i have khayber 97... my car was 1st owner and he drove totally on petrol.. after i bought i installed CNG kit on it with 50kg Cylinder on it. initially the average of CNG was about 80 to 85 km only... i checked the dealer where i bought CNG kit they said fill CNG Full and drive until its empty 2 to 3 times.. now on i am getting average of 130 km on 50kg Cylinder full CNG around 7.5 kg filled. on highway it is giving me around 170 km.
Question is my car giving me the right average or less ??