Equipped with a Fiat-sourced 1.3-litre DDiS 200 engine, the Maruti Ciaz diesel is one of the most frugal sedans out there. But Maruti recently added a new, in-house developed 1.5-litre DDiS 225 option to the Ciaz’s engine lineup. Being a bigger motor, it is quite naturally more powerful and torquier than the smaller 1.3-litre engine. But does that mean a comparatively lower fuel efficiency figure as well? We test drove the Ciaz 1.5-litre diesel to find out and here are the results.