With all 17 races of the the 2018 IndyCar season in the books, how do the sport’s 10 full-time teams rank against one another?
Ryan Hunter-Reay ended the 2018 IndyCar season by delivering Andretti Autosport their fifth win of the season via a dominant performance in the 17th and final race of the year, the IndyCar Grand Prix of Sonoma, at Sonoma Raceway.
Hunter-Reay’s victory in the 85-lap race around the 12-turn, 2.385-mile (3.838-kilometer) Sonoma Raceway road course in Sonoma, Raceway joined his victory in the second race on the streets of Belle Isle in Detroit, Michigan and teammate Alexander Rossi’s victories in the races on the streets of Long Beach, California, at Mid-Ohio Sports Car Course and at Pocono Raceway on the list of Andretti Autosport’s victories this season.
The 2018 season was Andretti Autosport’s most successful season since the 2013 season when they also earned five victories. They earned only three victories in the 2016 and 2017 seasons combined.
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Only Team Penske finished the season with more victories than Andretti Autosport. Team Penske earned six victories throughout the season, with Josef Newgarden and Will Power each having earned three of them.
Four other teams combined to win the six races that were not won by Andretti Autosport or Team Penske this year. Chip Ganassi Racing earned three victories, all courtesy of 2018 and five-time champion Scott Dixon, while Dale Coyne Racing, Schmidt Peterson Motorsports and Rahal Letterman Lanigan Racing each earned one. Sebastien Bourdais, James Hinchcliffe and Takuma Sato earned the victories for those three teams, respectively.
For the second consecutive season, Team Penske were the only Chevrolet team to win any races. For the fifth consecutive season, they ended up either atop or tied atop the wins list among teams.
How did Andretti Autosport’s fifth victory of the season and the rest of the action from Sonoma Raceway affect the IndyCar Team Power Rankings? Here are the formulated IndyCar Team Power Rankings and the non-formulated IndyCar Team Power Rankings to close out the 2018 season.
To see how the formulated IndyCar Team Power Rankings are calculated, click here.
Formulated IndyCar Team Power Rankings
| Rank | Team | Manufacturer | Last Rank | Trend |
| 1 | Chip Ganassi Racing | Honda | 1 | 0 |
| 2 | Team Penske | Chevrolet | 3 | +1 |
| 3 | Andretti Autosport | Honda | 2 | -1 |
| 4 | Dale Coyne Racing | Honda | 5 | +1 |
| 5 | Schmidt Peterson Motorsports | Honda | 4 | -1 |
| 6 | Rahal Letterman Lanigan Racing | Honda | 6 | 0 |
| 7 | Ed Carpenter Racing | Chevrolet | 7 | 0 |
| 8 | A.J. Foyt Enterprises | Chevrolet | 8 | 0 |
| 9 | Carlin Motorsport | Chevrolet | 9 | 0 |
| 10 | Harding Racing | Chevrolet | 10 | 0 |
Biggest Movers
Up: Team Penske, Dale Coyne Racing (+1)
Down: Andretti Autosport, Schmidt Peterson Motorsports (-1)
Non-formulated IndyCar Team Power Rankings
| Rank | Team | Manufacturer | Last Rank | Trend |
| 1 | Chip Ganassi Racing | Honda | 1 | 0 |
| 2 | Andretti Autosport | Honda | 2 | 0 |
| 3 | Team Penske | Chevrolet | 3 | 0 |
| 4 | Schmidt Peterson Motorsports | Honda | 4 | 0 |
| 5 | Dale Coyne Racing | Honda | 6 | +1 |
| 6 | Rahal Letterman Lanigan Racing | Honda | 5 | -1 |
| 7 | Ed Carpenter Racing | Chevrolet | 7 | 0 |
| 8 | A.J. Foyt Enterprises | Chevrolet | 8 | 0 |
| 9 | Carlin Motorsport | Chevrolet | 9 | 0 |
| 10 | Harding Racing | Chevrolet | 10 | 0 |
Biggest Movers
Up: Dale Coyne Racing (+1)
Down: Rahal Letterman Lanigan Racing (-1)
Formulated rankings predictions for after next race
There are no formulated rankings predictions for the formulated IndyCar Team Power Rankings after the next race in this edition of the power rankings because of the fact that the IndyCar Grand Prix of Sonoma was the 2018 IndyCar season finale.
Be sure not to miss the next IndyCar race, the Firestone Grand Prix of St. Petersburg, on the streets of St. Petersburg, Florida. This race is the 2019 season opener, and it is scheduled to take place on Sunday, March 10, 2019. In the meantime, enjoy the offseason.