He wants to know what you would sell it for, not what you would buy it for.
Things are only worth what someone will pay. I'm not in the market right now as I've sunk all my cash into my current Fj40. 6500$ seems to be about what I see them go for here in oregon in about the same cond. I was just trying to help but the price is always going to be different across the country for the same items. Ditto on the stock interior.