V15 price starts from Rs. 2,15,900 and V12 price starts from Rs. 1,79,900. The claimed mileage for the V15 is 57 kmpl and for the V12 is also 57 Kmpl. In technical specifications, V15 is powered by 149.5 cc engine whereas V12 is powered by 124.5 cc engine. Click here to know the side-by-side comparison report prepared by Patuki.