2025 Gmc Sierra 2025 Redesign News. As a reminder, the 2025 gmc sierra hd offers two powertrain options, including the naturally aspirated 6.6l v8 l8t gasoline engine, as well as the 6.6l v8 l5p turbodiesel. Enthusiasts also expect changes under the hood and a departure of v8 engines.

The 2025 sierra 1500 is expected to be a carryover. Experience the future of pickup trucks with the 2025 gmc sierra.