STS is a Cadillac for people who like to drive. It benefits from GM's newest V6 and V8 engines, which boast the latest in computerized engine management and variable valve timing. The result is smooth, efficient power. For more powerful grand touring, the super-performance STS-V adds supercharged velocity.The Cadillac STS offers a choice of suspensions, from the standard setup designed for smooth, comfortable commuting to an active performance suspension that instantly adjusts to any driving situation, whether cruising through a sea of potholes or accelerating around a sweeping turn.Click here to read more