I have a 2009 vibe 1.8 auto with 7,000 miles. I have not had the great gas mileage I have with my 04 with the same motor and trans. I have noticed that the 09 runs about 200 RPMs higher than the 04 at 70 mph under identical conditions. Whith the 04 I have to push nearly 80 mph to hit 3200 rpm. I hav...