Prying satisfied customers out of their Audi A4s, BMW 328s, and Mercedes-Benz C350s might seem tougher than establishing democracy in Afghanistan, but conquest sales will have to play a huge role in the success of the new Cadillac ATS. The brand desperately needs a successful entry luxury car because that’s the bestselling segment in the premium-car world. It’s all wrapped in modern and attractive sheetmetal styled with a softer take on Cadillac’s Art and Science design philosophy. The whole shebang is 8.5 inches shorter than the CTS. The ambience feels stylish and rich, and we were immediately able to find a comfortable driving position.