The Diesel engine is 2993 cc while the Petrol engine is 2998 cc . It is available with Automatic transmission. Depending upon the variant and fuel type the X5 has a mileage of 12.0 kmpl . The X5 is a 5 seater 6 cylinder car and has length of 4922 mm, width of 2218 mm and a wheelbase of 2975 mm.