THE VEHICLE AT A GLANCE
Model dossier
- Production period
- 2002
- Body style
- Station Wagon
- Engine
- Hydrogen fuel-cell electric propulsion
- Type
- Concept
- Production
- 1
THE PEOPLE BEHIND THE CAR
Coachbuilding, design & conversions
PRICE & SALES RECORD
Vehicle value
- Original price
- Not documented
- Latest recorded sale
- Not documented
01 / THE STORY
History & context
The GM Hy-wire concept car, built by Stile Bertone, represents a revolutionary step in automotive design and engineering. Unveiled in 2002, this groundbreaking vehicle eliminates traditional mechanical controls, which frees up the space where an engine would normally reside, allowing for a transparent front section. This design choice not only enhances visibility but also gives the car a futuristic aesthetic. One of the most innovative features of the GM Hy-wire is its lack of a conventional steering column. This allows designers to place the controls anywhere in the car, even in the backseat, maximizing comfort and safety for all passengers. This flexibility in control placement is a significant departure from traditional car design, emphasizing the concept’s focus on user-centric innovation. At the heart of the GM Hy-wire is its aluminum, skateboard-like chassis that runs the length of the vehicle. This unique chassis houses the fuel cells, an electric motor, tanks of compressed hydrogen, and all necessary electronics. This skateboard configuration is crucial for the vehicle’s functionality and modularity, allowing for different body styles to be mounted on the same platform. Stile Bertone, an esteemed Italian coachbuilder, was responsible for assembling the Hy-wire. Their expertise in crafting innovative and stylish vehicles is evident in the Hy-wire’s sleek, modern design. The collaboration between General Motors and Stile Bertone highlights the fusion of cutting-edge technology and Italian design flair. The GM Hy-wire concept car showcases the potential of hydrogen fuel cell technology combined with advanced design principles. By rethinking the traditional layout and controls of a car, the Hy-wire opens up new possibilities for vehicle customization and passenger experience. Although it remains a concept, the GM Hy-wire continues to influence automotive design and inspire future developments in sustainable transportation.
02 / TECHNICAL IDENTITY
Specifications & construction
Production & construction
- Production
- 1
- Production type
- Concept
- Chassis construction
- aluminium skateboard chassis
- Mechanical platform
- GM AUTOnomy skateboard architecture
Engine & performance
- Engine configuration
- Hydrogen fuel-cell electric propulsion
- Specification notes
- TECH 2026-09-21 — contemporary engineering documentation directly identifies Hy-wire as a driveable hydrogen fuel-cell EV with full by-wire steering/braking/throttle on the AUTOnomy-derived skateboard architecture. SKF gives skateboard thickness as 11 in / 28 cm and confirms Stile Bertone body construction. Numeric performance values from later secondary summaries remain unstructured.
Design & manufacture
- Coachbuilder / Body Builder · Documented
- Bertone
- Manufacturer · Documented
- General Motors
06 / EVENTS & AWARDS
Events & awards
No events or documented awards are currently recorded for this vehicle.
07 / THE VEHICLE IN DETAIL
Photo gallery 1 photographs
08 / FROM THE ARCHIVE
Archive
References held in the vehicle dossier. Their inclusion does not establish that every historical claim has been independently verified.
| Reference | Source type |
|---|---|
| SKF Evolution – GM Hy-wire evolution.skf.com | Contemporary engineering source |
| Scientific American – Designing AUTOnomy www.scientificamerican.com | Contemporary engineering article |











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