AVX is considerably longer for me
I've tried the QST but didn't like it very much. I gave the rest to a friend. I hit some strange knuckle balls with the driver and didn't like the feel. I like the AVX much better. I'm still a big fan of the Bridgestone RX.
2018 QST2 is an all around performer. So much better than the 1st QST. Does everything extremely well and is was long for me. Not as long as the XV but then again, the XV is better for my swing speed.
For those who like a softer ball, QST2 is the ball you should try.
Anyone else think the QSTis short? I have repeatedly played it only to find it is def 5-10 yards shorter off the driver