Metal Gear Solid V: The Phantom Pain - E3 2013 Red Band Trailer [IN-GAME GRAPHICS] 

One of the greatest trailers of all time. I don't think it will ever be topped, regardless of which industry any such trailer can emerge. What I find interesting is how a lot of the cutscenes have changed in the final game since then, so I added the cutscene clips from the released MGSV onto the ones in the Red Band E3 2013 trailer.
Gameplay will be labeled instead of recreated (that would be hell), and scenes from seemingly cut content will be replaced with other scenes that are similar in subject matter.