Grease and flour a 12-cup Bundt pan; sprinkle bottom of pan with 1/4 cup pecans. Set aside.
Beat sugar, oil, and honey at medium speed with an electric mixer until well blended. Add eggs, 1 at a time, beating just until blended.
Combine flour and next 4 ingredients. Gradually add to sugar mixture, beating at low speed just until blended. Stir in vanilla, remaining 3/4 cup pecans, and apple. Spoon over pecans in pan.
Bake at 350° for 55 to 60 minutes. Cool in pan on a wire rack 15 minutes; remove from pan, and place on a wire rack over wax paper. Pour 1/2 cup Honey Sauce over warm cake. Cool.
Heat remaining Honey Sauce; serve with cake and, if desired, ice cream.