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High mileage Cayenne S..should I be worried at 300K kms?

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Just recently purchased a 2005 Cayenne S with 303,000 kms. The vehicle runs great, small issues (bulbs, seat warmers yada yada...) and no warning lights on the dash except for brake wear sensors (!) on the vehicle info display. Should I be worried that an any time this thing will explode on me? The vehicle had been a leased car most of its life. Clean CarFax. I am a new Porsche owner never driven one before. I just need some reassurance or information on how these handle once they surpass such high kms. 

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In my case it has usually been a lack of tools and specific knowledge of the car that has cost me the most money since I bought mine at 98K mi. I can rebuild a chevrolet but not this thing.


Fuel pumps will go out, have they been replaced? I also had a DME failure that cost me big $$$.  My water pump slowly died, didn't leave me stranded. Fuel pumps did. Most of the other little things I can do myself. I wish I had bought a Durametric when I first got the car too.

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Good to know CB. The Durametric is good to have as I have been reading up on apparatus required as the owner of one of these SUV's. I am also pretty handy BUT (that's a big BUT) i am at the mercy of all these electronics and computers. The motor purrs nicely, for the time being that's all I have until I read the data. As far as engine/transmission would you say I'm pretty safe?? tough question...

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I'm not a huge fan of the tiptronic but I've had zero issues in the 88K I've put on it since I bought it at 98K. I just change the oil once a year or 10K.


Coil packs go out about every 3-4 years in my experience. Its a hefty expense to do them all at the dealer, but not as hard as it looks. You can do them yourself.

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