Volt 2.0 rating looks good. I'm curious to see it in person later this autumn at my preferred Chevy dealer and do a road test to feel how different it is from my former 2012 ....
Volt 1.0 was rated AER 60'ish e-km. 80 e-km was doable in the summer, 40 e-km at the worst of the winter. Once the HV battery was depleted, my average was between 5.5 - 7.5 L/100km depends on speed, temperature & terrain.