How AutoCheck Works

Signs advertise new and used car sales at the Glendale Mitsubishi car dealership in Glendale, Calif. Want to learn more? Check out these Car Safety Pictures!
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You know how the credit score reporting companies hang that number over your head for everything you want to do in your life, ever? Buying a house, buying a car, getting a credit card, even getting a job depends on that one mysterious number. Wouldn't it be cool if someone besides you had a number like that following them around? Maybe something inanimate? Maybe, perchance, every car built since 1981?

Well, dreams can come true. AutoCheck is a service of Experian, one of the huge companies that provides your credit score. It applies its data-crunching mega-servers to create a similar score for nearly every used car on the road in the United States -- and there's something like a half a billion cars in its national vehicle database. That's right. A half a billion. You might think it takes a few days and a stack of dollars to get this precious score, but no. It takes about two seconds and 30 bucks. Make that 45 bucks if you want to look up more than one car.


AutoCheck has been providing these scores to consumers since 2002, but somehow it's not as well-known as its most famous competitor, CarFax. The biggest difference between the two is in the sources they use to determine a car's history. They do share some sources in common, but they have their own exclusive go-to guys, too. "AutoCheck exclusives are around accident information, specifically frame damage," said Lynn Kator, senior director of marketing at Experian Automotive.

"We take a lot of info and distill it into one easy-to-understand number," she added. "Instead of you trying to figure out the data, we built the algorithm to do that on the back end. Any and all information helps the consumer make a more educated decision. A more complete picture makes for a more confident decision."

How complete is that information? Let's peek behind the curtain to check out AutoCheck.


Making the Grade

AutoCheck uses a bunch of sources to come up with its scores, including:

  • Department of Motor Vehicles (DMV)
  • Salvage and recycling yards
  • Dealer auctions
  • Police reports
  • Federal Emergency Management Agency (FEMA)

"Automotive auctions in particular, where they're physically inspecting the vehicle," are good sources of specific information, Kator said.


Title Check: If the car's been salvaged, rebuilt or burned up in a fire, it'll show up on the title.

Odometer Check: If anyone's messed with the odometer at all, or if it's broken, it'll have been noted somewhere. Not even Ferris Bueller got away with odometer tampering on that Ferrari, remember. AutoCheck also alerts you if the miles seem suspiciously low, like a 1995 Toyota Camry with 10,000 miles (16,093 kilometers). Doubt it.

Problem Check: Aren't they all problems? Specifically, this section looks for frame damage, water damage (hello, Hurricane Katrina!) and if the car has earned official lemon status.

Use and Event Check: This is where you find out if the car's been ridden hard and put away wet, as they say. Rental cars, police cars, taxis, and government-use vehicles may have seen some hard miles, but they've also been treated to regular maintenance, Kator pointed out. Cars that have been in accidents or stolen may not have been so pampered, but that'll show up here, too.

Of course, none of these checks take into account maintenance records or condition, like rips in the seat or stains on the carpet. Those are the kinds of things you're just going to have to see for yourself.


What You See

AutoCheck allows you to know as little or as much as you like about the history of a vehicle. Some of us are already so overwhelmed by the car-shopping process that we glance at the score in the blue box on the first page of the vehicle history report and call it good. Or bad, depending on the score.

A quick glance at the vehicle comparison is a good idea, too -- that is, if you can bear doing just a tad bit more. It'll give you a range of typical scores for vehicles like the one you're looking at, which will tell you if this car's score is good or bad. Say the vehicle that makes your heart go pitter-pat gets a lousy-ish score of 40. Under that pathetic number, it says "Similar Vehicles Score" and gives a range. Turns out, cars like the one you so strangely love usually rate even worse! Hurrah! The car you want to buy is the best of a sorry bunch! Congratulations.


On the other hand, if the vehicle scores an acceptable 75, but its automotive peers range from 85 to 95, your impending purchase may be wearing the equivalent of an automotive albatross. Sorry, but you're going to have to delve a bit deeper to find out what mechanical or structural curse is hampering your potential car. Or just move on to the next candidate.

Some of us are detail-oriented nerds who will stop at nothing, not even page after page of scores, to know everything possible about the vehicle we're considering. These people will see the summaries at the bottom of the first page of the report as insulting. Summaries! Who do they think you are? A clueless Kardashian? Drilling down into AutoCheck's information and scores, including the full history (or at least as full as AutoCheck can manage), will give you the most complete picture of where your dream used car stands. It'll even give you case numbers for accidents that were reported to the police.

With all this information, though, there's still an important piece missing: price. AutoCheck just doesn't get into that. It does, however, have partners like the NADA guide, Kelly Blue Book, and Ebay Motors where there are more prices than you can shake a dipstick at.


What You Get

So let's say that you've shelled out literally dozens of dollars for this report and were provided a rating. You're about to take AutoCheck's word for the worthiness of this steel and fiberglass beauty and plunk down a much bigger chunk of cash for the car. But before you do, you might rightly wonder, does AutoCheck have your back?

It does. Mostly. AutoCheck's buyback protection will give you 110-percent of the NADA guide retail price of your car if, after you buy it, you find out it did have a sizzling hot branded title or had seen time as a Los Angeles police cruiser. They'll even reimburse you for up to $500 in aftermarket parts, so that bumpin' stereo you installed in your "vintage" 1999 Dodge Neon isn't wasted.


Since you asked, here are the hoops you're required to jump through if you want AutoCheck to buy back your used car:

  • Buy the AutoCheck report for that VIN
  • Buy the car
  • Register the car with AutoCheck within 90 days of purchase
  • Still own the car when you ask AutoCheck to buy it back
  • Start the buyback process within a year of buying the car

If your car wasn't the LAPD cruiser but rather the stolen car the cop was chasing, the buyback policy does not apply to you.

Also keep in mind that a car's AutoCheck score will change over time as new information comes into the database. Things like accident reports and emissions scores are almost always going to change, but once a branded title, always a branded title. If you pay a bit more, you can run the VIN of the same car over and over and over -- if you're really that worried about it. But honestly, if you're that nervous, maybe your time would be better spent looking at a different car.


Can You Believe It?

Just think -- a vehicle history check could prevent you from buying this car.
China Photos/Getty Images

Verifying the shifty things people do to their cars is a tricky business, and AutoCheck knows it. Not every accident is reported, for a variety of reasons. Why report a little scraped paint and a dinged fender if you can tap out the bumps and spot-repair the paint? Why report a landscaping truck backing nearly over your hood if your brother can replace the front end at his shop after hours? He's got paint that will mostly match if you look at it under one of those sodium-yellow streetlamps. No biggie.

Consumer Reports did a check on AutoCheck and CarFax and found they both did a reasonably good job of reporting exactly what they promised -- but there were a few issues. They compared clean reports with pictures of the same cars on auction Web sites and found cars crumpled beyond recognition in some cases. "Wrecks can maintain clean titles if the vehicle doesn't have collision insurance, is self-insured as with many rental and fleet vehicles, or has damage falling below the 'total loss' threshold, which can vary by state," according to the report [source: Consumer Reports].


Despite that, Consumer Reports did recommend using automotive history reports, as well as a few other lesser-known sources, for checking out a car's sordid past:

There's also no way for you, dear consumer, to verify those happy green checkmarks on an AutoCheck report. However, you can -- and absolutely everyone recommends this, including Lynn Kator at AutoCheck -- take any used car you're seriously considering buying for an inspection by a professional.


Lots More Information

Author's Note: How AutoCheck Works

I have a used car sitting in my driveway right now, and I'll admit, I have run exactly zero vehicle history checks in my life. Ever. Not a one, for any car I have ever purchased. Now that I think about it, I personally have never owned a brand-new vehicle. They have all been used. (My husband has a new-off-the-showroom-floor vehicle. He's so fancy.)

Maybe I trusted my experience as an automotive journalist; maybe I was a foolhardy idiot. They're kind of the same thing. But I've been lucky; the only disaster of a used car was the first one I ever bought, and I think that's unavoidable. I doubt anyone in college has ever made a sound vehicle-purchasing decision in the history of the automobile.

I'm in love with my current car, so the chances of my using AutoCheck or the like is pretty slim. By the time I'm ready to buy again, there will be holograms available for test driving. Holograms of flying cars. I'm sure of it.

Related Articles

  • AutoCheck. "FAQ about AutoCheck Score." (Oct. 16, 2012)
  • AutoCheck. "The AutoCheck Advantage." (Oct. 16, 2012)
  • Consumer Reports. "Don't Rely on Used-Car-History Reports." June 2009. (Oct. 16, 2012)
  • Consumer Reports. "Beware the Flood of Flood Cars." April 2012. (Oct. 16, 2012)
  • Jensen, Christopher. "EBay Adds Car History Reports." The New York Times. Nov. 15, 2009. (Oct. 16, 2012)
  • Kator, Lynn. Senior director of marketing at Experian Automotive. Telephone interview conducted on Oct. 22, 2012.
  • Lang, Steven. "Hammer Time: CarFax vs. AutoCheck." The Truth About Cars. Oct. 5, 2010. (Oct. 16, 2012)