36 MONTHS/ 36000 MILE FREE MAINTENANCE WITH ALL CARS. AWD heated black leather and tons of cargo room! You win! You will be hard pressed to find a better SUV than this charming 2008 Porsche Cayenne. J.D. Power has named the 2008 Cayenne as the highest ranked in Overall Performance and Design in its class. This roomy Cayenne with its grippy AWD will handle anything mother nature decides to throw at you during one of her bad days at work.