IsItAGoodCar
Reliability Guide

Common Problems with the
2015 Porsche Cayenne (958)

A major facelift in 2015 sharpened the exterior styling and introduced the highly impressive 4.2-litre V8 diesel (S Diesel), alongside Porsche's first plug-in hybrid SUV, the S E-Hybrid.

What changed for 2015

  • •Exterior facelift with revised headlights, taillights, and bumpers.
  • •Introduction of the plug-in S E-Hybrid and the torque-monster S Diesel.

Common MOT watch-outs

  • !Wear on brake pads and discs, particularly on the heavy S Diesel models.
  • !Minor software glitches with the PCM infotainment system.
2
Known Issues
2
Serious
0
Moderate
0
Minor

All Known Issues

Transfer Case Shudder

SeriousGearbox & Transmission

Internal wear causes jerky power delivery. Porsche has extended the warranty on many of these.

Est. Repair Cost: £1,500–£3,000
Warning Signs:

Juddering on light throttle, Hesitation during tight turns

What to Inspect:
  • Drive in a tight circle and accelerate gently
Verified by IsItAGoodCar Research Team

Air Suspension Failure

SeriousSuspension & Chassis

Air struts leak or the compressor fails, causing the car to sag. Replacing struts with Porsche parts is very expensive.

Est. Repair Cost: £1,200–£2,500 per corner
Warning Signs:

Car sagging on one side, Chassis system failure message, Compressor running constantly

What to Inspect:
  • Check ride height after car has sat overnight
  • Listen for compressor noise
Verified by IsItAGoodCar Research Team

Buying Tips for 2015 Porsche Cayenne (958)

  • The S Diesel is a magnificent tow car but check for coolant leaks in the engine 'V'.
  • On the S E-Hybrid, check the charging port functions correctly and verify the 'State of Health' of the high-voltage battery.