embodiments are provided of antenna mounting assemblies and vehicles that include such assemblies . in one aspect , an antenna mounting base for supporting a vehicle antenna with respect to a vehicle body panel that defines a panel aperture comprises : an antenna mounting portion ; a flange extending from a surface of the antenna mounting base ; and at least one tab defining a recess with the flange , the recess being sized and configured to mateably engage at least a portion of the body panel that borders the panel aperture .