Buy wheels for your Saab 90 here
Saab 90 made in the year 1984-01-01 have the following bolt pattern: 4x114.3 with the following center bore: 71.5. The wheels are attached with lug nuts. These lug nuts have the following thread: 1/2". The ET, on this model, is 45 and the recommended wheel size is between 15 and 17 inches.