Tata Nexon (2020-2023) mileage ranges from 17.40 km/l to 22.40km/l, depending on engine type and transmission. The petrol-manual variant of Nexon (2020-2023) has a mileage of 17.40 km/l. The petrol-automatic variant of Nexon (2020-2023) has a mileage of 16.30 km/l. The diesel-manual variant of Tata Nexon (2020-2023) has a mileage of 22.40 km/l. The diesel-automatic variant of Tata Nexon (2020-2023) has a mileage of 22.40km/l. Note that the mileage figures are as per ARAI.