For sale Cadillac CT6 Premium model 2017 - Full specifications (top trim). The car is a Cadillac CT6 (Premium) model year 2017. Mileage is 89,000 km only (real and very low mileage). The exterior color is distinctive and unique (color-changing paint that shifts under sunlight - purple/violet). The interior is luxurious natural leather in royal beige (like new from the agency). Full technological and luxury specifications. Premium sound system.