The Cadillac STS (Seville Touring Sedan) was a mid-sized luxury 4-door sedan produced by General Motors from 2004 to 2011 for the model years 2005 to 2011. In China, a version known as the SLS was sold until 2013. The STS featured a six-speed automatic transmission with performance algorithm shifting and driver shift control.
Succeeding the Cadillac Seville, the STS followed the upscale performance-oriented STS version of the Seville starting from 1987. Despite being smaller than the full-sized DTS, the STS was positioned as the flagship sedan within the Cadillac brand, offering a higher level of luxury and sophistication.
With a production run spanning seven years,