Kia Seltos (2023-2023) mileage varies, depending on the variant. The petrol-manual variant has a mileage of 16.50 km/l. The petrol-automatic model has a mileage of 16.80 km/l. The diesel-manual variant has a mileage of 21.00 km/l. The diesel-automatic model has a mileage of 21.00km/l. Note that the mileage figures are as per ARAI.