Quattro vs Xdrive (Answer to BMW video)
BMW X1 vs Audi Q3.two runs for both cars, first with ESP on, and second with ESP off. The same conditions, the same tires p.s. Watch This Guys!! http://tinyurl.com/Super-Audi-Options
Audi quattro on ski jump
Audi: The quattro principle
quattro four-wheel drive enjoys a lengthy tradition. The principle involves distributing the engine's power permanently and optimally between all four wheels.
Lexus ATC vs. Audi Quattro vs. Acura SH-AWD
AWD comparison test at AET (Automotive Enviro Testing) in Baudette, Minnesota. Audi's Q7 Quattro (TORSEN Torque-Sensing AWD) versus Lexus RX350 ATC (Active Torque Control AWD) versus Acura's MDX SH-AWD (Super-Handling AWD).