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GM Receives $36.4M Contract to Deliver Suburbans to State Dept.

Rendering of a GMC Suburban with disguised police lights
The U.S. Department of State has awarded GM Defense $36.4 to deliver heavy-duty Suburbans for the department’s Diplomatic Security Service. // Courtesy of GM

The U.S. Department of State has awarded GM Defense, a subsidiary of General Motors Co. in Detroit, a contract to develop and validate next generation Large Support Utility Commercial Vehicles (SUV) for future fleet production in support of the Department’s Diplomatic Security Service (DSS).

As part of the total development contract valued at $36.4 million, GM Defense will create a purpose-built Heavy-Duty (HD) Suburban, building 10 vehicles over the next two years.

GM Defense will deliver the vehicles in two phases, the first delivery of which will be next spring. A production contract to build a fleet of 200 HD Suburbans per year for nine years is expected to succeed the completion of the development contract in or about May 2023.

GM’s defense unit will use commercial-off-the-shelf parts, including the body, exterior, propulsion, interior, and brakes for their government, purpose-built HD Suburban.

The HD Suburban will feature a new and unique body-on-frame chassis and suspension, designed to specifically support increased government vehicle performance requirements with a higher payload capacity and greater ground vehicle weight.

GM Defense will use advanced manufacturing tools and techniques, including fixtureless assembly and flexible fabrication, to support increased efficiencies and quality in low-volume production of the new chassis and frame. The advanced manufacturing techniques will help to reduce overall program costs and offer greater flexibility and responsiveness to address future customer needs.

“We’re excited to be developing a fully integrated, purpose-built HD Suburban in partnership with the U.S. Department of State,” says Steve duMont, president of GM Defense.

GM Defense delivers integrated vehicles, power and propulsion, and mobility and autonomy solutions to global defense, security, and government markets.

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