All our nice cars for their own reasons, but neither the Acura or Audi say, "Luxury" as much as a BMW.. The Acura is the most reliable and maintenance free of the three. The BMW is going to be a more prestigious car. When people get used to driving German cars like a Bimmer or Audi, the Acuras and Lexus's seem so tinny and cheap.. The Audi name just doesn't quite have the prestige of the BMW. I'd get the Bimmer!