It continues Ken Hinkley's dream start to the season at the helm of the Power, despite an uneven performance across four quarters.
But it was thanks to a clinical second term where Port booted nine goals to one that sealed the victory for the visitors.
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The Power boys were never troubled in winning 16.8 (104) to 9.12 (66).
It was a successful return to the Gold Coast for Hinkley, who was Guy McKenna's assistant for the past three years.
Port Adelaide now sits alongside Essendon on top of the competition and hosts West Coast at AAMI Stadium next Saturday.
The Power worked relentlessly both with and without the ball, suffocating the Suns (1-3) in close, and spreading hard when they won the ball.
Hamish Hartlett was outstanding, racking up 29 quality disposals and kicking all three of his goals in the match-turning second quarter.
Kane Cornes was also influential, turning his night around after a horrid first quarter.
He started alongside Gary Ablett and watched the Suns skipper notch 15 disposals for the term, but was then set free by Hinkley.
He finished with 35 touches, with an astonishing 33 of them uncontested.
As Cornes ran free, Dom Cassisi switched over to Ablett and kept him to 19 touches for the final three terms.
It was a complete team effort built on power running and desperation without the ball.
Jay Schulz (four goals) and Justin Westhoff (three) were a handful for the Suns' defence.
Schulz took a spectacular mark in the third quarter, jumping on to the shoulders of Sam Day to pull down a screamer.
The Power's pressure flustered a Gold Coast team that had been super competitive in the opening three rounds but got a big reality check on its home turf.
Whether it was Hinkley's intimate knowledge of the Suns or just his team's superior work-rate, it was largely one-way traffic.
They literally ran rings around Gold Coast in the second quarter.
Jake Neade's sublime snap typified the dominance as he tracked down a loose ball, sold Greg Broughton some candy, then calmly walked into an open goal as the Suns defender flew past him.
It was a poor night for the Suns, who entered the match without Harley Bennell (hamstring) and lost Joel Wilkinson (ankle) and Matthew Warnock (shoulder) with injury.
In contrast, the return of Robbie Gray from injury after a year away from AFL football would have heartened Port Adelaide supporters.
Although he played as sub, Gray demonstrated a hard attack on the football during his forty minutes of game time.
Port Adelaide now has the tough challenge of hosting top eight fancies West Coast at AAMI Stadium on Saturday 27 April at 7.10pm
Final scores
PORT ADELAIDE 3.2 12.5 15.8 16.8 (104)
GOLD COAST 4.3 5.4 6.8 9.12 (66)
GOALS
Gold Coast: Thompson 2, Brennan, Matera, Harbrow, Hall, Smith, O’Meara, May
Port Adelaide: Schulz 4, Wingaard 3, Westhoff 3, Hartlett 3, Neade 2, Renouf
BEST
Gold Coast: Ablett, Thompson, Matera, O’Meara, Dixon
Port Adelaide: Hartlett, Cornes, Westhoff, Schulz, Wingard, Wines, Cassisi
INJURIES
Gold Coast: Wilkinson (ankle), Warnock (shoulder)
Port Adelaide: TBC
SUBSTITUTES
Gold Coast: Luke Russell was subbed on for Joel Wilkinson (ankle) in the second quarter.
Port Adelaide: Robbie Gray was subbed on for Jake Neade in the third quarter.
Reports: Nil
Umpires: Ryan, Findlay and Fisher
Official crowd: 11,332 at Metricon Stadium
