Ron Carter 5-Star Promise: We Deliver Cadillac Test Drives to Your Door, We Will Beat Any other New Cadillac Dealer offer by $1,000, We Will Buy Your Car for $500 More Than Anyone, Loaners for Owners Delivered to Your Door. See Ron Carter for details. Picture yourself in this beauty. The CT6 competes with full size luxury cars such as the BMW 7-series, the Audi A8 and the Mercedes-Benz S-Class.. Does this deal seem too good to be true? It's just our everyday low prices! A perfect cold weather car featuring heated seats. You don't have to drive all over town...we have the vehicle you need in stock. You can open the sunroof and feel the fresh air in this CT6. Features include: a great fuel rating (EPA estimated 21 MPG combined), backup camera, anti-theft system, a cabin air filtration system and extremely convenient cruise control. Offers to purchase may only be made following purchaser test drive. No dealers.