| 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 |
| C.G.E. (France) | 1941 - 1946 | --> 3 | ||||
| C.G.V. Charron (France) | 1 | 1901 - 1930 | --> 4 |
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| Cadillac (United States of America) | 316 | 1902 - | --> 34 | --> 439 | 3 msg |
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| Callaway (United States of America) | 9 | 1977 - | --> 24 |
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| Carnation (United States of America) | 1 | 1912 - 1914 | --> 2 |
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| Case (United States of America) | 2 | 1910 - 1927 | --> 4 |
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| Castagna (Italy) | 1 | 1994 - | --> 3 | 2 msg | ||
| Caterham (United Kingdom) | 11 | 1959 - | --> 5 | --> 12 |
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| Ceirano (Italy) | 1 | 1901 - 1904 | --> 3 |
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| Chadwick (United States of America) | 1 | 1904 - 1916 | --> 4 |
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| Champion (Germany) | 1 | 1947 - 1956 |
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| Changan (China) | 18 | 1990 - | --> 19 | |||
| Changfeng Yangzi (China) | 10 | 1993 - | --> 3 | |||
| Changhe (China) | 9 | 1980 - | --> 10 | 3 msg | ||
| Chaparral (United States of America) | 5 | 1961 - 1982 | --> 13 | |||
| Chappe et Gessalin (France) | 5 | 1967 - 1974 | --> 7 |
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| Checker (United States of America) | 33 | 1922 - 1982 | --> 10 |
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| Chenard & Walcker (France) | 12 | 1901 - 1946 | --> 31 |
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| Chery (China) | 23 | 1997 - | --> 43 | 10 msg |
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| Chevrolet (United States of America) | 1091 | 1911 - | --> 130 | --> 666 | 38 msg |
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| Chevrolet (Brasil) | 15 | 1925 - | --> 14 |
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| Chevrolet (Pakistan) | - | |||||
| Chevrolet (Venezuela) | 1979 - | --> 2 | 1 msg |
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| Chevrolet (Argentina) | - | |||||
| Chevrolet (Ecuador) | - | |||||
| Chevrolet (Mexico) | - | |||||
| Chevrolet (Chile) | - | |||||
| Chevrolet (Indonesia) | - | |||||
| Chevrolet (Colombia) | - | |||||
| Chevrolet (Malaisia) | - | |||||
| Chevrolet (Thailand) | - | |||||
| Chevron (United States of America) | 5 | 1968 - | --> 5 |
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| China Motor (Taiwan) | 1969 - | |||||
| Chrysler (China) | 2005 - | |||||
| Chrysler (United States of America) | 320 | 1923 - | --> 30 | --> 360 | 2 msg |
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| Chrysler (Australia) | 56 | 1935 - 1981 | --> 24 |
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| Chrysler Europe (France) | 15 | 1964 - 1978 | --> 8 |
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| Chrysler LLC Group (United States of America) | 1923 - | |||||
| Cime (France) | - | --> 2 | ||||
| Cisitalia (Italy) | 10 | 1946 - 1965 | --> 9 |
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| Citroen (France) | 451 | 1919 - | --> 78 | --> 508 | 318 msg |
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| Citroen (Argentina) | - | |||||
| Citroen (China) | 11 | 1990 - | --> 12 |
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| Citroen (Brasil) | - | |||||
| Cizeta-Moroder (Italy) | 1 | 1987 - 1993 | --> 4 |
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| Clement (France) | 6 | 1899 - 1922 | --> 33 |
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| Clement-Bayard (France) | 1899 - 1922 | |||||
| Clenet (United States of America) | 1 | 1976 - 1982 | --> 4 |
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| Coggiola (Italy) | 1966 - | --> 2 | ||||
| Colani Trading (Switzerland) | 2 | - | --> 29 | |||
| Columbia (United States of America) | 1897 - 1913 |
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| Comarth (Spain) | 1 | 1999 - | ||||
| Company Developments (United Kingdom) | - | |||||
| Concept car Ltd (United Kingdom) | 1 | - | ||||
| Concept Group International (United Kingdom) | - | |||||
| Connaught (United Kingdom) | 2 | 1949 - 1957 | --> 4 |
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| Continental (United States of America) | 1 | 1933 - 1934 | --> 4 | |||
| Cooper (United Kingdom) | 8 | 1946 - 1969 | --> 9 |
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| Corbin (United States of America) | 1 | - | --> 6 |
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| Cord (United States of America) | 3 | 1929 - 1937 | --> 11 |
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| Corre la Licorne (France) | 5 | 1901 - 1949 | --> 11 |
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| Coste (France) | 1 | - | --> 5 |
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| Cottereau (France) | 1 | 1898 - 1910 | --> 3 |
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| Cottin & Desgouttes (France) | 7 | 1904 - 1933 | --> 14 |
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| Courage (France) | 1 | - | --> 4 | |||
| Cournil (France) | 1 | 1960 - 1971 | --> 2 |
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| Crossley (United Kingdom) | 27 | 1904 - 1937 | --> 29 | |||
| Cugnot (France) | 1771 - 1771 | --> 2 | ||||
| Cunningham (United States of America) | 4 | 1951 - 1955 | --> 7 |
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