"Active chassis package($3,300 when purchased new), Enhanced vision and comfort package($2,025 when new), Active Chassis Package, Active Rear Steering, Bose Premium Surround Sound 10-Speaker System, Comfort Package, Dual Zone Automatic Climate Control, Electronic Automatic Cruise Control, Enhanced Vision & Comfort Package, Heated Power-Adjustable Outside Mirrors, Inside Rear-View Auto-Dimming Mirror, Leather Seating Surfaces w/Chevron Perf Inserts, OnStar 1-Year Guidance Plan, OnStar 4G LTE, OnStar Basic Plan For 5 Years, Preferred Equipment Group 1SD, SiriusXM Satellite Radio & HD Radio, UltraView Power Sunroof, Ventilated Front Seat Cushions & Seatbacks, Wheels: 20"" x 8.5"" Ultra-Bright Machined Aluminum. Black Raven 2017 Cadillac CT6 3.6L Luxury AWD 8-Speed Automatic 3.6L V6 SIDI DOHC VVT Recent Arrival! Odometer is 21141 miles below market average! 18/27 City/Highway MPG Reviews: * Plenty of rear passenger space for adults; engaging driving experience for a large luxury sedan; V6 engines are respectably powerful and fuel efficient; priced less than many other competing sedans. Source: Edmunds"