Porsche Taycan MOT pass rate and common problems

The Porsche Taycan passed 90.9% of its initial MOT tests in 2025, 18.6 percentage points above the 72.3% UK average. The item testers recorded most often was condition has ply or cords exposed.

Checking a specific car? Its own results, advisories and recorded mileages are in a free MOT history check.

How the Taycan compares

Initial MOT tests in 2025, retests excluded. A car that failed and was repaired at the test station counts as a fail.

90.9%

Porsche Taycan

87.6%

Porsche average

72.3%

UK average, all cars

The Taycan runs 3.4 points ahead of the Porsche average. It is 1st of the 8 Porsche models in the data. The average Taycan arrived at its test 3.8 years old with 29,343 miles recorded.

A pass rate records whether cars met the roadworthiness standard on test day. It is not a reliability score, and part of any gap reflects how old the tested cars were.

Taycan MOT pass rate by age

The same 2025 tests split by the car's age at test.

Age at testTestsPass ratevs UK average
3 to 5 years 7,778 91% 18.7 pts above

Every Porsche Taycan tested in 2025 was aged 3 to 5 years, so there is no other age group to compare with. The UK average of 72.3% covers cars of every age, so compare like with like.

Where Taycan failures cluster

Every failure item recorded on Porsche Taycan cars in 2025, grouped into the DVSA's test areas.

  • Tyres68.9%
  • Lamps, reflectors and electrical equipment9.5%
  • Identification of the vehicle9.1%
  • Visibility3.7%
  • Brakes3.4%
  • Suspension2.1%

Tyres and lamps, reflectors and electrical equipment together account for 78.5% of recorded failure items. These are recorded failures across the model, not faults every car has.

The 10 most common Taycan MOT failures

Specific items recorded on Porsche Taycan cars that failed their 2025 MOT, as a share of all recorded failure items.

  1. 1Condition has ply or cords exposedTyres 24.9%
  2. 2Condition has a cut in excess of the requirements deep enough to reach the ply or cordsTyres 17.7%
  3. 3Tread depth below requirements of 1.6mmTyres 10.5%
  4. 4Condition has a bulge, caused by separation or partial failure of its structureTyres 8.5%
  5. 5Registration plates does not conform to the specified requirementsIdentification of the vehicle 7.5%
  6. 6Headlamp aim too highLamps, reflectors and electrical equipment 5%
  7. 7Condition has a tear, caused by separation or partial failure of its structureTyres 2.9%
  8. 8Condition has a lump, caused by separation or partial failure of its structureTyres 1.9%
  9. 9Tyre pressure monitoring system malfunctioning or obviously inoperativeTyres 1.7%
  10. 10Washers provides insufficient washer liquidVisibility 1.5%

Together these 10 items make up 82% of everything testers recorded against failed Porsche Taycan cars. The rest is spread across many smaller items, and one failed test often records several at once.

What to look at on a Taycan

The recorded failures above, grouped by area, biggest first.

1

Tyres

Recorded most often: condition has ply or cords exposed, condition has a cut in excess of the requirements deep enough to reach the ply or cords, tread depth below requirements of 1.6mm, condition has a bulge, caused by separation or partial failure of its structure, condition has a tear, caused by separation or partial failure of its structure, condition has a lump, caused by separation or partial failure of its structure and tyre pressure monitoring system malfunctioning or obviously inoperative. 68% of failure items.

2

Identification of the vehicle

Recorded most often: registration plates does not conform to the specified requirements. 7.5% of failure items.

3

Lamps, reflectors and electrical equipment

Recorded most often: headlamp aim too high. 5% of failure items.

4

Visibility

Recorded most often: washers provides insufficient washer liquid. 1.5% of failure items.

The car's own MOT history matters more than any model average. A free MOT history check shows whether a specific Taycan has failed on these items before, or had them noted as advisories. Buying one? See the used Porsche Taycan buying guide.

Already found one?

Check its finance, write-off, theft, mileage and keeper history with a £15 vehicle history report.

Porsche Taycan MOT FAQs

What is the Porsche Taycan MOT pass rate?

90.9% of Porsche Taycan cars passed their initial MOT first time in 2025, from 10,875 tests. That is 18.6 percentage points above the 72.3% average for all cars, and ranks 25th of 575 models.

What does a Porsche Taycan most commonly fail its MOT on?

The item testers recorded most often on Porsche Taycan cars failing their 2025 MOT was condition has ply or cords exposed, on 24.9% of failure items. Next were condition has a cut in excess of the requirements deep enough to reach the ply or cords (17.7%) and tread depth below requirements of 1.6mm (10.5%).

Which area causes the most Porsche Taycan MOT failures?

Across every recorded failure item, the largest area was tyres at 68.9%, followed by lamps, reflectors and electrical equipment at 9.5%.

Does this mean every Porsche Taycan has these problems?

No. These are the items testers recorded across every Porsche Taycan that failed in 2025. They show where the model most often needs attention, not the condition of any individual car.

How do I see a specific Porsche Taycan's MOT history?

Enter its registration on the free Carpeep MOT history check to see that car's own test results, failures, advisories and recorded mileages.

MOT figures are aggregated from the DVSA MOT Anonymised data set for 2025: class 4 initial tests, retests excluded, with failure items from failed tests (advisories and minor defects excluded), licensed under the Open Government Licence v3.0. MOT results describe roadworthiness at test, not mechanical reliability.