sb difference fuel consumption
My 318 gets 12 mpg at best :-D 3.91 gears and 26 inch tires means the rpms stay up.
I found the more power you have the more you will use it...not all of it but enough to eat up your mpg.
I dive my old mans new Buick car and it passes cars on the freeway so slow...even when floored. My ride I can zip pass cars at 1/4 throttle and do
Be interesting what the mileage would be at a steady 55 mph but I just can't do it long enough to check and see.