525 miles round trip: I24, I75 to Pigeon Forge TN. 8.2mpg hand calc (meh), EVIC was consistently at least 1 mpg optimistic and speedometer was 1-2 mph optimistic too. Cruise set on 65mph, truck held the speed well. TST and Waze GPS both indicated 63mph instead of 65mph.
Included a 4.5 mile 6.5% uphill grade followed by a 3.5 mile 5.5% descent. 35ft TT at ~9000#
Included a 4.5 mile 6.5% uphill grade followed by a 3.5 mile 5.5% descent. 35ft TT at ~9000#