Reliability Guide
Common Porsche Problems
Select a model below to discover known faults, common MOT failures, estimated repair costs, and buying tips.
Select a Porsche Model
Porsche 911 (992)
2019 – 2025
4 documented issues
Porsche Taycan
2019 – 2025
3 documented issues 1 severe
Porsche Cayenne (9Y0)
2018 – 2025
3 documented issues 1 severe
Porsche Boxster / Cayman (718)
2016 – 2025
4 documented issues
Porsche Panamera (971)
2016 – 2024
3 documented issues
Porsche Macan
2014 – 2024
4 documented issues 1 severe
Porsche 911 (991)
2012 – 2019
4 documented issues 1 severe
Porsche Boxster / Cayman (981)
2012 – 2016
4 documented issues
Porsche Cayenne (958)
2010 – 2018
3 documented issues 2 severe
Porsche Panamera (970)
2009 – 2016
3 documented issues 3 severe
Porsche 911 (997)
2004 – 2012
4 documented issues 3 severe
Porsche Boxster / Cayman (987)
2004 – 2012
4 documented issues 2 severe
Porsche Cayenne (955/957)
2003 – 2010
3 documented issues 2 severe
Porsche 911 (996)
1997 – 2004
4 documented issues 2 severe
Brand-wide Porsche Problem Patterns
IMS Bearing: Potential catastrophic engine failure on early 997.1/987.1 models.
Bore Scoring: Piston/cylinder wear on 3.4, 3.6, and 3.8 engines (pre-2009).
PDK Sensor Failure: "Distance sensor" errors can lead to expensive gearbox repairs.
Timing Cover Leak: Common V6 Macan issue caused by snapped aluminium bolts.
Transfer Box: Jerky acceleration or shuddering in Cayenne and Macan models.
12V Battery/Software: Complex glitches and battery drain on early Taycan models.
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