40 years, 40 figures, 40 images: fascinating facts and tales about Audi’s quattro technology

30 milliseconds is how long it takes for the Audi e-tron and e-tron Sportback to shift torque from the rear axle to the front axle. It takes three times as long for a human to blink. No mechanical clutch is engaged with the electric all-wheel drive; instead, electricity is simply distributed – and with lightning speed, too.