My '98 4.0 SOHC XLT 4x4 w/ leather, 945a (lux) package, is basically a max out XLT with 197K miles. KBB lists it at $2500 for a private party sale, and $1500 for a trade in.
I do not think I would get that much in either case. Regardless, it's more value to me as a dd than the cash I could get for it. When the time comes and she gives up the ghost I'll probably donate it to a automobile tech school - I have a complete maintenance record and all documentation on everything that has ever been done to the vehicle.
(I even have the original window sticker.) I'll get a tax deduction and I'll feel good about giving it to folks that might put her to good use after she's done totin' me around.