1) coolant pipe problems, Porsche never fix them, had pay to get them fix.(2) filter flange fuel pump leakage, problems Porsche said unfortunately, at this time parts are not available.had it repair my owen money, did not want to chance a risk of fire.(3) transmission module problems did not shift right, had to buy new one.to many problems.

- Chowchilla, CA, USA

Its seems to be transmission is slips into four wheels drive, sometime it stuck in a drive gear.

- Camano Island, WA, USA

Porsche lurches, jerks, thuds, intermittent power loss when accelerating to pass another car. Engine, transmission/turbo system faulty and hazardous as power loss occurs when quick speed-up when passing power is critically needed. This power failure problem has occurred since car was bought new ivy me in 2004.

- Las Vegas, NV, USA

Engine coolant hoses are leaking antifreeze. Everytime I pour antifreeze into the car it comes out, im afraid it might damage something else, like the engine etc. They have plastic hoses on them.

- Atlanta, GA, USA

Upon taking the vehicle out of the driveway I started hearing a ticking sound coming from the engine, something like a lifter hitting the block. I pulled back in to my driveway and called a repair shop and scheduled an appointment. When meeting with the technician I was informed that the engine had a scored cylinder and that it is a common issue with the model and year. The only recourse to fix the issue would be to replace the engine. A replacement engine would cost $17 -35,000 - more than the vehicle is worth. If I were to replace it with a used engine, I would be destined for a repeat of the same issue. If this issue is such a common problem why has there not been a recall for these vehicles? I have contacted the manufacturer and was told that I would need to have a authorized service dealership make the diagnosis I have already been told, but there is not a authorized dealership within 500 miles of my location.

- Billings, MT, USA

At 38,785 miles coolant pipes leaking and replaced. After repair "internal engine noise" and noise is now louder and engine use more oil. Took to local Porsche dealer vehicle still at Porsche dealer because dealer states" engine needs replaced" because if overheated due to coolant pipe failure pistons walls damaged. Dealer checking with Porsche to find out if they will pay something or all of cost to replace engine. Cayenne at Porsche dealer for over 60 days with no outcome as to what Porsche will pay. Could cost up to $20,000 if invoiced to me.

- Bethel Park, PA, USA

Driving vehicle, heard noise and engine lights on. Stop check engine, belts off. Tow to service facility. Water pump pulley was found to split, made of fiber. Replaced pulley and multi rib belt.

- Bethel Park, PA, USA

Driving on interstate highway, check engine and add coolant lights on. Stopped added coolant, drove home parked in driveway. Out to use Cayenne again, noticed coolant on driveway, started engine coolant leak allover drive. Called Porsche dealer, not covered under warrenty, also 2 week backlog in getting repair, call independent service and had tow to independent garage. Replace all coolant pipes and water pump. After repair "internal engine noise". ok to drive.

- Bethel Park, PA, USA

While driving check engine light on and vehicle lack power. Drove to independent repair service, replaced 8 ignition coils and 8 spark plugs to correct problem. All ignition coils cracked.

- Bethel Park, PA, USA