Quote Originally Posted by papaspanky View Post
the gxp will be less costly to maintain in the long run parts are cheaper. even if you have someone else do the maintenance and repairs it will be cheaper. the engine in the gxp is the tried and true 5.3 ls it made 1200 horsepower with a bargain basement turbo setup on a stock bottom end in hotrod magazines tests. almost any shop will work on a gxp and there are far less issues with the gxp in general. plus people wont think you are trying to compensate for any shortcomings if you own a gxp.
This.

...The "5.3" they built was actually a truck engine, and it was a 4.8L