motorsport

IndyCar IR-28 Chassis Makes Track Debut

Published July 31, 2026 · Updated July 31, 2026 · Motorsport.com

IndyCar's next-generation IR-28 chassis completed its maiden on-track laps at the Indianapolis Motor Speedway road course during initial testing.

IndyCar's revolutionary IR-28 chassis made its track debut during a two-day testing session at the 2.439-mile, 14-turn Indianapolis Motor Speedway road course. Motorsport.com was among a small group of media outlets granted a first look at the new car ahead of this landmark moment for the series. milkshake.it.com

The maiden rollout saw driving duties split among several pilots as the series begins evaluating the clean-sheet design that represents the next evolution of IndyCar technology.

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