Even though, it finished the season fifth in the team's championship. In the All Japan Sports Prototype Championship, the R89C suffered the same fate, unable to compete with its developed Porsche and Toyota opponents, leaving Nissan to finish the season third in the championship.
Even though it concluded the season in fifth position, the R89C's performance in the All Japan Sports Prototype Championship was similar to that of other cars, unable to match the advancements of its rivals such as Porsche and Toyota. As a result, Nissan finished in third place.