Explore the best mileage CNG cars in India with top fuel efficiency. Check out popular models offering superior CNG fuel mileage for your daily commute. Meet the New Tata Altroz iCNG – the only CNG hatchback with twin cylinders under the boot for unmatched luggage space. Starting ₹7.89 Lakh". Stylish, safe, and fuel-efficient. Schedule a test drive today! CNG SUVs: Explore the rising demand for CNG vehicles in India and the latest affordable factory-fitted CNG SUVs from top car manufacturers. Cars News: The Grand Vitra CNG will be powered by a 1.5-litre NA Petrol engine which produces 103hp and 136Nm in petrol mode and 88hp and 121.5Nm in CNG mode.