in both my supras i've never had the gas light come on i don't think it works, and on my 85 my gauge is off, but on my recent trip to florida driving from ohio to there, running anywhere from 80-90 on the freeway i averaged around 26 or 27 mpg, its hard to get all the gas in the tank sometimes but i beleive it was around 320 or more, i can't remember exactly but it was over 300 and in the city around columbus when driving like a racer i get about 270 a tank...my 84 used to get around 300 in city if i pushed it....they are really bitchy with the gas, the milage fluxuates a lot.....i know i'm just blabbering but i'm about to fall asleep and i lose a damn hour of sleep.....argh, gotta get up early