Production chronology2008–2010
Sourced production or model lifecycle range used by the main catalog timeline.
Wikipedia infobox ↗3 years
← GM
GM / Model record
GMHydroGen4
Production2008–2010
Recorded originUnited States
ClassAutomobile
Built170 units
Background
HydroGen4 is the successor of the fuel cell vehicle HydroGen3, developed by General Motors/Opel and presented in 2007 at the IAA in Frankfurt, Germany. It is expected that automotive hydrogen technology, such as the type featured in the HydroGen4, may enter the early commercialization phase in the 2015–2020 time frame.
Text adapted from “GM HydroGen4” on Wikipedia ↗ · CC BY-SA 4.0 ↗ · retrieved 2026-07
Chronology ledger