Maruti Suzuki Swift Dzire comes in both diesel and petrol variants and both the variants consist of 4 cylinder in-line arrangement in the engine. The petrol version of the car is powered by a 1.2-litre VVT K-series engine, while the Dzire diesel version houses a 1.3-litre DDiS engine. Both the diesel and petrol versions of the car come mated with a 5-speed manual transmission, only the top-end variant Swift Dzire VXI is available with a 4-speed automatic transmission. Both the engines are fine-tuned and churn out enough power with a superior fuel efficiency. The engines work fine on both low and high rpms and has a strong mid range. So, the overall performance of the car is good and that's the reason behind its success.