It sounds like you have provided a comprehensive list of features for the 2018 GMC Sierra 2500 mod for Farming Simulator 25. Here's a breakdown of the features you mentioned:
1. Speed 180 km/h: This high-speed capability allows for quicker transportation within the game.
2. Selectable Wheels: Players can choose different wheel options to customize the look of their GMC Sierra 2500.
3. Selectable Attachers: Different attacher options provide flexibility for attaching various implements or trailers.
4. Selectable Grill: Customizable grills allow for personalization of the truck's front-end appearance.
5. Selectable Front Bumper: Players can select different front bumper styles to suit their preferences.
6. Selectable Rear Bumper: Similar to the front bumper, the rear bumper options add to the truck's customization.
7. Selectable Bed Stuff: Various bed accessories or modifications can be chosen to enhance functionality or aesthetics.
8. Selectable Steps: Different step options can be selected based on the player's preferences.
9. Selectable LED Color: Customizable LED lighting colors allow for unique visual effects.
10. Selectable Windows: Players can choose different window tint or style options.
11. Selectable Roof: Customizable roof options add to the truck's overall look.
12. Selectable Mirror: Different mirror styles can be selected for improved visibility or appearance.
13. Choice of Color: Players can choose from a variety of colors to paint their GMC Sierra 2500.
14. Cargo Securing Straps: The presence of cargo securing straps in the body allows for safe and secure transportation of goods.
These features provide a high level of customization and detail, enhancing the overall gameplay experience for users who enjoy modding vehicles in Farming Simulator 25.