IsItAGoodCar
Reliability Guide

Common Problems with the
2012 Porsche 911 (997)

The final year of the 997 generation saw the release of run-out specials like the GTS, which combined the wide body of the Carrera 4 with rear-wheel drive. The 997 is now widely considered the perfect 'modern classic' 911.

What changed for 2012

  • •Final production year for the 997.
  • •Introduction of the highly desirable Carrera GTS model.

Common MOT watch-outs

  • !Deterioration of suspension top mounts, causing a 'creaking' noise.
  • !General wear and tear commensurate with age.
2
Known Issues
1
Serious
1
Moderate
0
Minor

All Known Issues

PDK Distance Sensor Failure

SeriousGearbox & Transmission

An internal sensor in the PDK gearbox fails, rendering the car undriveable. Porsche dealers typically quote £20,000–£30,000 for a full gearbox replacement as they do not repair internal parts. However, UK specialists like Ninemeister and Zuffenhaus can now repair the unit by replacing the faulty component with an upgraded T-Design9 sensor.

Est. Repair Cost: £4,500–£7,000 (Specialist Repair)
Warning Signs:

Transmission fault warning, Emergency transmission mode, Loss of reverse/even gears, Fault codes P1731, P1732, P1735

What to Inspect:
  • Check for smooth shifts
  • Scan for PDK-specific fault codes
  • Ask if the gearbox has already been repaired by a specialist
Verified by IsItAGoodCar Research Team

Cracked Ignition Coil Packs

ModerateEngine

The coil packs on 997 engines are prone to cracking and failing, causing misfires. A relatively inexpensive fix but common across all variants.

Est. Repair Cost: £200–£400
Warning Signs:

Engine misfire, Check engine light, Rough idle, Hesitation under acceleration

What to Inspect:
  • Scan for misfire codes
  • Inspect coil packs for visible cracks
Verified by IsItAGoodCar Research Team

Buying Tips for 2012 Porsche 911 (997)

  • GTS models command a significant premium but are arguably the sweet spot of the entire 997 range.
  • Check the coolant pipes that run under the car from front to rear; they are prone to corrosion and are expensive to replace.