Cadillac's full size sedan is all new for 2005, rounding out the luxury marque's self-proclaimed renaissance with a bevy of performance-oriented credentials, including rear-wheel drive and two powerful engine options. After struggling for years to keep up with the imports, Cadillac has finally hit its stride and the STS proves it. Balanced driving dynamics and edgy-but-attractive styling should make this car a hit with buyers of all ages, especially those looking for a complete package of luxury and performance at a competitive price.