No official word yet on a permanent halt to Silverado HD production with reports indicate the Silverado 4500HD, 5500HD, and 6500HD are being discontinued in a contract non-renewal with International Trucks output is slated to end September 30, 2026. The move reportedly affects Springfield, Ohio lines driven by weak demand for diesel commercial trucks, 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.