What is the mileage of Skoda Superb 2016-2020 on highways and City?

The diesel variant of Skoda Superb gives a mileage of 13.0 kmpl and 17.2 kmpl in city and on highways, whereas the petrol manual covers 8.9 kmpl and 13.1 kmpl in city and on highways. Furthermore, the mileage of petrol automatic is 10.3 kmpl and 13.7 kmpl in city and on highways respectively.