Dodge revived the Challenger name for real in 2008, and demand was strong enough that every single SRT8 built for the U.S. market sold out before it reached a showroom floor. Underneath the retro sheet metal sat a platform borrowed from an unexpected source, and a trim structure that changed considerably over the car’s production run. Read on to find out what powered the entry-level version, and why Canada got a completely different lineup than the U.S.