im was on the lookout for an lpg disco but couldnt find a decent one in my price range ive now been offered a petrol one 1998 with 73000 miles on the clock its got rust in the rear arches ive had a quote to get these repaired which the seller will take of the price what i want to know is are these cars very thirsty as it wont be used everyday also are these expensive to get converted to lpg as i could do this at a later date and as i say i am getting this car for a good price thanks for any replies.