ðə kˈeɪ θɹˈiː z ɡɹˈeɪɾɪst ˌɪntɚnˈæʃənəl səksˈɛs kˈeɪm ɪnðə nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi fˈoːɹ twˈɛnti fˈoːɹ ˈaʊɚz ʌv lə mˈænz, wˌɛn tʃˈæsi hˈæʃ kˈeɪ θɹˈiː θˈaʊzənd twˈɛnti sˈɛvən fˈɪnɪʃt fˈoːɹθ ˌoʊvɚɹˈɔːl ænd wˈʌn ðɪ ˈɪndɛks ʌv pɚfˈoːɹməns, æz dɹˈɪvən baɪ ɹˈɔɪ ˈɛkəlz ænd sˈiː.ˈiː.sˈiː. "tʃˈɑːɹli" mˈɑːɹtɪn.
The K3's greatest international success came in the 1934 24 Hours of Le Mans, when chassis # K3027 finished 4th overall and won the Index of Performance, as driven by Roy Eccles and C.E.C. "Charlie" Martin.