View Full Version : Mpg Gmc K3500
08-22-2007, 09:16 AM
I have a quick question. Roughly how many mpg does a Gmc K3500 dually, with the 454 in it get?
08-22-2007, 10:48 AM
Depends on how you drive, it you drive like a maniac probly around 7mpg, but if you take it easy and drive, you could probly get around 13 maby 14
08-22-2007, 10:51 AM
I had a 454 non dually. I got about 7-9 mpg.:cry:
08-22-2007, 10:56 AM
ouch. Even Hummer H2's don't get that bad.
08-22-2007, 12:44 PM
I don't think I ever heard anybody with a big block claim more than 10 mpg. Dually or no.
08-22-2007, 12:45 PM
Mileage with a gas motor, what is that?!!!!!
08-22-2007, 05:19 PM
You won't see over 12 max on the highway. 8-9 aorund town and even 7 with a lot of hauling/towing.
I talked to a guy at the gas station that has a GMC 2500 DMAX........told me he got 16mpg pull'n two horses back from PA to VA.
08-22-2007, 05:32 PM
The older 454's got bad mileage. The vortecs. Buddy of mine has one, single rear wheel and it gets 4-5 around town and 7-9 on the freeway. yuck. I remember last year I plowed with it and that thing would use a 1/2 a tank of gas on a parking lot (small). Go diesel, I get 18mpg pulling my trailer with the new nasty fuel.
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