| Race details | |
|---|---|
| 17th round of the 2018 IndyCar Series season | |
 | |
| Date | September 16, 2018 |
| Official name | GoPro Grand Prix of Sonoma |
| Location | Sonoma Raceway |
| Course | Permanent racing facility 2.385 mi / 3.838 km |
| Distance | 85 laps 202.725 mi / 326.230 km |
| Pole position | |
| Driver | Ryan Hunter-Reay (Andretti Autosport) |
| Time | 1:17.6277 |
| Fastest lap | |
| Driver | Scott Dixon (Chip Ganassi Racing) |
| Time | 1:19.8646 (on lap 41 of 85) |
| Podium | |
| First | Ryan Hunter-Reay (Andretti Autosport) |
| Second | Scott Dixon (Chip Ganassi Racing) |
| Third | Simon Pagenaud (Team Penske) |
The 2018 GoPro Grand Prix of Sonoma was the 17th and final round of the 2018 IndyCar Series season. The race was held on September 16 at Sonoma Raceway in Sonoma, California. 2014 Indy 500 winner Ryan Hunter-Reay qualified on pole position,[1] and took victory in the 85-lap race.[2]
This also marked the last IndyCar Series race at Sonoma, as since 2019, the season finale held at the WeatherTech Raceway Laguna Seca.
It was also the final race for Verizon Communications as the series sponsor, as NTT took over as title sponsor for 2019.
- ^ Malsher, David (September 15, 2018). "Sonoma IndyCar: Hunter-Reay grabs pole, O'Ward sensational fifth". Motorsport.com. Motorsport Network. Retrieved September 16, 2018.
- ^ Malsher, David (September 16, 2018). "Sonoma IndyCar: Hunter-Reay dominates, Dixon clinches fifth title". Motorsport.com. Motorsport Network. Retrieved September 16, 2018.