Gmc Sierra 2024 At4 Motorisation. 2024 gmc sierra 1500 at4x adds torquey duramax diesel engine. Select a 2024 gmc sierra at4 and at4x hd to view feature and capability specs on the official site.

2024 sierra at4x gets duramax diesel power. Detailed specs and features for the 2024 gmc sierra 1500 diesel at4 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type,.