Guides
Clear explanations of how car insurance and auto loans work, written to support our calculators.
Auto Insurance
- How Are Car Insurance Rates Calculated?Insurers look at where you live, who drives, what you drive and how much coverage you choose. Here's how each factor works, and which ones you can influence.Updated October 4, 2026
- 10 Factors That Can Affect Your Car Insurance CostA practical look at what drives your premium, with the steps you can take for each factor that's within your control.Updated October 4, 2026
- Liability vs Full CoverageWhat liability-only and full coverage policies protect, what they leave out, and how to decide which fits your situation.Updated October 5, 2026
- How Does an Auto Insurance Deductible Work?How your deductible affects your premium, what you pay after a claim, and how to choose an amount that fits your budget.Updated October 5, 2026
- Can Your Credit History Affect Car Insurance?How credit-based insurance scores work, where they're allowed, and what you can do if credit is affecting your rate.Updated October 5, 2026
- How to Compare Car Insurance OptionsA step-by-step way to compare quotes fairly: matching coverage, checking deductibles and discounts, and looking beyond the price.Updated October 5, 2026
- Comprehensive vs Collision Coverage: What's the Difference?Collision and comprehensive both pay to repair or replace your own car, but for very different events. Here's what each covers, what neither covers, and how to decide whether you need them.Updated October 8, 2026
- What Is Gap Insurance and Do You Need It?If your car is totaled while you owe more than it's worth, regular insurance can leave you paying off a car you no longer have. Here's how gap insurance works, where to buy it, and when it's worth it.Updated October 8, 2026
- Uninsured and Underinsured Motorist Coverage ExplainedIf you're hit by a driver with no insurance, or not enough, this coverage pays for what their policy can't. Here's how it works, what it covers, and how much to carry.Updated October 8, 2026
- Car Insurance for Young and New DriversYoung and newly licensed drivers usually pay the most for car insurance. Here's why, how to choose between a family policy and your own, and practical ways to bring the cost down.Updated October 8, 2026
- What Happens to Your Car Insurance After an AccidentFrom the first minutes at the scene to the claim, repairs and your next renewal, here's what to expect from your car insurance after an accident, and how to protect yourself along the way.Updated October 8, 2026
- How to Lower Your Car Insurance CostsPractical ways to reduce what you pay for car insurance, from comparing quotes and adjusting deductibles to discounts and driving less, with the trade-off behind each one.Updated October 8, 2026
Auto Finance
- How Auto Loans WorkPrincipal, APR, loan term and down payment explained, with a worked example of how the term changes your total cost.Updated October 4, 2026
- How Much Car Can I Afford?Common budgeting guidelines, the ownership costs people forget, and a simple way to set a price range before you shop.Updated October 4, 2026
- How Long Should a Car Loan Be?A longer loan lowers your monthly payment, but it usually costs more and keeps you owing more than the car is worth for longer. Here's how 36- to 84-month loans compare, with real numbers.Updated October 8, 2026
- How APR Works on Auto LoansAPR is the single most useful number for comparing car loans, and a few percentage points can cost thousands. Here's what APR includes, how lenders set it, and how to get a lower one.Updated October 8, 2026
- How Much Should You Put Down on a Car?A bigger down payment lowers your monthly payment and total interest, and protects you from owing more than the car is worth. Here's how much to put down, with worked examples.Updated October 8, 2026
- How to Get Preapproved for an Auto LoanGetting preapproved before you shop tells you what you can borrow and at what rate, and gives you a benchmark to negotiate with. Here's how it works, step by step.Updated October 8, 2026
- Leasing vs Buying a Car: Which Is Right for You?Leasing usually means lower payments and a new car every few years; buying usually costs less over time and leaves you with something you own. Here's how to compare them honestly.Updated October 8, 2026
- Refinancing a Car Loan: When It Makes SenseRefinancing replaces your car loan with a new one, ideally at a lower rate. Done well, it can save thousands; done carelessly, it can cost more. Here's how to tell the difference.Updated October 8, 2026
