Yes, you can get instant car insurance coverage. Many car insurance companies offer same-day insurance, allowing you to start your policy immediately on the same day you buy it. Most drivers are approved immediately, and larger affordable companies like State Farm, American Family, and Geico offer same-day insurance. To get same-day car insurance, you should know what's involved and have the necessary information about your cars and drivers ready. You can purchase instant auto insurance online or over the phone with almost any insurer to start the very same day. Through online quote tools directly from the insurance company's website or from a licensed insurance agent, a new car insurance policy can be available to you in no time.