The Auckland Open remains elusive for Wozniacki, who is now a two-time runner-up.
"It's not about only winning here but it's about my consistency in the last weeks and months", Goerges said. "That makes me prouder and I'm just enjoying every moment".
In a final delayed by this week's persistent Auckland rain, Goerges ran riot against the Classic top seed, slamming victor after winner.
Her thundering forehand was a major asset, particularly when returning Wozniacki's serve, and she also had 11 aces.
The loss of two days of the tournament to rain meant the quarterfinals and semifinals had to be played on Saturday and Wozniacki admitted feeling in her legs and back the effects of playing five sets in a day, saying "I'm not 17 anymore". Goerges made an immediate statement at the start of each set with service breaks. She broke again in the first game of the second set, before the world No 3 fought back to force a tie-break.
Julia Goerges had an easier time on court on her way to the final
Goerges lost in the 2016 final to Sloane Stephens, lost in semi-finals to Greta Arn and Ana Konjuh and a quarter-final to Wozniacki in 2015.
At the Sydney International tennis tournament, Ekaterina Makarova kept cool in the fierce Australian heat to upset French Open champion and World No.7 Jelena Ostapenko 7-6 (7/3), 6-1 in the first round.
"Since I've been coming here for nine years, maybe it's time", Goerges said. After that, he appeared to move more freely and didn't expect it to trouble him at the Australian Open beginning next Monday.
"I didn't know what kind of performance I was going to put in this week, whether I was going to do well", he said.
"I felt a little exhausted going into the second match and then I played really well, started well, and I was like, this is going to be a good day at the office - and all of a sudden it's like, I'm starting to get a little more exhausted", Wozniacki said.