For a smoother ride, opt for this 2017 Cadillac CT6 3.6L Luxury with a backup sensor, blind spot sensors, parking assistance, a navigation system, stability control, and OnStar Communication System. It has a 3.6 liter 6 Cylinder engine. We've got it for $68,010. Exhibiting a sleek gray exterior and a jet black interior, this vehicle won't be on the market for long. This vehicle comes equipped with a built-in navigation system. Call today to schedule your test drive! Contact Information: Bergstrom Cadillac of Madison, 1200 Applegate Rd., Madison, WI, 53713, Phone: (608) 271-2211, E-mail: email@example.com.