Bill, on Jul 2 2011, 09:49 AM, said:At that speed you could expect a range of 650+ miles. I averaged about 50 miles to the gallon on a 620 mile trip to Birmingham

Confused? Averaging 50mpg would give 750+ not 650+ as its a 70ltr tank.

Let us know what you actually do though as mpg has been a 'big' bone of contention for the siggy.