Well it's a much more luxurious vehicle and better in many ways, but I have had to focus hard to get the 39+mpg I'm seeing with it, the civic did over 40 on its last tank far easier. Had I had a gauge/economy reading similar to the corolla's in the civic I have no idea how much better it would have gotten but I believe significantly better
I'm currently looking for a inexpensive small pickup however as I have much more need for that type of vehicle.