Grand Prix 07 High Miles

I purchased an 07 grand prix. It has high miles almost 88,000. It had one owner seemed to keep it clean. Question, what should i do to keep the car tip top? besides the oil change and what not are there any recommendations to keep her running smooth? I have a dealer warranty so I want to make sure everything is working good before that runs out. Please any suggestions will help.

88k is really not that high. Even for an 07. Considering 07's went on sale in 06 its almost 5 years old and that averages 17,600 miles a year. I drive 13,000 miles a year just to drive to work and back. My 07 has almost 126,000 miles.

As for upkeep its really no different than any other car. Just take care of the car and do regular preventative maintenance.