Key Changes in 2026 FIA WEC Hypercar Regulations
The recently published 2026 FIA World Endurance Championship (WEC) regulations introduce significant revisions to the Hypercar technical framework, particularly regarding power units. Article 5.3 specifies that Energy Recovery Systems (ERS) will transition from optional to mandatory for all new vehicle homologations starting in 2026. This crucial update effectively phases out the possibility of developing non-hybrid LMH-spec prototypes, aligning with ongoing discussions regarding a unified platform for the top class by the end of the decade.
Currently, the Aston Martin Valkyrie stands as the sole non-hybrid vehicle in the Hypercar and IMSA’s GTP classes, featuring a 6.5L naturally aspirated V12 engine from Cosworth. The Aston Martin THOR Team is confirmed to return to the FIA WEC with a two-car program in 2026, and indications suggest that the Valkyrie will be the last non-hybrid car in the championship’s top class for the foreseeable future, following the departures of the Vanwall Vandervell 680, Glickenhaus SCG 007 LMH, and Alpine A480.
Additionally, revisions to the homologation rules stipulate that manufacturers can apply for “EVO Jokers”—extensions allowed for significant performance deficiencies as assessed by the governing body. Each team will retain five EVO Jokers from January 2021 through December 2027, with two additional jokers available from January 2028 to December 2029.
The 2026 sporting regulations for the FIA WEC have also been released, outlining the framework for future events. For complete details, refer to the official regulatory announcements.

