general problems of the 2006 Porsche Cayman

Travelling in a straight line on a dry road at around 65mph, the vehicle's engine expired in a huge plume of coolant/oil. Flatbedded to a Porsche dealership, a technician using a boroscope found (according to the dealership) "scoring to #5 cylinder and evidence that a valve had hit the top of the piston. There was also a huge amount of metal debris in the oil filter. " this was a result of something failing in the engine, rather than the cause of the failure. The Porsche dealership did not care to determine the cause of the failure. I suspect intermediate main shaft (ims) failure. One year beyond certified pre-owned (cpo) warranty and $20k for a new engine.

Motor failed unexpectedly while accelerating, causing loss of power and loss of control. Mechanic inspection says that it was not my fault, as the failure occurred at 3500 rpm and there was no stress that should cause failure. No sludge found in engine, oil changes done on time. Failure necessitates a completely new motor at a cost of $16,000. After investigation, it appears that complete motor failure between 40-50k miles on the 2006 Porsche Cayman s is fairly common.

When I was driving the normally, the engine just blew. No over rev or shift miss. I brought the car to a dealer and was told that it seemed one bearing at the crankshaft failed. I've seen many similar engine blows for the same type of vehicles on the net so I'm wondering if this could be a design flaw. I expect NHTSA's investigation.

As I was accelerating for a merge, the car bucked and hesitated despite having my foot on the gas. I shifted gears and it was the same problem then there was an odd noise from the engine. I pulled off and the oil pressure warning light came on just as I stopped the engine. I had the car towed to the repair shop.