lookin at an 06 malibu

hey guys im usually on the blazer side of these forums we are looking at buyin an 06 LTZ malibu its i nice clean car they just put on new breaks and tires its an automatic trans with 3.5 liter v6 loaded leather/suade/ heated seats gun metal grey with chrome ltz rims beautiful car the only thing is it has high miles 146,000
im just trying to do some research of common things if any that go bad around this mileage
thanks
Dave