The 1.2 litre K-Series engine will help in two ways. Better mileage and lesser duties. The Indian Government gives excise benefits to petrol cars having engine capacity less than 1200cc. So that will amount to 4% excise duty reduction on the Swift petrol, the Swift diesel already gets this benefit. Can we expect a reduction in the price of the Swift petrol? Your guess is as good as ours.
(source:Motorbeam.com)