Western Sydney converted sustained pressure into a 26 to 12 victory, pairing four tries with a disciplined kicking display from Matthew Harris. Dingo supplied the finishing touch twice, while Mops and Daniel Punch also crossed.
The Bulls held 58 percent possession, ran for 1,346 metres and punched through for 30 line breaks. Thunder finished with 921 metres and was forced to make 184 tackles, 54 more than Western Sydney.
Jai Kalone was Thunder's brightest attacking threat with 274 metres, four line breaks and a try. Lucie Driscoll added two conversions, 132 metres and 343 kick metres.