2003 World Series by Nissan

The 2003 Telefónica World Series by Nissan was contested over 9 race weekends/18 rounds. In this one-make formula all drivers had to use the Dallara chassis (Dallara SN01) and Nissan engines (Nissan VQ). 11 different teams and 28 different drivers competed.

Every second race saw a mandatory pit stop.

For every race the points were awarded: 20 points to the winner, 15 for runner-up, 12 for third place, 10 for fourth place, 8 for fifth place, 6 for sixth place, 4 for seventh place, winding down to 1 point for 10th place. Lower placed drivers did not award points. Additional points were awarded to the driver setting the fastest race lap (2 points). The best 14 race results count, but all additional points count. One driver had a point deduction, which is given in ().

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