Chip Ganassi Racing driver Dixon finished behind American Graham Rahal, who was a dominant victor in the first of two races at the Belle Isle Park raceway.
Rahal became the first Verizon IndyCar Series driver to sweep a doubleheader at Belle Isle. His win Saturday marked his fifth career victory and fourth in two-plus years for Rahal Letterman Lanigan Racing.
Rahal, who led 55 of the race's 70 laps, mocked the lack of competition for the front-running drivers in Formula 1 and also stated his belief that four-time IndyCar champion Scott Dixon would be a frontrunner in F1. James Hinchcliffe, a native of Oakville, Ont., overcame a spinout on the first lap of the race and finished third.
Josef Newgarden, driving for Team Penske, was fourth in the only auto with a Chevy engine among the top seven in the 22-car field.
Takuma Sato kept the momentum from his Indianapolis 500 win going this morning, winning the Verizon P1 Award and pole position for this afternoon's second race of the Chevrolet Detroit Grand Prix presented by Lear in record fashion.
DETROIT (AP) - Graham Rahal completed a doubleheader sweep in the Detroit Grand Prix on Sunday to become IndyCar's first two-time victor this season.
All Offers and Promotions posted in this article excludes NSW residents. James Hinchcliffe recovered from a first-lap spin to finish behind Dixon in 3rd. Dixon's auto broken up into pieces amid sparks and flames. Because his fastest lap was taken away, Castroneves was forced to settle for the second starting position.
Rahal's wife, Courtney Force, escaped without injury in a qualifying run Friday in Epping, New Hampshire.
IndyCar will conclude its only doubleheader of races Sunday on Belle Isle.
Graham Rahal celebrates on pit lane following his win in Race 1 of the 2017 Chevrolet Detroit Grand Prix. "But she seems to be OK". Mikhail Aleshin finished sixth and Helio Castroneves finished seventh in Saturday's opening race.
"So no matter what anybody wants to say, it's a great form of motorsports - I think Esteban [Gutierrez, three-year F1 racer who made his IndyCar debut this weekend] will tell you". The vehicle split in half on impact with the inside wall and somehow the four-time series champion escaped with only a small foot fracture. "It's hard. Obviously when you have it, you don't want to miss opportunities, but hopefully the weather holds up and we can do it again".