Quote Originally Posted by GTScoob
Your factors of varying drivetrains will show up in the mpg results since AWD gets worse mileage than FWD or RWD. Similarly the weight is built in because mpg is a function of weight.
Are you going to put number of cylinders into this too? Ask that because I put 263 down on a Dyno Dynamics and im getting right around 20 mpg....which is basically the same as you. I also have 2 more cylinders and a higher displacement than you