well dont know abt the 13 inchers n whether 21k's is a fair deal or not
but can tell u that, i own an 05 Cuore, got the Tyres and Rims for 11,500
Tyres Dunlop 155/70/12 for 4k's (Traded with the Generals on the 1st day, i got my Car)
Rims 12 Inch 7.5k's
Another friend of mine got them for 12k's from Nila Gumbad
Tc. Adios