im sure outkast sold more...they were on all types of shows and sporting events and shit....more of a wide range of backgrounds of people bought that outkast....thats why I would be so sure it sold more
Outkast is still selling and they took six months to release the next single, and now that that's out there are more people that will be buying their cd. 50's trying to get people to buy G-Unit now, not his solo.