I bought my 13 Eco MT in November to replace my 07 G6. I have a longer commute now than when I owned the G6 and 25 mpg just wasn't enough. I knew my Cruze should get more but I didn't expect the mileage I am getting fairly consistently. First off I am averaging 37- 38, a high of 40, and when my wife drives a low of 33. It doesn't sound too impressive until I take into account what my drive includes. My home is 45 miles away from my work. Elevation a home is about 5600 ft above sea level, during my 45 mile drive to work I climb to 6500 ft within the first 15 miles, it stays at that elevation for about 15 more miles until I reach the largest mountain at a peak of 6880 ft and finally get to go down the last 15 miles to a final elevation of 4200 ft. Going to work I can get stellar mileage due to the large downhill the last third, but remember that I have to drive back up that very same hill going home. So overall I am extremely pleased with what this little engine can accomplish. Kudos to the design team for the ECO.