Cadillac DTS is a full-size luxury car that was produced between 2005 and 2011 and was available as a 4-door sedan or 4-door limousine model. The car was released after the discontinuation of DeVille model, a car of Cadillac that was produced for many years. Replacement of DeVille was cheaper by 10 %. Main changes comparing to predecessor are that DTS had not received 6-passenger seating configuration, was manufactured on G-platform and received 4.6 L V8 engine. DTS-L version was released in 2006. Updated interior and armored versions of DTS was used as a presidential car for vice-presidents and president of USA and Canada.  Vehicle was at its peak of sales in 2006, soon after releasement, but since then, every year popularity of the car was decreasing until it was discontinued.