Used car guide

2021 Porsche Taycan 4S 93KWH: common problems and what to check

What gets flagged at MOT on 2021 Porsche Taycan 4S 93KWHs, from 1,020 tests in 2025, plus known faults and what to look at before you buy one.

1,020MOT tests in 2025
92%pass first time (all 2021 cars: 87%)
7,800typical miles a year
24%had tyres flagged

What gets flagged at MOT

The share of 2021 Porsche Taycan 4S 93KWH MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Tyres
    24% 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
    2% 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.

  • Suspension
    1% of testsRough price £120–£400

    At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

  • 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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Other years

YearMOT testsMost flagged
2022852Tyres 25%
20201,250Tyres 25%

Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2021 Porsche Taycan 4S 93KWHs registered in 2021. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score