2024 Gmc At4 Hd Colors. Here is the complete gm authority guide to the nine 2025 gmc sierra hd colors on offer for the latest model year across all seven of the pickup's trim levels. The 2024 gmc sierra hd will arrive at dealerships in early 2023 with a few changes in store.

The sierra hd also has six new exterior color choices (for extra money, of course): 13.4 diagonal centre touchscreen and 12.3 diagonal driver information centre.