Baseline (Widescreen) Solution & Issues
Ultra/Super-Wide (21:9/32:9) Specific Solution & Issues
Eyefinity / Surround Specific Solution & Issues
NOTE: User Interface is completely customizable and scales with the aspect ratio. If you use a wider (or taller) resolution, you have more spaces to place parts of the game UI, anywhere you want (so either centered, or to the sides).
More information can be found on the game's official wiki page in regards: https://wiki.beamng.com/Editing_UI
4k UHD Specific Solution & Issues