The 28-year-old, who has won 77 caps since his debut in 2005, said he still had ambitions at both international and Super Rugby level after also signing up for another two seasons with the New South Wales Waratahs.
"I'm not done yet," said Ashley-Cooper, who has scored 23 Test tries. "I'd like another crack at the Rugby World Cup if I can. I wouldn't mind winning Super Rugby either."
A tough-tackling back with plenty of pace and a keen eye for the tryline, Ashley-Cooper has played at centre, full-back and on the wing for Australia and is already a veteran of two World Cup campaigns.
While his first international goal this year will be to help Australia beat the British and Irish Lions in the three-Test series in June and July, he was also motivated by the prospect of loosening New Zealand's 10-year grip on the Bledisloe Cup.
"The competition for places, after all of the injuries we had last year, has left the Wallabies in a pretty good space," he added.
"I think everyone is excited about what is coming up this year with the Lions tour, but there's a World Cup not that far away now, and goals like the Rugby Championship and especially the Bledisloe Cup in between.
"I'd hate to finish my time with the Wallabies having not had the experience of winning the Bledisloe."
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- New South Wales Waratahs
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- Rugby World Cup