2008 Challenger (April 2008 production)

SRT8 only, 6.1L with 5-sp auto


2009 Challenger (Summer 2008 production)

Base model 3.5L with 4-sp auto

R/T, 5.7L gen II VCT with 5-speed auto
R/T, 5.7L gen II VCT with 6-speed manual

SRT8, 6.1L with 5-sp auto
SRT8, 6.1L with 6-sp manual


2010 (rumored)

SRT8 with 392