The Audi A4 sedan is not just a good car, it's one of the best. In almost every way, it stands among the class leaders of the luxury small car segment, starting with its first-rate cabin. Leather seats are standard (a treat missing in base Mercedes Benz C Class, BMW 3 Series, and Cadillac ATS models, and its interior styling is both contemporary and sophisticated. Cutting-edge technology is prevalent throughout, from the responsive infotainment system to the multitude of advanced safety features.