2011: Debut year of the Dallara GP2/11 chassis, introduced at Yas Marina (Abu Dhabi) to replace the aging GP2/08. Originally planned for three-year service life (2011-2013). Features Mecachrome V8108 4.0L V8 (612 hp), carbon fiber monocoque, 2009 F1-inspired aerodynamics, Hewland 6-speed sequential gearbox. Romain Grosjean won the inaugural 2011 championship in this chassis. Weighs 688 kg (1,517 lbs) with driver.
2016: Sixth year of GP2/11 service—double its originally-planned lifespan due to cost-saving measures. Final season under 'GP2 Series' branding before transition to FIA Formula 2 Championship in 2017. Pierre Gasly won the 2016 GP2 Series championship. Chassis demonstrated exceptional durability and competitive balance, with minimal mechanical failures despite extensive use. Grid featured future F1 stars including Antonio Giovinazzi (runner-up), Sergey Sirotkin, and Nicholas Latifi.
2017: Final and seventh year of GP2/11 chassis—longest-serving car in GP2/F2 history. Series rebranded as FIA Formula 2 Championship with updated sporting regulations but retained proven GP2/11 chassis to control costs. Charles Leclerc dominated, winning championship with 7 victories before F1 graduation to Sauber/Alfa Romeo. Grid included future F1 regulars George Russell, Lando Norris, Alexander Albon. GP2/11 replaced by turbocharged Dallara F2 2018 for following season. Legacy: trained generation of F1 drivers in cost-effective, spec-racing environment emphasizing driver skill over engineering budgets.