Robby9
Jun 27, 2013Explorer
Fiberglass vs. Aluminum mpg's
My new fiberglass TT is 2' longer and 600lbs heavier than my former aluminum sided TT. (the old rig did have a rounded fiberglass front.) On a 400 mile trip this weekend I got 1 mpg better than usual. I've read that smooth fiberglass gets better mileage, but I didn't really believe it.