1998 Swedish Touring Car Championship season Race calendar and winners Race calendar and winners

| Round_0 | Round_1 | Circuit | Date_ | Pole_Position | Fastest_Lap | Winning_Driver | Winning_Team | Winning_Privateer_ |
|---|---|---|---|---|---|---|---|---|
| 1 | R1 | Mantorp Park | 10 May | Mattias Ekström | Fredrik Ekblom | Mats Lindén | Kristoffersson Motorsport | Richard Göransson |
| 1 | R2 | Mantorp Park | 10 May |  | Peggen Andersson | Fredrik Ekblom | BMW Dealer Team | Pontus Mörth |
| 2 | R3 | Karlskoga-Gelleråsen | 31 May | Jan Nilsson | Jan Nilsson | Jan Nilsson | Flash Engineering | Pontus Mörth |
| 2 | R4 | Karlskoga-Gelleråsen | 31 May |  | Fredrik Ekblom | Peggen Andersson | BMW Dealer Team | Pontus Mörth |
| 3 | R5 | Anderstorp | 28 June | Mattias Ekström | Fredrik Ekblom | Jan Nilsson | Flash Engineering | Pontus Mörth |
| 3 | R6 | Anderstorp | 28 June |  | Peggen Andersson | Peggen Andersson | BMW Dealer Team | Georg Bakajev |