2026 Endurance Racing Season Preview: Major Manufacturer Updates
As the 2026 endurance racing season approaches, highlighted by the Rolex 24 at Daytona, notable changes in the Hypercar and GTP classes are anticipated due to new homologation requirements.
Key Regulatory Changes
The FIA, ACO, and IMSA have mandated that all manufacturers recertify their vehicles in the WindShear tunnel in North Carolina. This moves away from the previous practice of allowing LMH manufacturers to homologate at Sauber’s facility. As a result, every Hypercar and GTP entry will undergo significant aerodynamic revisions.
Manufacturer Updates
Toyota (WEC)
Toyota will revamp its GR010 Hybrid for the first time since its debut in 2021. Following a disappointing 2025 season, the updated design aims to align more closely with Toyota’s consumer vehicle identity, featuring a completely redesigned front end. Despite facing the lowest power ratings under Balance of Performance, Toyota hopes the changes will restore competitiveness.
Cadillac (WEC and IMSA)
Cadillac’s V-Series.R features dramatic aerodynamic enhancements, including a new front splitter and a redesigned rear wing. The team has utilized three of the five available evo jokers for upgrades since the car’s introduction.
Alpine (WEC)
Alpine is shifting its aerodynamic approach by moving away from a low-downforce concept. The A424’s testing began in October, aiming to improve performance under the new two-stage Balance of Performance rules.
Ferrari (WEC)
Ferrari will not utilize additional evo jokers in 2026 but plans to implement minor aerodynamic adjustments to enhance reliability after facing challenges during the Le Mans 24 Hours.
Peugeot (WEC)
Peugeot has exhausted its existing evo joker allocations and the second homologation. Discussions regarding potential amendments to the 9X8 are ongoing, particularly following the release of the 2026 technical regulations that may allow for further evolutions.
Porsche (IMSA)
Porsche’s 963 will incorporate updates aimed at refining aerodynamics, including a new front splitter and diffuser. The team has one evo joker remaining until the end of the 2027 season.
BMW (WEC and IMSA)
BMW has restructured approximately 50% of the M Hybrid V8’s bodywork, notably resizing the front kidney grilles to enhance airflow. While the team has utilized at least one evo joker previously, specifics on the current updates remain undisclosed.
Acura (IMSA)
Acura continues to evolve its ARX-06 with new aero enhancements, showcasing improved diveplanes and rear modifications. Having set an impressive pace at the recent IMSA test, the team aims to leverage its performance advantage.
Aston Martin (WEC and IMSA)
Aston Martin will retain its Valkyrie LMH configuration for 2026, focusing on extracting maximum performance from the existing platform. Multiple tests have been conducted in preparation for Daytona.
The 2026 season promises to deliver a dynamic competitive landscape as manufacturers leverage regulatory changes for structural and performance enhancements. The foundation established at Daytona will set the tone for the remainder of the endurance racing calendar.

