CIVIC 91 ---- between 250,000 and 300,000 you will get an excellent car with CNG
LANCER 91 ---- between 250,000 and 275,000 you will get a super car with CNG.
COROLLA 86 ---- between 300,000 and 350,000 you will get a great car of a reconditioned quota of 94 or 95 but without CNG.
I would personally go for a Corolla 86 quota 94 and if you can arrange 385,000 then check out my Galant 90 with CNG. 
