Overview
- The two-time champion turned laps in Andretti’s No. 26 Honda as he began working with new race engineer Andy Listes after 17 seasons at Team Penske.
- Josef Newgarden joined the Phoenix outing as Penske’s representative, with the manufacturers split between Chevrolet and Honda.
- Firestone described the right-front tire as significantly wider than any previously raced in IndyCar, with construction aimed at increasing lateral grip.
- The four-hour running served as a confirmation step following a November test with Scott Dixon and Alexander Rossi to gather real-world data.
- An IndyCar open test at Phoenix is scheduled for Feb. 17–18 ahead of the March 6–7 crossover weekend, offering a broader field for benchmarking.