You should watch this video - aero dominates vs weight (factors very little), especially with strong regen

https://www.youtube.com/watch?v=UmKf8smvGsA

+1 recommendation for this video. Also the owner of the channel participated in an EV cannonball run several times. I don't think they made it in one go, but still very cool how they had to plan for the trip and modify the vehicle.