I have a 2011 Honda Accord (inline-4 engine) that gets, on average, 29 miles per gallon, and holds 18 gallons of fuel. I've easily done over 400 miles on a sing

I have a 2011 Honda Accord (inline-4 engine) that gets, on average, 29 miles per gallon, and holds 18 gallons of fuel. I've easily done over 400 miles on a single tank, and have even come close to 500(though at that point I was kind of sweating bullets thinking I'd get stranded).