Any time the dealer calls to buy your old vehicle, 10000000% their intention is to sell you a new vehicle.I spoke with the dealership yesterday. He mentioned that Toyota is buying them to put in dealership showrooms across the country. Seems logical with the with the current popularity of the 4 door landcruisers.
They'll call you again in a few years to buy your old vehicle and get you into a new one, again.
Remember, the dealership's only goal is marketing and sales. They want YOUR money.