From what I’ve read online on game forums etc most ppl the game lasts 60ish hrs and that seemed to be before the DLC which I would say can easily add another 15-20 hrs. Personally I’ve done everything in the base game and half way through the DLC and I’m at about 50 hrs so it depends on how much you go from A to B and how much you go from A to J to d to h etc. Basically the more ‘lost’ you’re willing to get exploring the world and locations the the longer the game will last.