WWE announced in their key performance indicators that SummerSlam drew 350,000 buys, up hugely from last year's 301,000 buys.
The feud between Brock Lesnar and Triple H is being credited for the huge increase in buyrate which saw the return of Paul Heyman and Stephanie McMahon.
Recent SummerSlam Buyrate history:
2011: 301,000 buys
2010: 350,000 buys
2009: 369,00 buys