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

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. On a Porsche Taycan 4s 79kwh 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 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 what damaged Porsche Taycan 4s 79kwhs actually sold for at UK salvage auction.

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

1. A tyre seriously damaged, 2.3% of tests
2. A tyre cords visible or damaged, 1.3% of tests
3. The aim of a headlamp is not within limits laid down in the requirements, 0.4% of tests
4. Number plate does not conform to the specified requirements, 0.3% of tests (2.03x the national rate for this defect)
5. A suspension pin, bush or joint excessively worn, 0.3% of tests
6. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.3% of tests
7. Tyre tread depth not in accordance with the requirements, 0.2% of tests
8. A tyre pressure monitoring system malfunctioning or obviously inoperative, 0.2% of tests
9. Number plate missing or so insecure that it is likely to fall off, 0.2% of tests (4.99x the national rate for this defect)
10. Any fracture or welding defect on a wheel, 0.1% of tests (2.36x the national rate for this defect)

From 1,816 DVSA-tracked Porsche Taycan 4s 79kwh tests, 2024. DVSA testers marked 8.33% of these flagged Porsche Taycan 4s 79kwh defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

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:

• 2020 Porsche Taycan 4s 79kwh - 92.1% first-time pass, 365 tests
• 2021 Porsche Taycan 4s 79kwh - 90.6% first-time pass, 265 tests

Other Porsche models

• Porsche 911 - 89%
• Porsche Boxster - 84.2%
• Porsche Macan - 92.1%
• Porsche Cayenne - 86.4%
• Porsche Cayman - 89.9%
• Porsche Panamera - 87.8%
• Porsche Taycan 4s 93kwh - 90.8%
• Porsche 944 - 77.4%

Models with a similar pass rate

• Vauxhall Corsa Griffin Edition - 88.6%
• Cupra Formentor V2 Phev S-A - 88.6%
• SEAT Arona Fr Sport Ecotsi - 88.6%
• Citroen C4 Shine + Puretech S/S Auto - 88.6%
• Volvo Xc40 First Edition P8 Awd - 88.6%
• Audi A8 - 88.5%

If this car is a salvage or write-off

• What does Cat N mean? Category N explained
• What does Cat S mean? Category S explained
• Cat S vs Cat N: the real differences

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All 2,005 models ranked by MOT pass rate