Initially I thought the same. But consumption is down a bit from the previous version, so range remains roughly just about the same, it´s just cheaper to run. Personally if I had the choice, I WOULD take the extra 2 liters in the tank, too, but I guess styling came in the way. The 2004-2011 650 was strongly based on the 1000-version, whereas the new one is made to be a 650. I´ve got a 2007 and 2012 right now.