For the Gas motorhomes towing a car can cost 5-7 mpg, towing your EV with eSherpa mode you can have 8-10 mpg and fun during the drive and silence in the cabin as you climb up the mountains.
Downhill you can save the brakes controlling your EV regenerative braking using the eSherpa function. Most of the energy you can harvest back that you used for going uphill.
Use your EV like a plug-in hybrid extension of your motorhome