The classic will be available. It's just a package now on RTs instead of a designated model
Heres the link to resumespeed's information on the 15shttp://www.challengertalk.com/forums/f5/2015-challenger-information-thread-98814/
R/T Classic option not available on all R/T's, no Shakers either, only available on R/T Plus...
You can also order the forged Hyper Black II 209x9 wheels.
R/T Classic Package The R/T Classic Package includes performance suede and leather heated and vented seats, dual R/T side stripes, HID headlamps, “Challenger” script fender badge and 20-inch polished forged aluminum Classic II wheels. This package is available on the R/T Plus model.