Buying or selling a car can be complicated, confusing, and time-consuming. Fortunately, there are a few ways to make the process easier. One vital piece of information is the “Blue Book value” of your car. This value, derived from the Kelley Blue Book, a leading automotive guide, is a trusted benchmark that can help you negotiate a fair price and even score a deal. But what exactly is the Blue Book, and why do car dealers, buyers, and even insurance companies consider it the holy grail of car pricing? Let’s unveil the history and uses of this popular guide.

Who Is ‘Kelley’?

This historic automobile guide was named after Los Angeles car dealer Les Kelley. Cars weren’t just a career for Kelley but a way of life. He opened his first used car business, Kelley Kar Company, in 1918 with just three Model Ts for sale. Around the same time, he debuted his marketing campaign “Selected Blue Seal Automobiles,” which became the earliest version of the Kelley Blue Book seal. His sales soared during the early 1920s, and in 1926, Kelley published his first Blue Book, which included a list of cars he wanted to buy and what he was willing to pay for them.

The Rise of the Blue Book

Now North America’s most trusted vehicle price guide, Kelley Blue Book’s popularity took off during the 1930s, becoming the bestselling automotive book. By World War II, the U.S. government was using the Blue Book to set price ceilings for used cars. The 1960s and ‘70s brought big changes to the guide. It became the first guide to use mileage to determine a car’s value, and the company added a “New Car Price” list to its repertoire. This is also when the company’s first guides for other types of vehicles — motorcycles, travel trailers and campers, ATVs, snowmobiles, and manufactured housing — debuted.

The Blue Book’s website launched in 1995, and within two years, it became the most visited automotive site on the internet. Today, it is an undisputed powerhouse among new and used vehicle pricing guides, providing thorough and up-to-date data to millions of consumers in the United States. The company also has automobile guides in Canada, Brazil, Australia, and China.

How to Use the Blue Book

The Blue Book is free to use. Simply enter the details of your vehicle or the vehicle you’d like to purchase on Kelley Blue Book’s website, and you’ll get instant feedback. The suggested prices are based on your entries, including the car’s make, model, style, year, mileage, and condition (fair, good, very good, or excellent). The Blue Book gives consumers a thorough snapshot of what a car is worth, but the information can be a little overwhelming for some. 

When assessing a car on Kelley Blue Book, you’ll notice two different values: Fair Purchase Price and Fair Market Range. The Fair Purchase Price reflects the price most consumers pay for this vehicle. It is a regional price average adjusted weekly for current market conditions. This valuation is different from most other pricing guides, which often give the lowest price a car is selling for. 

The guide also provides a Fair Market Range (with two numbers, one low and one high), which provides a broader perspective, estimating what consumers will pay this week in their area for the given vehicle based on year, make, model, and style. The range has nothing to do with the equipment or extras on the car (you already selected those during your input for the search). The range is solely based on recent transactions, supply, demand, and market changes.

More Blue Book Benefits

Not only does Blue Book give the Fair Market Range and the Fair Purchase Price, but consumers can also search for trade-in value, certified pre-owned value, and actual cash value. The latter comes in handy when filing a claim with your insurance company because you can check the Blue Book’s actual cash value against your insurance’s car valuation, leaving a possibility for negotiating if your valuation seems too low.

Users can also find helpful consumer ratings, video reviews, and 360-degree tours of vehicles for sale near you, making virtual car shopping more accessible than ever before. Once you’ve decided on a car, the online guide can also help you evaluate future costs, such as everyday maintenance, insurance, repairs, fuel, and anticipated depreciation.

Owning a car gives you the freedom to hit the open road any time you please — windows down, music up, and good times ahead. It also means you’ve made a sizable financial investment, considering a new car in 2024 comes with an average price tag of $47,338. Whether you’re driving a gas-powered car or have transitioned to an electric vehicle, keeping up with maintenance is necessary to extend its lifespan and protect its resale or trade-in value.

Drive Regularly

On average, Americans drive nearly 13,500 miles per year — that’s a lot of commuting. Not every car racks up that kind of mileage (nor does it need to), and some even sit in garages for weeks to months on end. In those cases, car maintenance experts recommend driving your car across town at least once per week. Tires, batteries, fluids, seals, and gaskets can all break down without regular use, but rolling 10 miles onto the odometer once a week can help keep them in shape.

Roll Through the Car Wash Frequently

Rust is one of your car’s biggest enemies, one that comes for all cars eventually. Rust spots are the visual sign of a chemical reaction between iron, oxygen, and water, but they’re more than an eyesore — rust breaks down your vehicle’s metal surfaces and makes them structurally unsound. Sleet, snow, road salt, and general grime can help feed corrosion, but knocking them off with regular washing and waxing every few weeks can extend the life of your car’s paint and frame.

Change Fluids On Schedule

Most drivers know to get their oil changed regularly; how often depends on your model, how frequently you drive, and the kind of oil used. But the other fluids that keep your car running need regular changes, too. Transmission, brake, power steering, and differential fluids all require attention at different mileage points or lengths of time shown in your vehicle manual. And don’t forget about ones you can easily top off at home, like windshield wiper fluid and engine coolant.

Monitor Your Battery’s Health

Batteries are important components for both gas and electric vehicles. After all, no car will start without one. Occasionally cleaning the battery terminals for gas-powered cars with a post cleaner brush can keep the connection strong, and you can use this time to check the battery indicator window, which will show a green dot for a healthy battery or a yellow (or missing color) dot for a battery that’s past its prime and in need of replacement. Regarding electric vehicles, car experts recommend charging them slowly, since fast chargers can degrade your car’s battery over time and shorten its lifespan.

Park Inside Your Garage

Parking indoors doesn’t only make getting in and out of your car more comfortable — it also reduces your vehicle’s exposure to the environment and preserves its paint finish and plastic components. Sunlight and temperature fluctuations can break down windshield wiper blades, fade headlights and plastic covers, and even wear down your battery faster. Parking in a garage can reduce UV and heat exposure.

Change Your Cabin Air Filter

Cars have cabin air filters that work like your home’s HVAC filters by capturing dust, pollen, and other unpleasant pollutants as air flows into the interior. These filters typically need replacement every 15,000 to 30,000 miles, based on your model, or sooner if you notice musty smells, whistling vents, or reduced airflow when running heat or air conditioning.

Check Your Tires Weekly 

Tires are a crucial safety component, and keeping an eye on their condition can prevent roadside emergencies. Highway safety organizations recommend looking over your tires weekly for visible damage, such as cracks, bulges, or embedded objects, and checking tire pressure monthly (including your spare). Tires should also be rotated every 5,000 miles, and replaced as they age — reaching no more than 6 years old.

Use Your Parking Brake

If you last used a parking brake during your driver’s exam, it may be time to start. Sure, parking brakes keep your car from rolling down a hill, but they also take pressure off your transmission’s parking pawl. This pin slides into place when you put the car in park, and activating the parking brake before you shift into P limits stress on that small part. Transmission replacements are one of the most costly car repairs you can incur, so taking this small step every time you park can help your car get further down the road.