1998 Formula One season Drivers and constructors Drivers and constructors

| Entrant | Constructor_ | Chassis | Engine_ | Tyre | Driver | Rounds |
|---|---|---|---|---|---|---|
| Winfield Williams | Williams - Mecachrome | FW20 | Mecachrome GC37-01 | G | Jacques Villeneuve | All |
| Winfield Williams | Williams - Mecachrome | FW20 | Mecachrome GC37-01 | G | Heinz-Harald Frentzen | All |
| Scuderia Ferrari Marlboro | Ferrari | F300 | Ferrari 047 | G | Michael Schumacher | All |
| Scuderia Ferrari Marlboro | Ferrari | F300 | Ferrari 047 | G | Eddie Irvine | All |
| Mild Seven Benetton Playlife | Benetton - Playlife | B198 | Playlife GC37-01 | B | Giancarlo Fisichella | All |
| Mild Seven Benetton Playlife | Benetton - Playlife | B198 | Playlife GC37-01 | B | Alexander Wurz | All |
| West McLaren Mercedes | McLaren - Mercedes | MP4-13 | Mercedes FO110G | B | David Coulthard | All |
| West McLaren Mercedes | McLaren - Mercedes | MP4-13 | Mercedes FO110G | B | Mika Häkkinen | All |