i am a proud owner of lancer 2005 a/t 1.6 glx and its a very comfortable car with lovely drive and its giving me 14 kmpl in city on petrol but no idea about cng and yes the parts are little expensive but easily available new and qabali (used) as well as a few daus ago I bought ignition coils in 13000 rupeses with wires and the new ones are 25000 and wires for 5500 at Mitsubishi I-9 and the used ones are doing well , if u want any other info u can ask me