2011 Cadillac STS New Performance

The  new 2011 Cadillac STS is a 4-door, 5-passenger luxury sedan, available in 3 trims, ranging from the V6 Luxury Sport to the V6 Premium Package. The Cadillac STS (Seville Touring Sedan is a full-size luxury sports sedan / executive car manufactured and sold by Cadillac. Upon introduction, both trims are equipped with a standard 3.6-liter, V6, 302-horsepower engine that achieves 18-mpg in the