Tata Indigo XL returns around 12 kmpl mileage with petrol and around 21kmpl with diesel, which is decent. The 1.4-litre petrol engine has been tuned for more power than the fuel efficiency, which is the reason behind its low mileage figures.
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To know more details of the car, please do follow the site: http://www.cardekho.com/carmodels/Tata/Tata_Indigo
The all new Chevrolet Aveo CNG, a bi-fuel sedan is equipped with a full size petrol tank. In the normal condition, Chevrolet Aveo CNG is a BS IV vehicle and it can run 180 to 200 kms by a full tank of CNG. To know more details, please follow the site: http://www.cardekho.com/carmodels/Chevrolet/Chevrolet_Aveo