IsItAGoodCar
Reliability Guide

Common Problems with the
2021 Porsche Taycan

Porsche expanded the Taycan range with the rugged 'Cross Turismo' estate, offering higher ground clearance and a 'Gravel Mode', making the Taycan a brilliantly practical daily driver.

What changed for 2021

  • •Introduction of the Cross Turismo body style, featuring higher ground clearance and estate practicality.
  • •Introduction of the entry-level rear-wheel-drive Taycan model.

Common MOT watch-outs

  • !Tyre wear, particularly on the heavy Turbo and Turbo S models.
  • !Software updates required for optimal range estimation and charging performance.
3
Known Issues
1
Serious
2
Moderate
0
Minor

All Known Issues

12V Battery Drain / Failure

SeriousElectrics & Electronics

Software glitches can drain the 12V lithium battery while parked. If it dies, the car cannot be started.

Est. Repair Cost: £2,000–£2,500
Warning Signs:

Car won't unlock, Total loss of power, "12V battery support" message

What to Inspect:
  • Check if battery management software updates are applied
Verified by IsItAGoodCar Research Team

High Voltage (HV) Heater Failure

ModerateInterior & Trim

The heater unit fails internally, meaning no cabin heat. A common issue in colder climates.

Est. Repair Cost: £1,000–£1,500
Warning Signs:

No cabin heat despite settings

What to Inspect:
  • Test heater thoroughly during test drive
Verified by IsItAGoodCar Research Team

Charging Errors

ModerateElectrics & Electronics

"Error Charging" messages, aborted DC fast-charge sessions, or charge rates that never reach advertised speeds. Can be car-side or charger-side.

Est. Repair Cost: £0–£500 (Software update / diagnosis)
Warning Signs:

Error Charging message, Aborted DC fast-charge, Slow charge rates

What to Inspect:
  • Test DC fast charging on multiple chargers
  • Check for charging fault codes
Verified by IsItAGoodCar Research Team

Buying Tips for 2021 Porsche Taycan

  • ✓The Cross Turismo is arguably the pick of the range for UK roads, offering better ride comfort on its higher-profile tyres.
  • ✓Test the Porsche Electric Sport Sound (if fitted) to ensure it operates correctly.
20202022
Check a 2021 Porsche Taycan by Registration