Lexus LS The Lexus LS is a full-size luxury sedan that serves as the flagship model of Lexus, the luxury division of Toyota. In January 1989, the LS 400 made its debut as a 1990 model at the North American International Auto Show, in Detroit, Michigan.[16] U.S. sales began in September 1989, followed by limited exports to Australia, Canada, and the United Kingdom Information provided by: https://en.wikipedia.org/wiki/Lexus_LS#First_generation_.28XF10.29