Well lets see for the 06 I have a floor jack, spair tire, 4-way, trans fluid, ps fluid, oil, brake fluid, 2 sets of tools, all the hookeups for amp+ sub, kids crap (toys and the like), re-usable bags for when I shop for food, some other stuff, Winter survival kit,

97, 2 amps plus 12' l7 kicker. Thats about it since the car is garage ridden atm.