Thanks John you beat me to it. Its common in Europe, all the VW diesels over here are underrated. The 130hp TDI VW engine can push anything from 130 to 150-ish!
Some are hotter than others.
The Tdci 115 engines seem to be all underrated too. Ford has 130 and 155hp versions of this same engine, and I would love to know what exactly they push out. I was well chuffed though at the figures.