Hi Graham.
93 octane for the NC? You may be better off with "regular," fuel (87 pon) as recommended by the manufacturer.
Here on the west side of the country, it's $1.19 - $1.29 per litter (CDN). Recall the Imperial gallon where most of our friends is larger than "our," gallon we buy across the line in the US. Thus, the higher MPG figures than we are accustomed to, especially when comparing with US magazines/forums.
I use the NC for commuting and touring - consumption varies widely depending on conditions. I find the uh, modest horsepower is taxed by elevat