Maruti Ciaz receives a bigger 1.5-litre diesel engine: Maruti is all set to offer a bigger, more powerful and torquier diesel engine with the Ciaz along with the 1.3-litre MultiJet from Fiat. Fuel efficiency from the 1.5-litre is just a bit down from the 1.3-litre despite a missing mild-hybrid start/stop system. What are the specifications and how much premium does Maruti charge for the Ciaz equipped with a bigger engine? All the answers here.