I have installed an imported LPG kit from one of the OMCs (Oil Marketing Companies). The experience is worth it. My car was only on Petrol before this. The specs of the kit are as follows,
- LPG Tank Capacity: 60 Ltrs.
- Total mileage on one full tank: approx 530Kms.
- Price per tr of LPG: Rs.59/ltr.
- cost of kit: Rs. 33,000/- (at the time when i installed it in around September 2013).
The lpg can be easily filled from stations located at Shahrah e faisal. No hassle of dismantling the lpg cylinder (unlike the traditional method) simple dispenser filling technology. About the power its better than petrol as my car knocks on regular petrol (requires hi-octane). Overall the experience is worthwhile. The best part is that this is moist gas unlike CNG which is dry, but this does not mean that you don't run your car on petrol (you will still need to run sometimes on petrol to petrol sludge from accumulating in your petrol tank). The car is a Mitsubishi Lancer Super Saloon 1.3ltr. Cheers