You never forget the first time you hear granite biting into sheetmetal--the hairs on your neck stand up. No doubt that's what our trail boss heard as we traversed our first nasty off-road obstacle.

Along with its colossal 9,000-lbs (4,082 kg) curb weight, and its ability to shoot from zero to 60 mph (96 km/h) in as little as 3.0 seconds despite it, the Crabwalk feature is one of the most ...