2017–2019 Porsche 911 (991)
Browse our directory of 2017–2019 Porsche 911 (991) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2017–2019 Porsche 911 (991) has 3 known issues. 3 are moderate concerns worth inspecting before purchase.
Dynamic Engine Mount (PADM) Failure
ModerateThe electromagnetically controlled engine mounts fail internally, triggering a dashboard warning.
Symptoms: PADM Fault message, Increased vibration at idle
Est. repair cost: £1,000–£1,400 per side
Water Pump Failure
ModerateThe water pump bearing or impeller can fail, causing coolant loss and overheating. The 991.2 has an extended warranty from Porsche for this issue.
Symptoms: Coolant leak, Overheating warning...
Est. repair cost: £600–£1,000
Cracked Ignition Coil Packs
ModerateCoil packs can crack and fail, causing misfires. Common across all 991 variants and relatively inexpensive to fix.
Symptoms: Engine misfire, Check engine light...
Est. repair cost: £200–£400
Buying Tips for the 2017–2019 Porsche 911 (991)
- ✓Check for "PADM Fault" messages; the active engine mounts are a frequent failure point.
- ✓Inspect the door panels for warping; the trim can lift away from the window line.
- ✓Ensure the radiator fans are silent; they can become noisy if debris is trapped.
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