- C3 Motors (2007)
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- Cadillac (1932)
- Cadillac (1938)(Cadillac Series 60 Special)
- Cadillac (1953)
- Cadillac (1963-1967)
- Cadillac (1976)
- Cadillac (2000-now)
- Callaway (1977)
- Callista (1950)
- Carbon Motors
- Cardi
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- Carlsson
- Caterham
- Caterham
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- Caterpillar (1986)
- Caterpillar (1986)
- Changan
- Changfeng
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- Checker (1929)(Checker Modell K6)
- Checker (1958)
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- Cheetah
- Chery
- Chery
- Chevrolet (1911-1923)
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- Chevrolet (1930)
- Chevrolet (1930-1933)
- Chevrolet (1934)
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- Chevrolet (1942)(Truck)
- Chevrolet (1942-1956)
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- Chevrolet (1947-1953)
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- Chevrolet (1953)(Truck)
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- Chrysler
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- Cizeta (1989)
- CKD (1929)
- Clan
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- Connaught (2004)
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- Сagiva
- Сaio (1962)