We have '04 Tradition with ISL(370) Cummins, F/L chassis(chassis date July '03). We are about 3900 miles into our Alaska trip with an MPG average of 6.3. In the C/G I met a couple with an '05 Traditio...
Are both coaches the same size, are the pulling the same weighted toad, does he drive the same speed as you, did he go over the same highways as you????
There are so many different aspects to getting good mpg.