Tata Nexon falls in the price bracket of Rs. 6.99 - 12.7 Lakh (ex-showroom, Delhi). For the CSD prices ... you may follow the link for an estimated on-road price.
depends on your driving style and traffic and road conditions. I tested tge mileage on highway at cruise control speed of 80 and I got almost 23.6 kmpl in petrol version.