2024 Gmc Sierra At4 2024. The most accurate 2024 gmc sierra 1500s mpg estimates based on real world results of 795 thousand miles driven in 155 gmc sierra 1500s. Find the best used 2024 gmc sierra 1500 at4 near you.
That’s about $5,800 more than the previous generation. Sb (3.0l 6cyl turbodiesel 10a) the diesel denali 1500 truck rides really well.