Described are preferred compositions for a motor fuel. Such motor fuels may be particularly well suited for use in the motor of an aircraft. In particular, compositions of the present disclosure may comprise alicyclic alkanes, straight or branched chain alkanes, and aromatics. In a preferred embodiment, the fuel comprises cyclopentane, isooctane, and one or more aromatics selected from xylene, toluene, and trimethylbenzenes. The present disclosure describes a full spectrum of unleaded fuels with various motor octane (MON) values to address a wide range of aviation fuel needs in the global marketplace.