May hop on this tonight or tomorrow.
I hope that there won't be any story DLC. We, that is most of people who bought GTAV, don't deserve it.
When the game was initially released, I was legitimately pissed off reading all the comments from all the people bragging about completing it within a week. They spent all this time and effort creating this game and as soon as people bought it they went completing it from mission to mission as if they were trying to set a time record. Pretty much the equivalent of shoveling caviar in your mouth with a soup spoon or chugging down the finest champagne from a giant beer mug. And then they had the nerve to complain that the game was too short even though it's an open world game and there were a ton of different things to do other than playing it like a linear game and going from mission to mission like a madman.
And if there ever was a story DLC, it would obviously be much shorter than the main story. Most people would complete it within no time and then complain that it was too short.
It's not too short. I loved Red Dead Redemption, but it felt shorter than V to me because there wasn't quite as much stuff to do if you don't count the missions.
V felt like the longest GTA game to me and I've completed all of them 100%, with the exception of III which I was at around 97% I believe. What was different about this GTA game and the GTA games of the past + Red Dead is that they gave you the entire map to play around in right from the start. The biggest map of any GTA/RDR and on top of that the entire map was available right from the start!! And some people STILL just paused the game as soon as it started, put their GPS mark on whichever mission was available on the map, drove to that mission and completed it, paused the game again, put their GPS mark on whichever mission was available next and repeated this process over and over again until there were no missions left. And then when the end credits played they were writing a message on a forum *****ing about how short the game was.
So it's not a legit complaint IMO. And there were only 3 or 4 of those types of missions you mentioned. In general, the missions themselves were longer than in previous GTA games and there was more of them.