Ford Fiesta St-Line X Edition Turbo: MOT pass rate and reliability data

The Ford Fiesta St-Line X Edition Turbo passes its MOT first time more often than the average UK car, by 12.2 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 1,894 individual Ford Fiesta St-Line X Edition Turbo tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate88.9%
UK national average76.7%
Difference+12.2 points
Tests analysed1,894
Average mileage at test28,824 miles
Average year of manufacture2020
Reliability rank875 of 2,005 models

What this means if you are buying one

A 88.9% first-time pass rate means roughly 11 in every 100 Ford Fiesta St-Line X Edition Turbos 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 Ford Fiesta St-Line X Edition Turbo tested had covered 28,824 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 Ford Fiesta St-Line X Edition Turbo sits 12.2 points above the national average, ranked 875 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 Ford Fiesta St-Line X Edition Turbo 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 Ford Fiesta St-Line X Edition Turbos at UK salvage auction.

Most common MOT failures on a Ford Fiesta St-Line X Edition Turbo

  1. Tyre tread depth not in accordance with the requirements, 3.3% of tests
  2. A tyre seriously damaged, 3.1% of tests
  3. A tyre cords visible or damaged, 1.1% of tests
  4. The aim of a headlamp is not within limits laid down in the requirements, 0.9% of tests
  5. a brake lining or pad worn below 1.5mm, 0.8% of tests
  6. Lambda coefficient outside the default limits or the range specified by the manufacturer, 0.6% of tests
  7. Lamp not securely attached, 0.5% of tests (2.93x the national rate for this defect)
  8. Engine MIL illuminated indicating a malfunction, 0.4% of tests
  9. A wheel with a loose or missing wheel nut, bolt or stud, 0.4% of tests (1.37x the national rate for this defect)
  10. Emissions levels exceed default limits, 0.4% of tests (1.2x the national rate for this defect)

From 1,891 DVSA-tracked Ford Fiesta St-Line X Edition Turbo tests, 2024. DVSA testers marked 7.18% of these flagged Ford Fiesta St-Line X Edition Turbo defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 5.11% nationally.

Most common MOT advisories on a Ford Fiesta St-Line X Edition Turbo

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 Ford Fiesta St-Line X Edition Turbo before it actually fails on it.

  1. A wheel badly distorted or wear between wheel and hub at spigot mounting, 6.8% of tests (6.34x the national rate for this advisory)
  2. Tyre tread depth not in accordance with the requirements, 27.7% of tests, also fails
  3. A tyre seriously damaged, 13.4% of tests, also fails
  4. a brake lining or pad worn below 1.5mm, 10.5% of tests, also fails
  5. Brake disc or drum excessively weakened, insecure or fractured, 7.7% of tests
  6. Brake disc or drum significantly and obviously worn, 2.2% of tests
  7. A shock absorber damaged to the extent that it does not function or showing signs of severe leakage, 1.5% of tests
  8. Number plate inscription missing or illegible, 0.8% of tests
  9. Exhaust system leaking or insecure, 0.5% of tests
  10. Excessive fluctuation in brake effort through each wheel revolution., 0.4% of tests

From 1,891 DVSA-tracked Ford Fiesta St-Line X Edition Turbo tests, 2024.

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Ford Fiesta St-Line X Edition Turbo MOT pass rate badge: 88.9%

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Ford Fiesta St-Line X Edition Turbo most common MOT failure: Tyre tread depth not in accordance with the requirements (3.3% of tests)

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All 2,005 models ranked by MOT pass rate