2006 Chevrolet Sequel Concept

The 2006 Chevrolet Sequel was one of the most advanced hydrogen-powered concept vehicles developed by General Motors during the mid-2000s. First shown at the 2005 Detroit Auto Show and later highlighted at the Los Angeles Auto Show 2006, the Sequel demonstrated GM’s vision for a zero-emissions SUV powered entirely by hydrogen fuel cell technology.

Unlike many concept cars of the era, the Chevrolet Sequel was a fully functional prototype built around GM’s advanced “Autonomy” platform. The skateboard-style chassis integrated the hydrogen fuel cell system, electric motors, hydrogen tanks, and electronic controls beneath the cabin floor, maximizing interior space and improving weight distribution.

The Sequel used three electric motors producing a combined 188 horsepower. Power came from a hydrogen fuel cell stack that converted hydrogen into electricity, with water vapor as the only tailpipe emission. The SUV featured all-wheel drive and could accelerate from 0–60 mph in approximately 10 seconds while offering a driving range of around 300 miles.

A major technical highlight was the Sequel’s steer-by-wire and brake-by-wire technology. Instead of traditional mechanical steering and braking systems, the vehicle relied on electronic controls, reducing complexity and allowing for more flexible vehicle packaging. This technology helped position the Sequel as one of the most futuristic SUVs of its time.

The exterior design combined aerodynamic styling with practical SUV proportions. Inside, the cabin featured a spacious five-door layout with a flat floor enabled by the underbody fuel cell platform. Chevrolet designed the Sequel to prove that hydrogen-powered vehicles could offer the same comfort and usability as conventional SUVs.

Despite being technically close to production, the Chevrolet Sequel never entered mass manufacturing due to two major issues: high fuel cell costs and the lack of hydrogen fueling infrastructure in the United States. At the time, GM projected hydrogen vehicles could reach production by 2010, though the industry ultimately shifted more aggressively toward battery-electric vehicles instead.

Today, the 2006 Chevrolet Sequel remains an important milestone in hydrogen vehicle development. Its fuel cell drivetrain, modular platform design, and advanced electronic systems helped influence future conversations around zero-emission transportation and alternative energy vehicles.