| Make | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Make | # | Date | Links | Pictures | Forums | History |
| Kaiser (United States of America) | 3 | 1946 - 1955 | --> 13 |
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| Kamaz (Russia) | 2 | - | --> 3 | |||
| Karmann (Germany) | 1 | 1901 - | --> 2 | |||
| Keinath (Germany) | 2 | - | --> 5 |
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| Kenny Brown (United States of America) | 1 | - | --> 3 |
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| Kerman (Iran) | 1991 - | |||||
| Kia (South Korea) | 145 | 1974 - | --> 7 | --> 201 | 42 msg |
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| Kia (China) | 2005 - | |||||
| Kia Motors Group (South Korea) | 1974 - | |||||
| KIM (Russia) | 1 | 1930 - 1941 | --> 4 |
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| King (United States of America) | 1 | 1896 - 1924 | --> 3 | |||
| Kissel (United States of America) | 2 | 1906 - 1931 | --> 4 |
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| Knight (United Kingdom) | 1 | 1895 - 1896 | --> 3 | |||
| Koenig (Germany) | 4 | 1977 - | --> 8 |
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| Koenigsegg (Sweden) | 4 | 1993 - | --> 21 |
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| Kougar (United Kingdom) | 1 | 1961 - 1968 | --> 7 | |||
| Krieger (France) | 1 | 1897 - 1909 | --> 3 |
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| KTM (Austria) | 1 | - | --> 4 | |||
| Kurtis (United States of America) | 3 | 1948 - 1955 | --> 7 |
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