TheCarConnection.com notes a full range of standard equipment and luxury extras available for the 2008 Lexus GS 450h.
Cars.com reports this 2008 Lexus offers "dual-zone automatic climate control, an electric rear sunshade and a 10-speaker audio system" as standard equipment. "Additional sound dampening and an acoustically tuned windshield" are available too.
Edmunds adds that the GS hybrid "comes equipped with a full array of standard premium luxury features such as 18-inch wheels, adaptive suspension dampers, adaptive xenon headlights and a sunroof," as well as "leather upholstery, heated and cooled front seats, dual-zone automatic climate control, interior wood trim, Bluetooth, a back-up camera, keyless ignition and a 10-speaker audio system with in-dash CD changer and auxiliary audio jack."
Options on the 2008 Lexus, according to Cars.com, "include a navigation system and a 14-speaker audio system." Edmunds notes this last Lexus 2008 option is "a phenomenal 14-speaker Mark Levinson audio system." This source adds "conventional summer (performance) tires are standard," but remarks that Lexus 2008 buyers "have the option of getting either summer or all-season run-flat tires."