B bradster92gmcjimmysle New member Joined Sep 21, 2011 Messages 16 Reaction score 0 Points 0 Location North, Florida Nov 11, 2011 #1 im looking at buying a 2004 GMC Sierra 3500 SLE1 4WD flatbed 5thwheel with a 8.1L V8 OHV 16V engine anyone know the mpg i can expeect and any coments on that truck
im looking at buying a 2004 GMC Sierra 3500 SLE1 4WD flatbed 5thwheel with a 8.1L V8 OHV 16V engine anyone know the mpg i can expeect and any coments on that truck
Z Z15 New member Joined Jun 2, 2010 Messages 443 Reaction score 0 Points 0 Location Michigan Nov 11, 2011 #2 10mpg is is about as good as you will get, even worse when loaded down and towing. I had a K2500 Suburban for GPS survey and that all it could get from that rig. Last edited: Nov 11, 2011
10mpg is is about as good as you will get, even worse when loaded down and towing. I had a K2500 Suburban for GPS survey and that all it could get from that rig.
