Assalam-o-Alikum! I drive a Kia Classic which my Grandfather bought back in the year 2000. He ran the car on petrol until January 2005 when he died, my dad and my uncle already owned cars so they didn't need to drive it. I was 7 then. The car remained parked in our garage for 2 years after that. My father or uncle would drive it sometimes and my father did not allow anyone except my uncle to drive it. The car had been on petrol for 11 years and we got CNG installed back in May 2011 as my father was going to Canada and no one could afford it's petrol expenses. Now the real problems start from here. I was 14 back then and was not that intelligent. I drove the car roughly sometimes, but did not do drifting. As everyone calls it "hath saff karna" on the car. The CNG ruined the car. It's engine was done in January this year. The car's engine is now perfect. It goes 0-100 in 12 seconds now, on petrol. Recently got a new battery installed. I have tried my level best to keep the car safe and sound. But my driver has I think so put a dent on the rear door. Also the bumpers have to be re-painted as I was not in my house for like a week or two thanks to my driver. It front fender is now rusting because of Mud Flaps not installed. I will post some pictures so that you guys can see and suggest that what I should do. Cheers!