As I predicted in some other thread, I believe that it will sell roughly 18M units lifetime. So to answer to your question, no, I don't think it will outsell GC unfortunetly. There are just too many things going against it atm.
Predictions for LT console sales:
PS4: 120M
XB1: 70M
WiiU: 14M
3DS: 60M
Vita: 13M