General Motors has officially opened its all-new advanced design studio in Pasadena, California, marking a major expansion of the automaker’s Southern California creative operations. To celebrate the opening, GM also revealed the futuristic GMC HUMMER X concepts — highly modular mid-size electric vehicles available in both SUV and pickup truck form.
The new facility represents the latest evolution of GM’s nearly four decades of design work in Southern California and highlights the company’s growing focus on advanced mobility, conceptual innovation, and next-generation EV development.
GM Expands Its West Coast Design Presence
Located in Pasadena, the new 148,000-square-foot campus spans three buildings and houses approximately 100 employees across design, sculpting, fabrication, and artisan teams. The studio is fully equipped for full-size clay modeling, immersive digital collaboration, and prototype fabrication.
The Pasadena campus will primarily focus on conceptual design studies intended to explore future mobility ideas beyond current production vehicles. GM says the facility will serve as a key innovation hub within its global Advanced Design network, which also includes studios in Detroit, Shanghai, and the United Kingdom.
GM’s connection to Southern California design dates back decades. Legendary designer Harley Earl — GM’s first design director — was born in Hollywood and helped pioneer automotive clay modeling techniques that remain industry standards today. Since establishing a permanent Southern California design presence in the 1980s, GM’s West Coast studios have contributed to numerous experimental Corvette, Camaro, and Cadillac concepts.
GMC HUMMER X Concept Pushes EV Adventure Further
The opening of the new design center also introduced the GMC HUMMER X concept, an experimental electric off-roader created through collaboration between GM Advanced Design Pasadena, Advanced Engineering, and Advanced Manufacturing teams.
Although not intended for production, the HUMMER X serves as a rolling testbed for new technologies, manufacturing methods, and sustainable design solutions.
According to GM designers, the concept was built around the philosophy: “The courage to get lost leads us to new discoveries.” That theme shaped every aspect of the vehicle’s development, from its modular architecture to its environmentally conscious material choices.
Designed Around Four Core Pillars
The GMC HUMMER X concept focuses on four major themes: reconfigurability, capability, community, and sustainability.
Modular and Reconfigurable Design
One of the most notable innovations is GM’s FLEX FAB manufacturing system. The process allows fast, small-batch metal production without traditional stamping tools, enabling highly customizable vehicle designs with greater flexibility.
This manufacturing approach helped create the HUMMER X’s unique appearance, featuring a flat-topped silhouette, exposed precision bolts, laser-welded seams, and rugged geometric styling.
Inside, the cockpit uses stackable digital displays that can adapt to different driving situations, whether tackling rocky terrain or highway cruising.
Serious Off-Road Capability
The HUMMER X concept was engineered as a highly capable electric rock crawler. Key features include:
– Low center of gravity
– Aggressive all-terrain tires
– Beadlock wheels
– Multimatic suspension
– Removable fender flares
– Extensive underbody protection
– Instant EV torque delivery
The SUV version rides on massive 37-inch Goodyear tires, while the pickup concept uses 35-inch street-focused tires.
Built for the “Builder Maker” Community
GM says the HUMMER X targets enthusiasts who enjoy modifying and personalizing their vehicles. To support that vision, designers created the HUMMER HUB ecosystem — a suite of connected applications intended to link drivers, vehicles, and adventure communities.
One of the more futuristic ideas includes a scout drone capable of flying ahead on trails, sending terrain data back to the vehicle, and autonomously docking itself afterward.
Sustainability at the Core
Sustainability played a major role throughout the concept’s development. GM explored mono-material construction methods that reduce adhesives and simplify recycling.
Several interior components, including seatbacks and dashboard sections, are made from recycled vehicle fascias. Designers also engineered many parts for quick removal and replacement, supporting reuse and circular economy principles.
The concept even includes hidden Easter eggs, including Morse code messages embedded into the flooring and tire tread patterns spelling out the project’s guiding philosophy.
GMC HUMMER X SUV Specifications
The HUMMER X SUV concept measures 188.3 inches long with a 116-inch wheelbase and features impressive off-road geometry, including:
– Approach angle: 44 degrees
– Departure angle: 46 degrees
– Breakover angle: 30.9 degrees
– Ground clearance: 13.2 inches
The SUV rides on 18-inch aluminum wheels wrapped in 37-inch Goodyear off-road tires.
GMC HUMMER X Truck Specifications
The pickup variant stretches to 207.3 inches long with a 130.7-inch wheelbase. Key specifications include:
– Approach angle: 41.5 degrees
– Departure angle: 29.7 degrees
– Breakover angle: 24.9 degrees
– Ground clearance: 12.5 inches
The truck concept features 22-inch aluminum wheels paired with 35-inch Goodyear tires.
A Glimpse Into GM’s Electric Future
While the GMC HUMMER X concepts are not planned for production, they offer insight into how GM designers envision the future of electric off-road vehicles, advanced manufacturing, and sustainable mobility.
The new Pasadena design studio will likely play a major role in shaping those ideas moving forward, giving GM a dedicated creative space to experiment with technologies and concepts that could influence future EVs across its growing portfolio.
