Marketing the Mini Cooper is probably an ad creative team's dream job. Such quirkpots of record can just go off on whatever flight of
fancy they want, and most likely the suits will go along. This particular guerilla campaign uses a metro entrance (in one of a number of Swiss cities where it ran) to highlight the Mini's unexpectedly spacious interior for its size. True to form, it's a perfect one-panel joke.
One Large Mini [Coolz0r - Marketing Thoughts]
Get Your Mini Carded [internal]