Definition: Costco Car Insurance is a type of auto insurance policy that provides coverage for your vehicle, its owner, and anyone else who may be injured or killed when you are involved in an accident involving your car. The term "costco" refers to the company's name, Costco, which is a member-owned warehouse chain located in the United States. The cost of buying a car insurance policy typically depends on various factors such as your driving history, location, age, and driving record, among others. For example, if you are driving a well-maintained car with few accidents or tickets, it may be cheaper to buy a standard auto insurance policy than an extended coverage plan. However, the cost of buying Costco car insurance can vary depending on several factors such as the type of coverage chosen and your location. Generally, low-risk drivers might pay less for coverage, while those who have more accidents or ticketed history might be required to pay higher premiums. Overall, Costco Car Insurance is a popular choice among consumers looking to save money on auto insurance by buying an extended coverage plan rather than an individual policy.