No official word yet on a permanent halt to Silverado HD production as reports indicate the Silverado 4500HD, 5500HD, and 6500HD are being discontinued as part of a contract non-renewal with International Trucks output is slated to end by September 30, 2026. Reports say Springfield, Ohio assembly lines are affected driven by soft demand for diesel-powered commercial vehicles, but consumer Silverado pickups (1500/2500/3500) remain unaffected. A portion of Express/Savana Cutaway family may also be impacted, GM has not detailed replacements for the medium-duty lineup.