Specifications of Honda Mobilio The Diesel engine is 1498 cc while the Petrol engine is 1497 cc . … Depending upon the variant and fuel type the Mobilio has a mileage of 17.3 to 24.5 kmpl. The Mobilio is a 7 seater and has length of 4386mm, width of 1683mm and a wheelbase of 2652mm.