New 2024 GMC Sierra HD 2500 & 3500 - FIRST LOOK at GMC Heavy Duty Exterior & Interior 2023 Refresh

The all-new GMC Sierra Heavy Duty 2500 and 3500 2024 model year has been already officially revealed with Denali HD and AT4 HD trims, about a week after Chevrolet Silverado HD was presented. Other trims - Pro, SLE, SLT, AT4x coming later in 2023 before sales start. New exterior, new interior, new colors, upgraded engines and specs. Let&watch the official video footage of the new heavy duty truck from GMC. 0:00 Intro 0:36 Quick Overview 1:24 Dimensions 2:00 New vs Old Interior 2:08 New vs Old Exterior #GMCSierraHD2024