2024 Sierra Denali Ultimate 2024 Specs

2024 Sierra Denali Ultimate 2024 Specs. Select a sierra hd denali ultimate below to view specs. The 2024 gmc sierra hd denali ultimate, refreshed for the 2024 model year, is gmc's most premium, luxurious and technologically advanced truck yet.

Thanks in large part to the 6.6l l5p duramax. The 2024 gmc sierra 3500hd denali ultimate is the ultimate towing machine right when it rolls off the lot.