The 2008 GS 450h is a 4-door, 5-passenger luxury sedan, available in one trim only, the Sedan.
Upon introduction, the GS 450h is equipped with a standard 3.5-liter, V6, 340-horsepower, hybrid engine that achieves 22-mpg in the city and 25-mpg on the highway. A variable-Speed automatic transmission with overdrive is standard.
The 2008 GS 450h is a carryover from 2007.