BMW and Audi, both hold a superb fantasy among class lover people. Both these brands are constantly working hard to give more then what people expect from a car. These companies are the creators of masterpieces in the automobiles industry and both launch the cars in almost the same concept. The engines from BMW are known for their performance and reliability, whereas after the introduction of Audi Quattro engines, people have gone close to Audi as well. No doubt, Audi is an out performer when it comes to all-wheel drive systems.