2024 Fuel Mileage 6.6 Duramax Diesel. It completes a quarter mile run in 14.9 seconds. Looking at a new 2024 at4 and just curious if the 10 speed transmission helps with mpg.
From a standstill, 60 mph arrives in 6.4 seconds. Our truck tips the scales at 5,770 pounds, with a full tank of fuel and no.