Enigma

e·nig·ma? ?/??n?gm?/ Show Spelled Show IPA
noun, plural e·nig·mas, e·nig·ma·ta ?/-m?t?/ Show Spelled Show IPA.
1. a puzzling or inexplicable occurrence or situation: His disappearance is an enigma that has given rise to much speculation.
2. a person of puzzling or contradictory character: To me he has always been an enigma, one minute completely insensitive, the next moved to tears.
3. a saying, question, picture, etc., containing a hidden meaning; riddle.
4. ( initial capital letter ) a German-built enciphering machine developed for commercial use in the early 1920s and later adapted and appropriated by German and other Axis powers for military use through World War II.

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Origin:
1530-40; < Latin aenigma < Greek aínigma, equivalent to ainik- (stem of ainíssesthai to speak in riddles, derivative of aînos fable) + -ma noun suffix of result

(or, a very nice range rover!!!!!!!!!)