These are all excellent posts, plus winter is a poor time to judge gas mileage. You will be lucky if you see 18 this summer though. My N/A SE's window sticker punched in at 16/20 and that 20 is rarely seen. 19 is the best of the bunch. This winter without the need for 4 wheel drive I see 16 alot, so please don't feel to bad. I went with the SE over the SE S/C just for the extra fuel mileage, and it ain't there. If I would have known what I know now I would have went with the supercharger.