my son just got back from Missoula,Montana on July 8th from trout fishin with my 2017 Silverado 5.3 we live in northern Minnesota, my son drives fast always 75-80 miles an hour on freeway his average including in the mountains > son averaged 18 mpg. with 2 kayaks on topper carrier too.


LIFE NRA , we vote Red up here, Norseman