The Dallara IR-18 is the most advanced IndyCar in iRacing, mirroring its real-world counterpart used in the NTT IndyCar Series. It features improved safety, refined aerodynamics, and turbocharged power, making it one of the most versatile and competitive cars in the sim.
Technical Specifications
| Horsepower | ~700 hp |
| Engine | 2.2L twin-turbocharged V6 (Chevrolet or Honda) |
| Weight | ~730 kg |
| Gearbox | 6-speed sequential |
| Top Speed | 230+ mph on superspeedways |
Handling Characteristics
- Aerodynamics: The Universal Aero Kit provides a strong balance of downforce and straight-line efficiency.
- Cornering: Agile and stable, though setup changes are critical between ovals and road courses.
- Braking: Modern carbon braking systems offer strong and consistent stopping power.
- Power Delivery: Turbocharged response requires careful throttle management, especially at corner exit.
Difficulty Level
The IR-18 is an intermediate-to-advanced car. It is more accessible than hybrid F1 machinery but requires discipline on ovals and adaptability on road courses. Its versatility makes it rewarding for drivers willing to learn its nuances.
Real-World Tie-In
The IR-18 has been raced by the biggest names in IndyCar since 2018, including Scott Dixon, Josef Newgarden, and Will Power. It brought a new era of parity to the sport by leveling aerodynamic differences between manufacturers, emphasizing driver skill and team strategy.
In iRacing, the IR-18 captures that same spirit of competitive parity, offering members a chance to race the exact car used in America’s premier open-wheel series.
