2024 Gmc Sierra Hd Truck. Gmc sierra 3500 hd spec highlights. The interior of the pro makes it clear this is the starting trim of the 2024 gmc sierra 2500 hd compared to what else is available.
The sierra 3500 hd denali ultimate pickup truck comes in a 4wd crew cab model with either a 6′ 9 standard bed or an available 8′ long bed. Both the gmc 2500hd and 3500hd receive updated styling inside and out for the 2024 model year.