All teams use the same Swift chassis and lease engines from a single Toyota backed builder. Oval and road courses of North America. Never seen far from CART cars except in Canada. A Toyota Camry with a broken Muffler. All teams run the same Lola chassis Visibly smaller and slower than Formula One cars.
All teams use the same leased engine.
Except for the season opener in Brazil, exclusively seen on European road courses. Never seen far from F1 cars. Some countries like Italy use older cars for local Championships. Prominent forward tilted roll bar. All teams run the same Reynard chassis which are owned and maintained by the series.