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THE ITALIAN COACHBUILDER SITE

GM Hy-wire

2002Coachwork by Bertone

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.

08 / FROM THE ARCHIVE

Archive

References held in the vehicle dossier. Their inclusion does not establish that every historical claim has been independently verified.

ReferenceSource type
SKF Evolution – GM Hy-wire evolution.skf.com Contemporary engineering source
Scientific American – Designing AUTOnomy www.scientificamerican.com Contemporary engineering article

THE CONVERSATION

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