No, the word ‘car’ is not a proper noun. A proper noun refers to the specific name of a person, place, organization, or sometimes thing, and is typically capitalized.
In contrast, ‘car’ is a common noun. It refers to a general category of vehicles rather than a specific brand or model. For example, ‘Toyota’ or ‘Ford’ would be considered proper nouns, as they identify specific manufacturers. However, when you use the term ‘car’ to describe any vehicle that falls under that category, it does not indicate a unique entity, and therefore, it is not capitalized.
To summarize, ‘car’ is a common noun, while proper nouns are distinct and capitalized to signify unique identities.