2012 Cadillac CTS Sedan Price,Photos,Specifications & Launch     MSRP                 $35,915 – $50,190 Invoice            $33,940 – $47,430 The 2012 CTS Sedan is a 4-door, 5-passenger luxury sedan, available in 8 trims, ranging from the 3.0L Base to the 3.6L Premium AWD. Upon introduction, the 3.0L Base is equipped with a standard 3.0-liter, V6, 270-horsepower engine [...]