GM Defense just showed up to the Army's biggest trade show with a driverless Silverado. At the AUSA 2026 Annual Meeting on October 12, the General Motors subsidiary unveiled an unmanned ground vehicle built on the Chevrolet Silverado 3500HD.

Alongside it came news that the Army's infantry truck order has grown nearly twentyfold.

The Army's planned Infantry Squad Vehicle fleet has jumped from an initial 649 units to nearly 12,000 vehicles. That expansion, paired with a new autonomous logistics truck, signals how deep commercial GM hardware is now embedded in military planning.

The Infantry Squad Vehicle and its heavier sibling, the ISV-Heavy, both trace their roots to existing Chevrolet truck platforms. The current ISV is based on the Chevrolet Colorado ZR2 architecture. ISV-Heavy is still in a competitive prototype phase, with GM Defense, Ford and BC Customs each developing designs.

GM Defense self-funded development of an ISV-Utility variant and delivered seven prototypes to the Army for unit-level assessments at no cost. The five-soldier version is expected to field across 39 active-duty and National Guard mobile brigades once production ramps up.

Separately, the Army awarded ISV-Heavy prototype agreements to GM Defense, Ford and BC Customs in late June 2026. Each company must deliver three prototype vehicles by March 30, 2027. After that, the Army will run operational assessments to shape a potential buy of about 606 ISV-Heavy trucks.

Public descriptions of GM Defense's ISV-Heavy focus on it as a heavier Infantry Squad Vehicle built from commercial truck underpinnings, with electrified options under consideration.

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