Tata Motors today took the covers off the world s cheapest car — the Nano . The four-door Nano is a little over 10 feet long and nearly 5 feet wide. It is powered by a 623cc two-cylinder engine at the back of the car. With 33 horsepower, the Nano is capable of 65 miles an hour. Its four small wheels are at the absolute corners of the car to improve handling. There is a small trunk, big enough for a duffel bag. with carcheapest Note: Tata Motors today took the covers off the world s cheapest car the Nano .