Goss Led The Tour Down Under Stage Victories Matthews
Goss began 129 km (80 miles) Stirling Unley Adelaide Hills, at the same time, but behind the overnight leader and fellow Australian Robbie McEwen and RadioShack.
And despite suffering a puncture 10 km from the finish line, Tasmania is not enough to do anything to regain the lead he had after winning a stage on Tuesday.
A breakaway of four men entertained thousands of fans who had made the long road in a hilly 21 km loop, as the field raced three times in the final.
However, his lead had evaporated shortly after the start of the stretch.
A series of attacks occurred at the end of the race, including a futile effort on the stage of the career of Richie Porte hope Australia, before a large group of runners reformed in time for a mass sprint at the finish.
Matthews, who is in his first year with the Dutch Rabobank, has demonstrated over the same sprint skill that earned him the title of U-23 road race World Championship in October.
It is the victory of 20 years, second of the season after winning the second stage of the Jayco Bay Cycling Classic.
Two times the total sample Andre Greipel Omega Pharma was the second, and Goss in third place.
British Mark Cavendish, including HTC, High Road began at the beginning of the final lap of the track, but was happy to finish after suffering cuts and abrasions is spectacular accident on Wednesday.
Friday's fourth stage is a journey of 124 miles on undulating terrain of Norwood to Strathalbyn.