Did a test today around town with my DE-P, 21" (aero cover removed), AC/music blasting.
Test 1: Swift, highway, aggressive driving, speed 80-105mph (too hard not to)
2.0mi/kWh (6.1mi, used 3kWh)
Test 2: Smooth, local street, calm driving at speed limit
3.0mi/kWh (10.9mi, used 4kWh)
Test 3...