Overview
- INDYCAR confirmed that Chevrolet and Honda have signed multiyear extensions starting in 2027, ending two years of speculation about a possible Honda exit after 2026.
- Both manufacturers will help define the engine and competition rules for the new car slated for 2028, when a 2.4-liter twin-turbo V6 with hybrid technology debuts.
- The series will continue with the current 2.2-liter twin-turbo hybrid package through 2027 while technical and commercial details of the 2028 powertrain are finalized.
- Each OEM will be entitled to one charter beginning in 2028, and teams already at the three-charter cap cannot add a fourth entry via a manufacturer.
- Honda says its 2028 2.4-liter V6 will be developed and built in the United States and paired with a common low-voltage hybrid unit, while Chevrolet and Honda cite the series’ recent growth and FOX partnership as factors in their commitments.