That's for you to work out. We don't know your currency either.

Firstly I would be using used car websites and searching for the same car in a similar condition. You also want to match it with a similar mileage. Any damage must taken into account also.

The colour could also affect the price too.

Way too much goes into it. What condition is it in? How many miles are on it? What trim level? What color? Is it a clean or rebuilt title? Cloth or leather seats? Where do you live?

All of this is going to affect the value. I'd recommend getting on Craigslist and see what similar vehicles sell for. I don't use KBB anymore as that is just a starting point. KBB might say the car is worth 5k when people are selling similar cars for 3500.

There's alot of variables that go into play when dealing with things like this. For example, how many miles are on it? Then you have to look at the condition of the car, if it even runs or if its just a shell. I can give you a ballpark figure but keep in mind again I havent seen the car, dont know the mileage, and I dont even know if it runs or not. Among various other things. 1991 RX7's usually run anywhere from $1500-$4000 but keep in mind I'm in Houston. Again there is ALOT of variables at play as stated above.

usually the FC goes for like 4500-6k around me, depending on condition and miles