The 1998 Speedway Grand Prix of Great Britain was the fourth race of the 1998 Speedway Grand Prix season. It took place on 7 August in the Brandon Stadium in Coventry, England It was the fourth British SGP and first in Coventry. SGP was won by Australian rider Jason Crump. It was the second win of his career, after winning in 1996 London GP.
The Speedway Grand Prix Commission nominated AntonÃÂn Kasper, Jr. (Czech Republic) and Joe Screen and Martin Dugard (both from Great Britain) as Wild Card.