1967 GMC C2500 MPG

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from other GMC C2500 vehicles (View All)

Hachigo87 fueled-up their 1993 GMC C2500. Last Tank: 10.6 MPG 1 week ago
Hachigo87 fueled-up their 1993 GMC C2500. Last Tank: 10.2 MPG 3 weeks ago
irtermite added a 1997 GMC C2500 to their garage. 3 weeks ago
kendavis added 1 notes for their 1998 GMC C2500. 4 weeks ago
glh2360 had 1 best tank(s) for their 1983 GMC C2500. Last Tank: 15.0 MPG 4 weeks ago

Saab did testing years ago and found that most fuel efficien... ...