Used car guide

2020 Porsche Taycan Turbo: common problems and what to check

What gets flagged at MOT on 2020 Porsche Taycan Turbos, from 619 tests in 2025, plus known faults and what to look at before you buy one.

619MOT tests in 2025
92%pass first time (all 2020 cars: 86%)
6,300typical miles a year
22%had tyres flagged

What gets flagged at MOT

The share of 2020 Porsche Taycan Turbo MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    22% of testsRough price £70–£150

    At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

  • Wipers, windscreen and mirrors
    3% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Brakes
    3% of testsRough price £150–£350

    At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

  • Seats and seatbelts
    1% of testsRough price £80–£250

    At the viewing: Pull each seatbelt sharply. It should lock, and retract cleanly.

  • Lights and electrics
    1% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

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Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2020 Porsche Taycan Turbos registered in 2020. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score