Tires suitable for off-road use can be categorized into three main groups: All-Terrain, Mud-Terrain, and Rugged-Terrain. All-Terrain (A/T) tires are the most prevalent, and suitable for use on most terrain traveled by outdoors enthusiasts from coast to coast, including pavement. Mud-Terrain (M/T) tires are tough, with aggressive tread blocks for off-road grip, and large void spacing to clear mud and rocks. These are at home in sticky Georgia clay and Mississippi mud, as well as rocky trails like those found in the desert southwest. Rugged-Terrain (R/T) tires are a comparatively new category and somewhat of a hybrid, falling between All-Terrain and Mud-Terrain in terms of aggressiveness...