According to the manual, the gas light should come on when approximately 2.2 gallons are left in the tank, so the number of miles left depends on conditions. If you're doing about 55 miles per hour, I think at least 60 miles would be do-able, maybe 70, but I wouldn't want to test the theory myself enough to find out for sure.
I have pushed it probably 50 miles though. I was lucky enough to have the roads to myself, so I was doing 50 mph in a 55mph zone, which seems to be the most efficient speed, at least in my automatic transmission. I use ultragauge to judge instantaneous fuel economy, by the way.
its harder on your fuel pump when you do that,more then likely early failure
2006 Scion tc Classic Silver
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i got over 70 miles trying to find a gas station in death valley. thought for sure i was gonna run out. its a 14.5 gallon tank and when i filled up, i put 14.35 gallons in it, lol. so id say try not to go any more than 50 miles if you can help it
Ya i did anywhere from 60 to 75 miles on the fuel light. i left my house for class when i first got the car and i was late so i drove 30 miles or so there and then i forgot to fill up until i got back towards home. the only time i've seen 14 gallons on the pump since i traded in my truck