The scene with the car wreck is after he wakes up. He's already got the prosthetic arm and there are pills flying around all over the place in the accident. I would assume it's some kind of medical van or ambulance from the hospital.
The trailer was running in 720p, though, wasn't it?
I think Konami would have... words with Kojima if a game with these production values was for Vita. I mean, they poo-pooed "MGS5" as a title because it was for PSP, and that was a kind of viable platform.
see this is why i dislike new mgs game reveals because then 75% of the posts are people taking random things from all over the series and throwing them together because "kojima tricked us that one time ten years ago!!!"
lol i bet it's cyborg raiden teaming up with young colonel campbell and fighting the fourth snake clone but it's all a vr simulation being run by sunny in 1958!!! look at this pixel!