Maruti Suzuki Alto (2019-2023) mileage varies, depending on the variant. The petrol-manual variant of Alto (2019-2023) has a mileage of 22.05 kmpl. The petrol-automatic variant of Alto (2019-2023) has a mileage of 0 kmpl. The diesel-manual variant of Maruti Suzuki Alto (2019-2023) has a mileage of 0 kmpl. The diesel-automatic variant of Maruti Suzuki Alto (2019-2023) has a mileage of 0kmpl. The cng-manual variant of Alto (2019-2023) has a mileage of 31.59km/kg. Note that the mileage figures are as per ARAI.