| Race details | |
|---|---|
| 2nd round of the 2018 IndyCar Series season | |
 Phoenix International Raceway (2011-2018) | |
| Date | April 7, 2018 |
| Official name | Desert Diamond West Valley Phoenix Grand Prix |
| Location | Phoenix International Raceway |
| Course | Permanent racing facility 1.022 mi / 1.645 km |
| Distance | 250 laps 255.5 mi / 411.25 km |
| Pole position | |
| Driver | Sébastien Bourdais (Dale Coyne Racing with Vasser-Sullivan) |
| Time | 19.5034 + 19.5251 = 39.0285 |
| Fastest lap | |
| Driver | Sébastien Bourdais (Dale Coyne Racing with Vasser-Sullivan) |
| Time | 20.6270 (on lap 2 of 250) |
| Podium | |
| First | Josef Newgarden (Team Penske) |
| Second | Robert Wickens (Schmidt Peterson Motorsports) |
| Third | Alexander Rossi (Andretti Autosport) |
The 2018 Desert Diamond West Valley Phoenix Grand Prix was the second round of the 2018 IndyCar Series season and the first oval race of the season. It took place on April 7, 2018 at Phoenix International Raceway in Avondale, Arizona. The race was won by Josef Newgarden for Team Penske, his eighth career win and third on an oval.[1]
- ^ Malsher, David (April 7, 2018). "Phoenix IndyCar: Newgarden beats Wickens, Rossi in thrilling shootout". Motorsport.com. Motorsport Network. Retrieved April 7, 2018.