Come January 2012, Audi will cater to every type of visitor with its wide range of models at the Auto Expo. At one end is theQ3, the affordable compact SUV, while at the other is the camera-magnet R8 Spyder.This will be the Q3�s Indian debut and it will first be launched in mid-2012 with Audi�s Quattro four-wheel-drive system. Two engines will be offered, a 2.0-litre TFSI turbo-petrol developing