Twenty nine horsepower this one here was only available from one nine hundred thirty eight it was a high performance model with a one point five liters of capacity and thirty seven horsepower involved here and the cylinder head now and made the olympia the best series production car at the one nine hundred thirty eight german alpine cup and it served as the basis for all opel four cylinder models through the one nine hundred sixty s. . early olympia's had a three speed transmission but starting in one nine hundred thirty seven the model was available with a modern though somewhat notchy four s...