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2024 6.6 Duramax Mpg

2024 6.6 Duramax Mpg. New 2021 duramax at4 6.6l l5p with 1200 total miles. I purchased a 2022 gmc 2500 at4 with a 6.6 gasser after previously having a 2016 and a 2010 6.6 duramax.


2024 6.6 Duramax Mpg

View detailed gas mileage data for the 2024 gmc sierra 2500hd. Our truck tips the scales at 5,770 pounds,.

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