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heavy_chevy29 · 03-06-2010, 08:19 PM

i have an 04 sierra 2500hd with the 6.0l. i get about 13mpg highway(thats pretty much all i due). i tow a 18ft trailor with my car on it and i get around 9mpg. not the most fuel efficient vehicle but it tows pretty good

03-06-2010, 08:19 PM	#3
heavy_chevy29 Join Date: Jan 2005 Location: boonton Posts: 639 iTrader: (1)	i have an 04 sierra 2500hd with the 6.0l. i get about 13mpg highway(thats pretty much all i due). i tow a 18ft trailor with my car on it and i get around 9mpg. not the most fuel efficient vehicle but it tows pretty good