The best 4x4s and off-road cars - driven, rated and ranked

Where we're going, we don't need roads: these high-riders are capable on just about any surfaceIf you want to climb every mountain and ford every stream, a proper rough-and-tumble vehicle is exactly what you need.
The best 4x4s and off-roaders are genuinely capable, mud-plugging machines designed to tackle terrain that would make a mountain goat think twice. 
But which is the best?  The choices for the 4x4 class aren't straightforward, because some prioritise o