ˈoʊnli wˈʌn ˈɑːɹ θɹˈiːhˈʌndɹɪd nˈaɪnti ɹˈoʊd kˈɑːɹ wʌz ˈɛvɚ bˈɪlt ænd ɪz stˈoːɹd æt nˈɪsɑːnz zˈɑːmə fəsˈɪlᵻɾi, ɔːlðˈoʊ wˈʌn ʌvðə ɹˈeɪs kˈɑːɹz wʌz lˈeɪɾɚ mˈɑːdᵻfˌaɪd fɔːɹ ɹˈoʊd jˈuːs.
Only one R390 road car was ever built and is stored at Nissan's Zama facility, although one of the race cars was later modified for road use.