Ciaz petrol engine has 1462 cc displacement with a mileage of 21.56 kmpl for manual transmission and 20.28 kmpl for the automatic version. Maruti Ciaz has 3 automatic versions under Delta, Zeta, and Alpha. Maruti Ciaz Diesel comes with two engine options. One with a 1248 cc 1-litre engine with a mileage of 28.09 kmpl and a 1498 1.5 litre engine with a mileage of 26.8 kmpl.