(http://media.il.edmunds-media.com/lexus/gs-450h/2013/ns/2013_lexus_gs-450h_f34_ns_82511_196.jpg) On the heels of last week's introduction of the 2013 Lexus GS 350, Toyota's premium brand teases the next additions to the GS family — the F Sport and the GS 450h.
InsideLine