- Used 2006 Cadillac STS VIN 1G6DW677660189187 from Century Buick Pontiac GMC by EveryCarListed.com Interested in the comfort and ease of a luxury car? Check out this luxurious White 2006 Cadillac STS with a Ebony interior. Inside, you'll find a AM/FM STEREO, CD PLAYER, Audio system security and more. You can also ride with confidence with the CHILD SAFETY LOCKS, DAYTIME RUNNING LIGHTS, FOG LIGHTS and more. We would love to talk to you more about this STS. Please contact us for more information.