I Need Help

hey i have a 93 toyota lexen , which is perfect condition , cd player, air con, mags , centeil locking , cruse controle , rego n road werthy , n i was wondering if it would be a good idea to swap it for an old modle 300zx V6 turbo , its in ec condition ,

would it be fair to ask for an extar $1000

coz mine is worth like 3-4 thousand n the 300zx it for sale for liek 3000

i need some advice want u think , n i dont really have any plans for the car like mods