For 12 things worth knowing about the car: http://blog.caranddriver.com/the-darth-car-12-things-you-need-to-know-about-hot-wheels-life-size-150-mph-darth-vader-car/
You could buy it like this, as a Comic Con exclusive
above and below images from http://geektyrant.com/news/first-look-at-the-star-wars-inspired-hot-wheels-line
or in this set
Since Lucas sold the Star Wars stuff to Disney, that makes this a Disney licensed car