The 100,000th car is a white Quattroporte GranSport MY17 destined for China, the largest market for the brand's flagship saloon.
The six-millionth quattro equipped Audi left the production line at Ingolstadt late last week - only about 18 months after the five-millionth quattro model.
Audi has produced its 5 millionth quattro all-wheel drive system equipped vehicle - An A6 allroad - 33 years after the introduction of the Quattro vehicle.