You only get 2 years warranty, and that starts from when it's had it's PDI(will be date stamped in front of service book), not when it was registered! VW can confirm this.
I saved quite a bit, so missing out on a years warranty didn't bother me. The dealers have been fine with me and registered the car in the UK for me. No issues with any warranty work(remember the dealer is making money by doing warranty work), and servicing no problem. I plan to keep the car until it's over 3 years old, so there won't be any warranty left on the car. My car came from Holland, just be careful of cars from outside Europe(Cyprus), as these can miss out on rust-proofing etc.