I looked at all the competitors - BMW 5 series, MB 300's, Lexus 300's, Acura TL and RL, Audi, and Infiniti M35/45. The Cadillac has edgier styling, better or as good as interior than all but Audi (BMW was pitiful). It also has better build and reliability than the European cars, more fun and masculine than Lexus or Acura. Only the Infiniti was close. It has more toys for the money and the option packages made more sense. But the STS is stylish, roomy, confortable and a great drive. Best of all, it's made in America.
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