GM has not publicly confirmed a permanent end to Silverado HD production according to reports indicate the Silverado 4500HD, 5500HD, and 6500HD are being discontinued in a contract non-renewal with International Trucks production is set to end by September 30, 2026. Reports say Springfield, Ohio assembly lines are affected driven by weak demand for diesel commercial trucks, while consumer Silverado pickups (1500/2500/3500) would continue unaffected. Some reports indicate broader Express/Savana Cutaway variants may be impacted, no replacements for the medium-duty lineup have been detailed by GM.