The EFDA Nations Cup, was a Country vs Country competition for Formula Opel cars between 1990 and 1998. It had always been Dan Partel's dream to stage a race that pitted drivers in equal cars racing for their country. The Formula Opel/Vauxhall one make racing series offered the best opportunity for such an event.
The 1998 EFDA Nations Cup (Nations Cup IX), was held at Zandvoort, Holland (3 October 1998).
| Position | Country | Driver 1 | Driver 2 | |
|---|---|---|---|---|
| 1 | Darren Malkin | Justin Sherwood | ||
| 2 |  Netherlands | Jeroen Bleekemolen | Jeroen Reijntjens | |
| 3 |  United States | Paul Edwards | Ryan Walker | |
| 4 |  Australia | Ian Agnew | Brendon Cook | |
| 5 | Sandor Van Es | Andreas Bostrom |