IsItAGoodCar
Reliability Guide

Common Problems with the
2019 Porsche 911 (991)

The final year of the 991 generation. These cars represent the pinnacle of the platform's development, featuring mature software and the highly desirable 'T' (Touring) and GTS models.

What changed for 2019

  • •Final production year for the 991.
  • •Availability of run-out models including the purist-focused Carrera T.

Common MOT watch-outs

  • !General wear on high-performance brake components.
  • !Minor sensor faults.
3
Known Issues
0
Serious
3
Moderate
0
Minor

All Known Issues

Dynamic Engine Mount (PADM) Failure

ModerateSuspension & Chassis

The electromagnetically controlled engine mounts fail internally, triggering a dashboard warning.

Est. Repair Cost: £1,000–£1,400 per side
Warning Signs:

PADM Fault message, Increased vibration at idle

What to Inspect:
  • Check for active fault codes
  • Listen for engine movement during gear changes
Verified by IsItAGoodCar Research Team

Water Pump Failure

ModerateCooling System

The water pump bearing or impeller can fail, causing coolant loss and overheating. The 991.2 has an extended warranty from Porsche for this issue.

Est. Repair Cost: £600–£1,000
Warning Signs:

Coolant leak, Overheating warning, Grinding noise from engine bay

What to Inspect:
  • Check for coolant residue around pump area
  • Inspect water pump pulley for play
Verified by IsItAGoodCar Research Team

Cracked Ignition Coil Packs

ModerateEngine

Coil packs can crack and fail, causing misfires. Common across all 991 variants and relatively inexpensive to fix.

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

Engine misfire, Check engine light, Rough idle

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

Buying Tips for 2019 Porsche 911 (991)

  • ✓A full Porsche or recognized specialist service history is vital to maintain the value of these late, highly desirable models.
  • ✓Check the operation of the front axle lift system (if fitted), as the hydraulic pumps can fail.
2017–2018
Check a 2019 Porsche 911 (991) by Registration