Class A Fuel Mileage
I am trying to find out the average fuel mileage for the new Tiffin Allegro Red 34 Diesel. It has the 340hp Cummins with the Allison 2500 transmission. However, it only has 660lb.ft. of torque (prob...
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7.5 on my C7 cat towing a cherocar, 8.5 with a tailwind going downhill ;)
