Here are some really cool automobile Ads Poster Design. I like the Nissan series best. Those monster effect are really cute and intuitive, conveying the message that the car will never be taken down by any situations. Anyway, enjoy yourself.

Nissan Frontier Campaign

Lexus Series
The effect for this one is also cool, but compared with the one above. It seems missing something for me. But the last one to show the interior car is quite impressive.

The following two, I am not really catching what they want to express. Seems like just try to create some kind of atmosphere.
Toyota

WRX

Volkswagen Golf

Clearly convey the information how easy people can park with the Park Distance Control in the car.

Nikon
The car is made by some ballet dances from Canada. It is cool visually.