tests the 0-100 kmhr and top speed of the 2013 Tata Nano. The Tata Nano is not only the cheapest car in India but also the cheapest car in the world, offered in three variants - Standard, CX and LX. The Tata Nano uses a 624cc, twin-cylinder engine which produces 38 PS of power and 51 Nm of torque, coupled to a 4-speed manual gearbox. The Tata Nano is a very frugal car and returns a mileage of more than 18 kml. With a weight of just 635 kgs, the Tata Nano has an excellent power to weight ratio which gives it slick performance in the city.