IsItAGoodCar
Reliability Guide

Common Problems with the
2012 Porsche Boxster / Cayman (981)

The 2012 launch of the 981 generation brought an entirely new, lighter aluminium chassis and a longer wheelbase. It is widely considered the peak of the modern mid-engined Porsche, combining exceptional reliability with glorious naturally aspirated flat-six engines.

What changed for 2012

  • •Debut of the all-new 981 generation on a lighter, stiffer chassis.
  • •Introduction of electric power steering and an updated interior.

Common MOT watch-outs

  • !Suspension wear, particularly front lower control arms.
  • !Minor software glitches affecting the PCM infotainment system.
4
Known Issues
0
Serious
1
Moderate
3
Minor

All Known Issues

PADM Failure

ModerateSuspension & Chassis

Dynamic engine mounts can fail internally, causing a dashboard error.

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

PADM Fault message

What to Inspect:
  • Check for fault codes or dash warnings
Verified by IsItAGoodCar Research Team

Door Card Warping

MinorInterior & Trim

The adhesive on the door panel trim fails, causing the edge to pull away. Purely aesthetic but common.

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

Door trim lifting at the window line

What to Inspect:
  • Inspect the top edge of both door panels
Verified by IsItAGoodCar Research Team

Exhaust Valve Seizure

MinorExhaust & Emissions

The sports exhaust (PSE) valves can seize in the closed position, particularly on cars that do regular short journeys. Results in loss of the sport exhaust sound.

Est. Repair Cost: £300–£600
Warning Signs:

Loss of sport exhaust sound, Valve warning on dash

What to Inspect:
  • Test sport exhaust button
  • Listen for exhaust tone change
Verified by IsItAGoodCar Research Team

PCM Infotainment Freezes

MinorElectrics & Electronics

The PCM 3.1 system can suffer from screen freezes and reboots, particularly on earlier 981 models. Software updates usually resolve the issue.

Est. Repair Cost: £0–£200 (Software update)
Warning Signs:

Screen freeze, System reboot, Bluetooth disconnections

What to Inspect:
  • Ensure latest software is installed
  • Test all infotainment functions
Verified by IsItAGoodCar Research Team

Buying Tips for 2012 Porsche Boxster / Cayman (981)

  • Listen for 'change over valve' (COV) failures, leading to issues with the sports exhaust or heating systems.
  • The 2.7-litre engine needs to be revved hard to extract performance, while the 3.4-litre 'S' is the more effortless choice.