The Dodge Challenger SRT-8 was a performance variant of the Third Generation Dodge Challenger. Introduced in 2008, the SRT-8 was initially fitted with a 6.1L 'Hemi' V8, but from 2011, a 6.4L 'Hemi' V8 was used. This performance variant was the top standard trim level offered for the Challenger, and was available until 2014.