3000gt so low in price?

i bought my 1998 3000gt vr-4 for 10,000 six speed manual,,,with about 65,000 ,iles on it,,,this car is fast and ver7y good on gas why is it so cheap,,,,then i look at automatic supras 4 gen and there milage is in the 100,000 and there worth 20,000+ and thats for a high milage automatic non turbo supra,,,i sold the 3000gt for a evo ix so it dosnt really bother me its just something i always wondered about