German luxury car maker Audi made its presence felt at the Expo with an array of unveils and special attractions. The company displayed its A3 sedan which is based on the MQB platform and once launched will be the German car maker's cheapest product in India. A3 is expected to be launched later this year with an estimated price tag of around Rs 25 lakh. The car measures at 4.46 metres in length and seats five occupants in comfort.