Originally Posted by RaY YreKa
I think the tank on the X is bigger too, but I could be wrong. If it gets close to the 76mpg (imperial) that Honda claim, then I guess we're looking at a 250-275 mile tank range, maybe a bit more. For half what it costs to fill something like an 1150GSA for about the same mileage.
The 500X has a 4.5 gallon (US) tank. The 700X has a 3.7 gallon (US) tank. That is 21% more fuel capacity for the 500X.