Holy cow! Unity 2019.3 beta has some serious power packed in.
[Using HDRP]
1. Raytraced Shadows
2. Raytraced Reflections
3. Raytraced GI & AO
4. Path Tracing (not really realtime yet)
The future looks well lit!
[Sorry I should probably do a voice-over overview soon]
*The car model is a free asset available on the Asset Store