2024 GMC Sierra HD - GMC seems to make a surprise for its lovers through the latest GMC Sierra HD pickup. This brand is about to introduce a heavy-duty model with several improvements. Check the details and the changes of the GMC Sierra HD version below and if it is compared to the 2023 GMC Sierra HD. Plus, when you can see this vehicle on the market. 2024 GMC Sierra HD … [Read more...] about 2024 GMC Sierra HD – Specifications, release date, Price