George vs Berk
We purchased a 2013 Georgetown 378 XL
First time motorhome, I don't believe it is under powered.
We tow a 2008Honda CRV with no issues. Can travel 60 MPH up almost any hill. It will down shift some when put under pressure and it can be somewhat loud if the fan clutch engages and it revs to 4500 RPM but I keep it easy.
Certainty not a power house but not looking to go 70 up any hill.
Our previous RV was a fifth wheel pulled by a Duramax. No problem with speed.
The biggest factor in buying a MH was the floor plan. We love it and would buy it again if we did it over.
Now, if money was not an issue I would buy a MH with 500 HP/1200 ft lb of torque engine.
For the money we were able to buy a new unit with plenty of amenities.
We have been very pleased with our buy.
Hope this helps with info on the Georgetowns, no experience on the Bershires.
2013 Georgetown XL 378
2008 Honda CR-V