- 2007 Cadillac STS VIN 1G6DW677570159664 - Used Cadillac for sale from Keyes Audi by EveryCarListed.com Interested in the comfort and ease of a luxury car? Check out this roomy White 2007 Cadillac STS with a Black interior. Inside, you'll find a AM/FM Stereo, Navigation System, Audio System Premium Brand Speakers: Bose and more. You can also ride with confidence with the Braking Assist and more. We would love to talk to you more about this STS. Please contact us for more information.