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Gas mileage on 2004 2500

Jeff862

Full Member
Joined
Sep 8, 2003
Messages
77
??? I am looking into buying a 2004 Avalanche 2500 that only comes with the 8100 engine. What kind of gas mileage can I expect? The window stickers don't say any. I wanted the 1500 but I also want to install a snowplow and the only snowplow package is for the 2500, thus the bigger engine. I am new this site but could use ALL THE HELP I CAN GET!!! It says only one topic per listing so my next one is putting a plow on the 1500.
 
Welcome to the club....I suggest a search as many have posted in various threads about their mileage with the big rat motor....
 
I have a 2003 2500.....I get about 13.5 on the open road.
A little less when driving in the Rockies. I also carry a payload of about 900lbs in the bed. I am guessing you could do a little better with a lighter load. I am acually pretty happy with my 13mpg. I got 9 adn 11 at the most on my 2500 Suburban.
 
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