10 Surprising Insurance Facts That Could Change How You Buy

While almost everything has become more expensive since 2020, car insurance has experienced a unique surge. According to the Bureau of Labor Statistics, auto insurance premiums have increased by 55% since February 2020 [1]. This is roughly double the rate of overall inflation during the same period.

The primary drivers aren’t just corporate profits; they include the rising cost of high-tech auto parts (like sensors in bumpers), increased medical costs, and a spike in severe accidents that occurred during and after the pandemic. If you haven’t shopped for a new rate in the last 12 months, you are likely paying a “loyalty tax” that could be avoided by comparing quotes.

In many states, your credit-based insurance score is one of the most significant factors in determining your premium. Data analyzed by The Wall Street Journal indicates that insurers use credit as a proxy for risk management behavior [2].

A driver with a “poor” credit score and a clean driving record often pays significantly more than a driver with “excellent” credit and a recent speeding ticket. While some states like California, Hawaii, and Massachusetts prohibit this practice, most drivers should focus on improving their credit score to lower their insurance costs.

It sounds counterintuitive: shouldn’t a car that stops itself be cheaper to insure? Not necessarily. While Advanced Driver Assistance Systems (ADAS) reduce crash frequency, they dramatically increase “claim severity”—the cost to fix the car.

According to the Highway Loss Data Institute, a simple fender bender in a modern vehicle can cost thousands more than it did ten years ago because of the cameras and RADAR sensors embedded in the glass and bumpers [3]. For example, a Tesla Model S can cost 126% more to insure than a Toyota RAV4 due to these specialized repair requirements [2].

Insurance companies use a technique called “price optimization.” This is a data-driven method that predicts which customers are least likely to shop around. If you stay with the same carrier for years without questioning your rate, the company may incrementally increase your premium because they know you are unlikely to leave.

Shopping for insurance every year is the only way to combat this. Community discussions on platforms like Reddit suggest that users frequently save $300 to $600 annually simply by switching carriers, even when their personal risk profile hasn’t changed. To avoid other common pitfalls, see our guide on 15 Common Insurance Traps That Can Nullify Your Claim.

“Full coverage” is a marketing term, not a legal one. Usually, it just means you have liability, collision, and comprehensive insurance. However, with the average cost of a new car now exceeding $48,000, “state minimum” liability limits are often insufficient.

If you carry a property damage limit of $25,000 and hit a new electric SUV, you could be personally responsible for the remaining $23,000 or more. Expert analysis from Bankrate suggests that many drivers are currently underinsured because they haven’t updated their policy limits to reflect current vehicle and medical costs [1].

Filing a claim for a $1,200 repair when you have a $500 deductible might seem like a win, but it is often a long-term financial loss. Data shows that causing an accident can increase your premium by an average of 59% [2]. Over the three to five years that the accident stays on your record, you will likely pay back that $700 “payout” several times over in increased premiums. We discuss similar misconceptions in our article on Debunking 7 Common Insurance Myths That Could Cost You Money.

Environmental impact is becoming a priority for many, as seen in the rise of Sustainable Insurance: Plans That Consider Environmental Impact. However, EVs are currently more expensive to insure than their gas counterparts.

The Insurance Information Institute notes that battery packs are expensive to replace and specialized technicians are in short supply, which drives up labor rates [4]. If the battery casing is even slightly damaged in a collision, insurers often “total” the car because the risk of future fire or failure is too high to repair safely.

In most states, married drivers pay less than single, divorced, or widowed drivers. Statistical models used by insurers suggest that married individuals are more “stable” and take fewer risks on the road. Similarly, some insurers offer discounts for people with Master’s or PhD degrees. While these factors have little to do with how you handle a steering wheel, they are heavily weighted in the “proxy data” used to calculate your premium.

Comprehensive coverage is often misunderstood. It covers theft, fire, and falling objects (like a tree branch), as well as collisions with animals. However, it does not cover “mechanical breakdown.” If your engine seizes because you didn’t change the oil, insurance won’t help. Furthermore, the Highway Loss Data Institute has seen a massive spike in comprehensive claims recently due to “trend-based” thefts, such as the social media-driven theft wave targeting certain Hyundai and Kia models [3].

Telematic programs—where a plug-in device or mobile app tracks your braking, speed, and cornering—can offer discounts of up to 30%. This is becoming the standard for drivers looking for the lowest possible rates. However, the catch is data privacy. Some insurers have been found to sell this “driving behavior” data to third-party aggregators, which can then be accessed by other companies or even impact your rates across different insurance types.

Action Plan for Drivers

• Audit Your Limits: Check if your “Property Damage” liability covers at least $50,000 to $100,000 to account for the high cost of modern vehicles.
• The 3-Year Rule: Shop for new quotes every three years or after a major life event (marriage, moving, or a credit score increase of 50+ points).
• Avoid Small Claims: Pay out-of-pocket for damages that are less than twice your deductible amount to avoid premium hikes.
• Check “Theft Risk” Before Buying: Before purchasing a new car, check its theft frequency via the Highway Loss Data Institute to ensure you aren’t buying a “high-premium” model.

Insurance is no longer a “set-it-and-forget-it” expense. By understanding that your credit score, vehicle technology, and even your marital status play a role, you can take control of your premiums and ensure you are actually protected when a crisis occurs.