Range Rover and LR4 tackle the San Juan Mountains (photos)

We recently got a chance to go on the most amazing off-road adventure in the 2011 Range Rover and the 2011 LR4. Both vehicles have had minor tuning to their engines to make them more efficient, and they received a bit of a face-lift. But how well the do the Range Rover and LR4 do in the great outdoors?