rpo

Hi, I need to get new rear rotors for my 01 4wd Tahoe LS 5.3L . They have 1 piston caliper and 2 piston caliper types and that determines the rotor size. Can I tell anything from the glovebox sticker RPO codes? Or do I have to take the rear wheel off.............

I have a 2015 Tahoe Z71 that I fell in love with because it stood out to me due to a unique paint color and interior. The problem with that is that although I have the build sheet for it, I can't find what Chevy calls that color. If I ever need to do touchups, I have no idea what color to get...