Chevrolet and Honda develop new twins-turbo V6 engines for 2028 IndyCar
Racer • 1 min read • Latest: Jul 30, 2026, 12:13 PM
Last updated Jul 30, 2026
Chevrolet and Honda are developing new 2.4-liter twin-turbo V6 engines for the 2028 IndyCar series, based on designs tested in 2022. Both manufacturers intend to significantly redevelop these previous models as they prepare for the upcoming season. This redevelopment marks a continuation of advancements in engine technology within the series. The engines are set to be a key aspect of the IR28 car design.
- •Chevrolet and Honda agreed to build new engines for the IR28.
- •New engines will be 2.4-liter twin-turbo V6s.
- •Development is based on engines tested in 2022.
- •Significant redesign efforts are planned by both manufacturers.
- 12:13 PMRacer — What’s new and what’s not in the 2028 IndyCar engines
"RACER has learned the new 2.4-liter twin-turbo V6s Chevrolet and Honda agreed to build for the IR28 will have roots in the original 2.4s that were tested in 2022, although both brands have chosen to undertake significant redevelopment of those designs.
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