Developer YAGER switched to UE 4 early on when working to create awesome looking vehicles for Dead Island 2. See how creativity, speed, optimization and opportunity have flourished since switching to layered materials for environment assets on The Cycle.
https://dev.epicgames.com/community/learning/talks-and-demos/pXM/layered-materials-for-environments-unreal-fest-europe-2019-unreal-engine