Australian Simon Gerrans has won the Tour Down Under in Adelaide for a record fourth time.

TDU leader board: 1 - Simon Gerrans OGE (19:11:33)

1 - Simon Gerrans OGE (19:11:33) 2 - Richie Porte BMCI (+9)

2 - Richie Porte BMCI (+9) 3 - Sergio Luis Henao SKY (+11)

3 - Sergio Luis Henao SKY (+11) 4 - Jay McCarthy TNK (+20)

4 - Jay McCarthy TNK (+20) 5 - Michael Woods CPT (+20)

5 - Michael Woods CPT (+20) General Classification: Simon Gerrans

General Classification: Simon Gerrans Sprint Classification: Simon Gerrans

Sprint Classification: Simon Gerrans King of the Mountain: Sergio Luis Henao

King of the Mountain: Sergio Luis Henao Young Riders Classification: Jay McCarthy

Young Riders Classification: Jay McCarthy Team Classification: Cannondale Pro Cycling

Teammate Caleb Ewans won today's final stage of the TDU in a sprint finish, giving their team, Orica GreenEdge, an impressive four-stage haul during the tour, but Gerrans was awarded General Classification winner.

Stage six results: 1. Caleb Ewan OGE (1:55:02) 2. Mark Renshaw ODD (+0) 3. Giacomo Nizzolo TFS (+0) 4. Adam Blythe TNK (+0) 5. Aleksei Tcatevitch KAT (+0)

Gerrans had a final time of 19 hours, 11 minutes and 33 seconds, which was nine seconds ahead of runner up Richie Porte, also from Australia.

"We had a dream run this race, with Caleb bookending the race with a first and the last-stage win," he said.

"I think we got the sprint jersey, so I don't think we could ask for a heck of a lot more than that.

"I couldn't have asked for any more of the guys this week.

"Today, they just kept me up the front out of trouble, and we tried to give Caleb the best run for the line that we could. They really did a sensational job."

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Gerrans was also awarded the tour's Sprint Classification.

Columbian rider Sergio Luis Henao was third overall at 11 seconds behind the pace, and also claimed King of the Mountain honours with 38 points.

Australia's Jay McCarthy was fourth overall and was awarded Young Riders Classification.

Team Classification was awarded to Cannondale Pro Cycling Team.

Mark Renshaw, from Australia, arrived over the finish line in second place during stage six while Giacomo Nizzolo from Italy arrived in third place.

The State Government estimated more than 700,000 people were involved in this year's tour.

Tourism Minister Leon Bignell said he had been told by cycling's world governing body, the Union Cycliste International, that the TDU would remain on the world tour calendar for as long as South Australia wanted it to.

"This is worth about $50 million to the South Australian economy each year," he said.

"That translates into a lot of jobs and of course that's something we're really keen to push."

Overall winner Simon Gerrans rides with the peloton during stage six of the Tour Down Under in Adelaide. ( AAP: Dan Peled )