I have never seen a single quality survey in the last 20 years where VW was not near the bottom of the heap. Durable I would agree with from personal experience. Reliable? No way. The data simply doesn't support that assertion.
You must not have been looking at the same quality surveys then.. 6 out of the top 10 car models in this satisfaction survey from last year are VW or one of its brands (Skoda):
Even the lowest scoring VW is still mid-table