Australia trailed 15-9 at the break after Dagg’s two tries but the All Blacks pulled away in the second half with Julian Savea and Sam Kane completing victory.
Bernard Foley and Reece Hodge kicked the Wallabies’ points.
The tournament concludes for the first time at Twickenham Stadium on October 8 with Argentina v Australia and we can’t wait.
Tickets to Argentina v Australia at Twickenham Stadium are available from £45 for adults, £25 for children (U16) and a family package (two adults and two children) for £115. (Booking fees apply) Click here for details.