Here's the odd collection of other T-Reg ads I found for the Friday Potpourri. I think this one is my favorite. The text is really small and hard to read (could not find a bigger version of this, and I don't think it's real anyway) but it reads "It's true, we haven't invented anything."
And another playfully subtle one.
"The luxury off-road"
And this was one of a series of ads by some guy, who worked on a few other European VW campaigns. This one was the easiest of the 3 to make sense of, and it still took me a minute when I stumbled across it during some random image search. Here's the other 2: