Please give for both type of cars that is petrol and diesel. l will request the answer form those who have driven the car in such conditions. Thanks

l knw only for ac ...my personal ezpe: on city 14 avg.n on highway its go upto 18 n above..

For petrol, with A C
in city - 12 Kpl
in highway - 15 Kpl

For Diesel, with A.C
in city 18 Kpl
in highway - 20Kpl

FUEL CONSUMPTION DEPEND TOTALLY ON WAY YOU DRIVE AND WHERE YOU DRIVE.
IF YOU ARE SOFT FOOTED AND DRIVE WITH A GOOD AVERAGE SPEED, CONSUMPTION COULD BE 14K/L(PET)/18K/L(DIE).
IF YOU DRIVE HARD WITH SLOW AVERAGE SPEED, IT CAN DIP UPTO 10K/L(PET)/15K/L(DIE).
THIS IS WHAT l WAS ABLE TO GET OUT OF SWIFT..

depends on ur driving conditions do u drive rashly or calmly do u drive on tarmac or gravel there r several things.... by the way the mileage will be as follows:
Maruti Suzuki Swift (Petrol): 14-15 kpl
Maruti Suzuki Swift (Diesel): 18-27 kpl

Petrol
Mileage-City 12.2 kmpl
Mileage-Highway 16.1 kmpl
Diesel
Mileage-City 14.2 kmpl
Mileage-Highway 17.8 kmpl