GM to Start 2027 Hummer EV Production in November

General Motors will begin production of the 2027 GMC Hummer EV on November 30, 2026, at its Michigan plant.

Updated on Oct. 16, 2026 in Electric Vehicles

Bold flat-color editorial illustration of a stylized vehicle chassis on a track, evoking the precision of automotive manufacturing. — General Motors has accelerated its production schedule for the 2027 GMC Hummer EV, with assembly now set to begin November 30, 2026. AI Illustration. Upload story photo >

Live Poll

Is now a good time for you to purchase a new model year electric vehicle?

General Motors has adjusted its schedule to begin regular production of the 2027 GMC Hummer EV on November 30, 2026. This start date for the new model year is two weeks ahead of the previous December 14 schedule.

Why it matters

The shift in the production timeline at the Factory Zero plant reflects the automaker's updated operational plans for the upcoming model year. This change accelerates the availability of the refreshed vehicle platform in Michigan.

The 2027 model year features five new exterior colors, two new 22-inch wheel options, and the integration of a NACS charge port. The vehicle is built on the GM BT1 platform at the Factory Zero facility.

The players

General Motors

General Motors is a major American multinational automotive manufacturing company headquartered in Detroit, Michigan.

GMC

GMC is a division of General Motors that specializes in trucks, SUVs, and vans with a focus on performance and luxury.

The details

The 2027 GMC Hummer EV lineup includes the debut of the ICON | 25 Edition to mark the anniversary of the nameplate. Dealers were previously set up to enter order information starting October 1, 2026, followed by order submissions on November 5, 2026.

October 1, 2026: Dealers began entering order information.
November 5, 2026: Dealers began submitting orders.
November 30, 2026: Regular production of the 2027 Hummer EV begins.
December 11, 2026: Scheduled end of 2026 model year production.
December 14, 2026: Original scheduled start of 2027 production.

Roadmap

This production shift highlights General Motors' continued expansion of its electric vehicle lineup built upon the GM BT1 platform. It marks a critical step in scaling specialized electric truck manufacturing against growing competition in the segment.

Buyers interested in the 2027 model year can expect the new exterior color options and wheel designs to be available following the production launch. Dealers can now process these updated orders for customers looking to secure the newest iteration of the EV.

The takeaway

Customers planning to order the 2027 model should coordinate with local dealers to track specific configuration availability. Changes to production schedules remind buyers to verify delivery timelines as manufacturers adjust internal assembly plans.