It is based on the Toybota from Top Gear Series 8, Ep 3, so in turn, is based on the N100 Toyota Hilux. It's name is a play on the word "Sank" and "Sakura". The Sankura is a variation of the Sakura Immortality.
Due to it's amphibious abilities, it is quite useful, but can capsize. The player has to exit and enter through the sunroof.