When considering car insurance policies, do you need comprehensive or collision coverage? Here's what you need to know.

WSJ Buy Side is The Wall Street Journal’s research and commerce team. Our commerce content is distinct from our newsroom coverage. We earn a commission from some links in our articles. Learn more.

Car insurance is an essential part of any vehicle ownership, whether you're driving a secondhand Toyota Camry that cost you just a few grand, or a brand-new BMW M4 that you spent nearly six figures on ...