Both Naruto and Luffy are very determined fighters that will stop at nothing to defeat their enemies and achieve their ultimate goals. While Luffy is a strong fighter in his own right, his strength is nowhere near the level needed to put Naruto down in a fight.

Can current Luffy beat Naruto?

Any Naruto from before Six Paths, Current Luffy stomps. Six Paths Naruto, I consider it 40-60 in favor of Naruto, 20-80 if Naruto brings out the Asura Kurama mode. If you are allowing Conqueror's Haki, Luffy stomps every Naruto by turning Kurama against him.

Can Luffy beat Naruto with gear 5?

Luffy, in Baryon Mode and Gear 5 mode, would probably end in Luffy's victory since he's too unpredictable for the more grounded Naruto to handle.