England retained the urn this summer with a 3-1 win on home soil, but Strauss said that there is nothing quite like winning it away from home.
"The greatest moment in my career was lifting the Ashes urn in Sydney," he told Sky Sports News.
"It was a bit of a Holy Grail for English cricket, to win in Australia, we hadn't done it for 24 years and to step on that rostrum and see a lot of Australians not very happy with life was a pretty good thing.
"I think England have got a great chance. Australia maybe aren't quite the side they used to be but England are strong, I think England have got a really good feeder system coming through."
Strauss captained England from 2009 to 2012.