2024 Gmc 2024 At4 Hp. 13.4 diagonal center touchscreen and 12.3 diagonal digital driver information center. The 2024 sierra 2500hd i drove featured the duramax diesel and the prograde trailering system.
View detailed specs, features and options for the 2024 gmc sierra 1500 4wd crew cab 147 at4 at u.s. Super cruise works with a trailer, but there is more new trailering tech for 2025.
