1 generation 2005–2011 2.7 AT 2005 → 3.0 D AT 2005 → 3.5 AT 2005 → 3.5 AT AWD 2005 → 5.7 AT 2005 → 5.7 AT AWD 2005 → 6.1 AT SRT-8 2005 → 6.1 AT SRT8 2005 →