Interesting.

I have an Alltrack (4 motion). 14k, in for its first service today. Tyres are hardly worn. My wife has a 132TSI comfortline. Hers has around 18k on the dial if I recall and tyres are in great condition.

Might be worth looking at how hard you brake, how hard you accelerate etc if your tyres are wearing out that quickly. Also check pressures regularly.