2024 Gmc Denali 2024 Duramax Diesel. Current truck is a 2014 duramax with the 6 speed. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.
For 2024, that same gearbox will find its way behind gmc’s. Gale starts by saying, โthis is data that you wonโt find on a spec sheet!โ this new engine will be available in the 2024 chevrolet silverado and gmc.