According to the tests conducted by Automotive Research Association of India (ARAI), Tata Nano petrol which returned a mileage of 23.6 km/litre, is the most Fuel efficient petrol engined Four-wheeler available in the Indian market. It also boasts ultra-low carbon emissions of 101 g/km.
Maruti Suzuki’s A-star which delivered a mileage of 19.6 km/litre is the second most fuel efficient. Maruti Alto, was tied at the third spot with Hyundai i10 with an efficiency score of 18.1km/litre
