HomeAll RepliesReply To: 2500HD Diesel Denali how long does it really take Reply To: 2500HD Diesel Denali how long does it really take Sponsored May 3, 2021 at 11:59 pm #653082 Krp88Participant Anyone still waiting on delivery? Going on 8 weeks with nothing yet. (ordered 3/10/21). Haven’t heard from the dealer other than the truck as been accepted. Hearing 12 weeks is the new normal. Does that still ring true for 2021 Sierra 2500HD? Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored