In a future where we use technology sustainable, there will be more vehicles, not less. Each will be used for what it is best at.
My current collection of vehicles (in Wyoming) is almost like your wish list: 1) Prius for travel, 2) Subaru Forester for getting around in snow and ice and as a second vehicle when the Prius is in use, 3) Ford F150 4WD for plowing snow and hauling big loads, and 4) motorcycle for all trips when the road is dry and I am not carrying much stuff. The SRK will replace the motorcycle, and I expect it to be an all season vehicle. With 2WD, software differential, and 70% of weight on the drive wheels, it should be very good on snow and ice.
My current collection of vehicles (in Wyoming) is almost like your wish list: 1) Prius for travel, 2) Subaru Forester for getting around in snow and ice and as a second vehicle when the Prius is in use, 3) Ford F150 4WD for plowing snow and hauling big loads, and 4) motorcycle for all trips when the road is dry and I am not carrying much stuff. The SRK will replace the motorcycle, and I expect it to be an all season vehicle. With 2WD, software differential, and 70% of weight on the drive wheels, it should be very good on snow and ice.