20 mpg is possible on a long flat highway with no wind driving 55.
Why do you need a land cruiser? As stated above, on a college budget, I would look for the cheapest reliable thing out there that will do what you want. Taco or 4runner fits the bill well. I would advise against the 100 series for budget reasons. If you can really clear 5k with Jeep, the you could potentially be car payment free with a Taco, 4runner or 80 series. That would be my focus...
Why do you need a land cruiser? As stated above, on a college budget, I would look for the cheapest reliable thing out there that will do what you want. Taco or 4runner fits the bill well. I would advise against the 100 series for budget reasons. If you can really clear 5k with Jeep, the you could potentially be car payment free with a Taco, 4runner or 80 series. That would be my focus...