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Model Years Speeds Drive Train Trans Model
STS Base 2005-2007 5 Spd RWD, AWD V6 2.8L 3.6L V8 4.6L 5L40E, 5L50E
STS V 2006-2009 6 Spd RWD V8 4.4L Super Charged 6L80
STS Base, Platinum 2007-2011 6 Spd RWD, 4WD 3.6L V6, V8 4.6L 6L50