Hey, I am sharing my personnal experience after using the swift desire more than three years. If I talk about mileage that is awesome in my diesel varient with a highly efficient engine and with much better sitting arrangement. Engine cylinder with valves gives a fabulous pick up to this car what make it different from other. While on A long drive you feel more comfortable and never feel tired. A.C. Cooling is fabulous it make cool the car within a few minutes. I recommend everybody to go for it.