Comparing car insurance quotes is a key step to finding the cheapest rates at the best of times — and after a car accident. We’ll show you some of the cheapest car insurance rates after one at-fault accident, explain how much your insurance will increase, how long it will stay elevated, and share how to protect yourself from being sued after an accident you cause. Learn more: How does car insurance work? The basics explained. Cheapest car insurance with one at-fault accident Even just one accident wil ...