wˈʌn ɪz ðə ɹˈoʊdstɚ vˈɜːʒən wˌɪtʃ ɪz ɐ ɹˈoʊd ɹˈɛdʒɪstɚɹəbəl ænd ðɪ ˈʌðɚɹ ɪz ɐ ɹˈeɪsɚ vˈɜːʒən wˌɪtʃ ɪz sˈɪŋɡəl sˈiːt tɹˈæk ˈoʊnli vˈɜːʒən.
One is the Roadster version which is a road registerable and the other is a Racer version which is single seat track only version.