Cadillac STS

The Cadillac STS is a mid-sized luxury 4-door sedan manufactured and marketed by General Motors from 2004 to 2011 for the 2005 to 2011 model years. A version of the STS was marketed in China as the SLS through 2013.
It was equipped with a six-speed automatic transmission with performance algorithm shifting and driver shift control.
The STS succeeded the Cadillac Seville, which has been available beginning with model year 1987 in a performance-oriented trim, marketed as the STS, for Seville Touring Sedan....