2024 6.6 Duramax Mpg. I replaced a gmc 2500 duramax, 6 speed 3:73 gearing, got 9 to 11 towing. 2024 gmc sierra 2500 hd mpg.


2024 6.6 Duramax Mpg

The 2024 zr2, despite weighing an extra 145 pounds and wearing goodyear wrangler territory mt tires, dispatched 60 mph in 6.8 seconds and cleared the quarter in 15.3 seconds at 89 mph. Last 4,000 miles of mixed driving local, interstate towing and not, averaged 7.4 mpg.

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2024 6.6 Duramax Mpg