River Plate defeated Boca Juniors in the finals by an aggregate score of 5–3 to win their fourth tournament title. As champions, they qualified as the CONMEBOL representative at the 2018 FIFA Club World Cup in the United Arab Emirates and also earned the right to play against the winners of the 2018 Copa Sudamericana in the 2019 Recopa Sudamericana. They also automatically qualified for the 2019 Copa Libertadores group stage. Grêmio were the defending champions, but were defeated by River Plate in the semifinals.