Porsche Taycan 4s 79kwh: MOT pass rate and reliability data

The Porsche Taycan 4s 79kwh passes its MOT first time more often than the average UK car, by 11.9 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 660 individual Porsche Taycan 4s 79kwh tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate88.6%
UK national average76.7%
Difference+11.9 points
Tests analysed660
Average mileage at test27,162 miles
Average year of manufacture2020
Reliability rank917 of 2,005 models

What this means if you are buying one

A 88.6% first-time pass rate means roughly 11 in every 100 Porsche Taycan 4s 79kwhs 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 Porsche Taycan 4s 79kwh tested had covered 27,162 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 Porsche Taycan 4s 79kwh sits 11.9 points above the national average, ranked 917 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 Porsche Taycan 4s 79kwh 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 Porsche Taycan 4s 79kwhs at UK salvage auction.

Most common MOT failures on a Porsche Taycan 4s 79kwh

  1. A tyre cords visible or damaged, 3.2% of tests (1.9x the national rate for this defect)
  2. A tyre seriously damaged, 5% of tests (1.79x the national rate for this defect)
  3. Number plate does not conform to the specified requirements, 0.9% of tests (4.93x the national rate for this defect)
  4. The aim of a headlamp is not within limits laid down in the requirements, 0.8% of tests
  5. A suspension pin, bush or joint excessively worn, 0.6% of tests
  6. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.5% of tests
  7. A tyre pressure monitoring system malfunctioning or obviously inoperative, 0.3% of tests
  8. Tyre tread depth not in accordance with the requirements, 0.3% of tests
  9. Any fracture or welding defect on a wheel, 0.2% of tests (2.58x the national rate for this defect)
  10. Number plate missing or so insecure that it is likely to fall off, 0.2% of tests (3.87x the national rate for this defect)

From 659 DVSA-tracked Porsche Taycan 4s 79kwh tests, 2024. DVSA testers marked 10.94% of these flagged Porsche Taycan 4s 79kwh defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 5.11% nationally.

Most common MOT advisories on a Porsche Taycan 4s 79kwh

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 Porsche Taycan 4s 79kwh before it actually fails on it.

  1. Tyre tread depth not in accordance with the requirements, 34.6% of tests (1.3x the national rate for this advisory), also fails
  2. A tyre seriously damaged, 7.3% of tests, also fails
  3. Brake disc or drum excessively weakened, insecure or fractured, 1.1% of tests
  4. Number plate inscription missing or illegible, 0.5% of tests
  5. A wheel badly distorted or wear between wheel and hub at spigot mounting, 0.2% of tests

From 659 DVSA-tracked Porsche Taycan 4s 79kwh tests, 2024.

Porsche Taycan 4s 79kwh 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 Porsche Taycan 4s 79kwh year:

Other Porsche models

Models with a similar pass rate

If this car is a salvage or write-off

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Porsche Taycan 4s 79kwh MOT pass rate badge: 88.6%

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Porsche Taycan 4s 79kwh most common MOT failure: A tyre cords visible or damaged (3.2% of tests)

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All 2,005 models ranked by MOT pass rate