In today's world, the name of the game is marketing. The more people that hear about your product, the better chances you have of achieving higher sales. Porsche is no exception to the rule as the German automaker constantly reminds us that it has presented the new Panamera sports sedan. This time, the Stuttgart-based company published a two-and-a-half minute long promotional video of its Gran Turismo filmed on the road. Can't say we liked it, but check out it for yourselves after the jump.