1.7% of tests
  4. A suspension pin, bush or joint excessively worn, 0.6% of tests, also fails
  5. Number plate inscription missing or illegible, 0.5% of tests
  6. Brake disc or drum significantly and obviously worn, 0.5% of tests
  7. a brake lining or pad worn below 1.5mm, 0.2% of tests
  8. Seat belt buckle missing, damaged or not functioning as intended, 0.1% of tests
  9. Number plate missing or so insecure that it is likely to fall off, 0.1% of tests (1.58x the national rate for this advisory)
  10. A shock absorber damaged to the extent that it does not function or showing signs of severe leakage, 0.1% of tests

From 883 DVSA-tracked Audi E-Tron S Line 50 Quattro tests, 2024.

Audi E-Tron S Line 50 Quattro pass rate by model year

From its 2020 to its 2021 model year, the Audi E-Tron S Line 50 Quattro's first-time pass rate has fallen 2.4 points, from 92.5% to 90.1%, an unusual pattern where even its newest years fail more than its oldest. First-time pass rate for each Audi E-Tron S Line 50 Quattro year:

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If this car is a salvage or write-off

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Audi E-Tron S Line 50 Quattro MOT pass rate badge: 90.5%

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Audi E-Tron S Line 50 Quattro most common MOT failure: A tyre cords visible or damaged (4.4% of tests)

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All 2,005 models ranked by MOT pass rate