Part 4 is the best story-wise, but you'll start seeing some crazier stands and really good characters from here on. I've only completed up to 6 and have limited knowledge of 7, but I know 7 is critically acclaimed.

Like you though, 4 is my favorite. It goes 4 -> 5 -> 2 -> 6 -> 1 -> 3 for me. There's a decent chance they might stop the anime at part 6, which is sad since 6 isn't that great outside of cool characters, in my opinion.

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That's a bit of a tough question to answer, Part 4 has some of my favorite characters and stands but I've really been enjoying part 5 lately since it's getting animated. Part 2 for second place though.

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Honestly, my favorite part is probably Diamond is Unbreakable, or the current one in the anime Golden Wind. When it completes I might even consider JoJolion one of my favorite parts too.

To rate all the parts I'd say: 4 > 5 > 8 > 7 > 2 > 3 > 6 > 1

Minuano : The extra scenes they've been doing in Golden Wind to flesh out the characters gives me some cautious optimism for the inevitable Stone Ocean anime. My biggest complaint was the very little characterization there was. Part 4 was almost all character building, while 6 was almost no character building at all. And what you do get is kinda too little too late.

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