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Porsche Taycan reliability, MPG and running costs

Figures updated

The Porsche Taycan is a car. In 2024 MOT tests it scored 127 for reliability (100 is average), ranking 120 of 442, and 9.5% failed first time against a UK average of 28.5%. Its most common MOT failure is condition (2.8% of tests).

127Well above average

Ranked 120 of 442 cars in the 2024 MOT Reliability League

In 2024, 5,279 Porsche Taycans aged 3 to 20 had an MOT and 9.5% failed first time (UK average 28.5%). Taking age and mileage into account, the Porsche Taycan is 21% less likely to fail than the average car of the same age and mileage. At the first MOT, at three years old, 9.8% failed (UK 12.7%).

First-time fail rate

9.5%

UK 28.5%

Fail rate at 3 years

9.8%

UK 12.7%

Average miles a year

8,200

Typical age at test: 3 years

Porsche Taycan MOT failure rate by age

0%10%20%30%40%357910UK average 31%Taycan 8%

Most common Porsche Taycan MOT faults

  1. Condition: has ply or cords exposed2.8% of tests
  2. Condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.1% of tests
  3. Condition: has a bulge, caused by separation or partial failure of its structure1.5% of tests
  4. Tread depth: tread depth below requirements of 1.6mm1.2% of tests
  5. Registration plates: does not conform to the specified requirements0.7% of tests
  6. Headlamp aim: too high0.4% of tests

What the Porsche Taycan fails on

AreaTests failingvs similar cars
Tyres7.4%▲ 1.6× as often
Lights and electrics0.9%▼ 66% less often
Brakes0.4%▼ 76% less often
Visibility0.4%▼ 88% less often
Suspension0.2%▼ 68% less often
Seat belts and airbags0.2%▼ 39% less often
Body and structure0.1%▼ 71% less often
Wheels0.1%▼ 48% less often
Steering0.0%▼ 100% less often
Exhaust and emissions0.0%▼ 100% less often

What MPG does the Porsche Taycan do?

Electric versions average 3 miles per kWh, with an official range of 345 to 422 miles.

Work out a journey's fuel cost

How much is road tax on a Porsche Taycan?

Any Porsche Taycan first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates).

Work out tax for a specific car

Porsche Taycan specs and running costs

Official figures for 19 versions sold in the UK between 2025 and 2025.

Fuel types

Electric

Electric range

345–422 miles

Efficiency

3.0–4.0 mi/kWh

Power

435–1034 PS

VersionFuelEconomyCO2Car taxCompany car tax
Taycan Taycan435 PS · N/A · listed 2025Electric4 mi/kWh0g£2004%
Taycan Taycan Black Edition435 PS · N/A · listed 2025Electric4 mi/kWh0g£2004%
Taycan Taycan Sport Turismo435 PS · N/A · listed 2025Electric4 mi/kWh0g£2004%
Taycan Taycan Sport Turismo Black Edition435 PS · N/A · listed 2025Electric3 mi/kWh0g£2004%
Taycan Taycan 4S598 PS · N/A · listed 2025Electric4 mi/kWh0g£2004%
Taycan Taycan 4S Black Edition598 PS · N/A · listed 2025Electric4 mi/kWh0g£2004%
Taycan Taycan 4S Cross Turismo598 PS · N/A · listed 2025Electric3 mi/kWh0g£2004%
Taycan Taycan 4S Sport Turismo598 PS · N/A · listed 2025Electric3 mi/kWh0g£2004%
Taycan Taycan 4S Sport Turismo Black Edition598 PS · N/A · listed 2025Electric3 mi/kWh0g£2004%
Taycan Taycan GTS700 PS · N/A · listed 2025Electric4 mi/kWh0g£2004%
Taycan Taycan GTS Sport Turismo700 PS · N/A · listed 2025Electric3 mi/kWh0g£2004%
Taycan Taycan Turbo884 PS · N/A · listed 2025Electric4 mi/kWh0g£2004%
Taycan Taycan Turbo Cross Turismo884 PS · N/A · listed 2025Electric3 mi/kWh0g£2004%
Taycan Taycan Turbo Sport Turismo884 PS · N/A · listed 2025Electric3 mi/kWh0g£2004%
Taycan Taycan Turbo S952 PS · N/A · listed 2025Electric4 mi/kWh0g£2004%

Economy and CO2 are official WLTP figures. Car tax is the yearly rate at current rates for a car first registered in the year listed, before any expensive car supplement. Company car tax is the 2026/27 benefit-in-kind rate. Showing the 15 most recent of 19 versions.

What a Porsche Taycan costs to fuel

  • Electric, typical official 3 miles per kWh…

Official figures are usually 10–15% better than real-world driving.

Work out your charging costs

Buying a used Porsche Taycan?

Check the MOT history of the exact car: every result, advisory and mileage reading, free.

Other Porsche models

Frequently asked questions

›Is the Porsche Taycan reliable?

Its MOT record is better than average: the Porsche Taycan is 21% less likely to fail than the average car of the same age and mileage, with a reliability score of 127 in our 2024 league (100 is average).

›What are common problems with the Porsche Taycan?

The most common MOT fault is “Condition: has ply or cords exposed”, found in 2.8% of tests. It fails on tyres more often than similar cars.

›What MPG does the Porsche Taycan do?

Electric versions average 3 miles per kWh, with an official range of 345 to 422 miles.

›How much is road tax on a Porsche Taycan?

Any Porsche Taycan first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates).

›How many Porsche Taycans fail their MOT?

9.5% of Porsche Taycans aged 3 to 20 failed their MOT first time in 2024, and 9.8% failed at their first MOT.

Sources: DVSA anonymised MOT tests 2024, all versions of the Porsche Taycan combined (Open Government Licence v3.0); official economy and CO2 from Vehicle Certification Agency data, © Crown copyright. VCA cannot accept liability for its accuracy. How we calculate the league.