We spend a lot of time in the mountains in our self-build PM. Total weight 6,900 lb carried low—nothing overhead. We have not found a paved road it could not climb, albeit sometimes slowly. Loose gravel, the disadvantage of FWD comes into play. Weight shifts to the non-driven rear wheels. In all our years chasing remote trailheads, there have been exactly 2 climbs we bailed on—both forest service roads.