60–200+ hours if you enjoy the core loop of "pick up, drive, deliver, repeat." Note: Supporting SCS Software by purchasing the game and DLCs helps fund future reworks (like the upcoming Missouri and Arkansas DLCs). The P2P version is best used as a demo or for offline archival.
You rely on Convoy multiplayer, Workshop mods, or automatic updates. You'll miss the social features and the convenience. American Truck Simulator v1.51.2.7s-P2P
8.5/10 Deducted points for the missing multiplayer and one or two new map glitches, but otherwise a rock-solid P2P release of an excellent simulation. 60–200+ hours if you enjoy the core loop