When it comes to mileage, it is difficult to compete with any car from Maruti. Same is the case with DZire as well. CNG model of Dzire where 31 km. Gives mileage per kg, while the petrol model also gives 20 km. Gives mileage of. The Dzire is powered by a 1.2L 12C Dualjet engine that produces 76bhp of power and 98Nm of torque.