This paper details the aerodynamic development of the University of Maryland's Pride of Maryland solar powered race car. This vehicle was built for the General Motors Sunrayce U.S.A., held in July of 1990. Two 3/8 scale models were built and tested in the university's wind tunnel. In addition, computational fluid dynamics and full scale testing were used to verify the design. Race experience further proved the worthiness of the design. Conclusions were drawn between the 3/8 scale model test results and the full scale results.