Thread: GMC HD2500/HD3500 fuel milage ?
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Old 09-22-2017, 09:21 AM
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zewks zewks is offline
 
Join Date: Oct 2008
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I have a 2015 2500HD, 4:10 rear and 20" Toyo Open Country.

Typically I get 18l/100.

Towing my 30 ft holiday trailer i get around 26l/100.
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