The whys and wherefores of car advertising are pretty arcane. Who knows what motivates the censors? We picked six of our faves.

This one is superb. In a phallic kind of way. Mature petrolheads would have run out and bought an M5 after seeing this.

This on the other hand, is cute, cuddly and perfect for idle parents:

And here’s one for the Grand Theft Auto generation:

And this, well. DO NOT WATCH IF BAD LANGUAGE OFFENDS!

This puts Harry Hill to shame:

And you never thought the KA could be cool, right?