I just moved from CT down to NC this week. I had the caliber filled to capacity from front to back and top to bottom; except front two seats for me and my dog lol. I had a 2009 before they made some minor changes to the 2010 model and I have to say I really like the little things they did, such as, the padded door rests, door lock out of the way now, forward and back adjustable head rest and as well the whole center console and dash. Anyways, on the trip down there with the A/C on the whole way and car filled with stuff I ended up getting 29.8 mpg on one tank (lots of hills in PA), 31.7 on next and 32.1 on the last tank. I was extremly impressed! With all that weight from all the stuff in the car and the A/C blowing; I couldnt ask for more!