The RB1's best result was a fourth-place finish on its debut at the 2005 Australian Grand Prix in Melbourne, and at the 2005 European Grand Prix held at the Nürburgring. Both results were achieved by David Coulthard. Christian Klien's best finish was fifth at the season finale in Shanghai. Vitantonio Liuzzi's best finish in the RB1 was eighth in his debut race, the 2005 San Marino Grand Prix at Imola.