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U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV

The Automotive Answer Engine

Every car has an answer. We hold the evidence.

Ask about a VIN, price, or market. OAV returns an independent, snapshot-dated answer and the market evidence behind it — a verdict where the evidence supports one, and the evidence itself where it doesn't.

Found a car anywhere? Paste the VIN — OAV resolves it against the supported comparable range, drawn from millions of dealer-advertised listings. Dealers can't pay to change a verdict.

OAV.io is an independent automotive market-evidence platform. It evaluates asking prices against comparable listings and publishes a Price-to-Market verdict when the evidence supports one. Days-on-lot and sell-through from similar vehicles are separate demand evidence, never inputs to the Price-to-Market verdict.

Market snapshot · October 22, 2026

6M+

Unique vehicles analyzed

as of October 21, 2026

56,000+

US dealerships

Daily

Data pipeline

Comparable

Market-evidence analysis

3.3M new·2.7M used·Listings processed daily

Or explore the market

5,179 listings found

2004 Mercedes-Benz C-Class C240

Image from the dealer's site. OAV does not own, control, or store dealer images.

2004 Mercedes-Benz C-Class C240

Santa Rosa, CA

UnscoredInsufficient · 0
$2,500140,087 mi

Santa Rosa, CA

2017 Ford Fusion Hybrid SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2017 Ford Fusion Hybrid SE

Santa Rosa, CA

UnscoredLimited · 13
$2,700191,199 mi

Comparison: 13 similar vehicles

Santa Rosa, CA

2004 Toyota Corolla CE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2004 Toyota Corolla CE

Santa Rosa, CA

UnscoredInsufficient · 3
$2,955187,246 mi

Comparison: 3 similar vehicles

Santa Rosa, CA

2009 Volkswagen CC Luxury

Image from the dealer's site. OAV does not own, control, or store dealer images.

2009 Volkswagen CC Luxury

San Rafael, CA

UnscoredInsufficient · 0
$2,977152,355 mi

San Rafael, CA

2009 Volkswagen Jetta S

Image from the dealer's site. OAV does not own, control, or store dealer images.

2009 Volkswagen Jetta S

Santa Rosa, CA

UnscoredInsufficient · 4
$2,999163,427 mi

Comparison: 4 similar vehicles

Santa Rosa, CA

2017 Toyota Mirai

Image from the dealer's site. OAV does not own, control, or store dealer images.

2017 Toyota Mirai

Santa Rosa, CA

UnscoredInsufficient · 0
$3,00058,505 mi

Santa Rosa, CA

2008 Nissan Altima S

Image from the dealer's site. OAV does not own, control, or store dealer images.

2008 Nissan Altima S

El Cerrito, CA

UnscoredInsufficient · 4
$3,080159,265 mi

Comparison: 4 similar vehicles

El Cerrito, CA

2003 Toyota Camry LE V6

Image from the dealer's site. OAV does not own, control, or store dealer images.

2003 Toyota Camry LE V6

Santa Rosa, CA

UnscoredInsufficient · 0
$3,150218,555 mi

Santa Rosa, CA

2003 Honda Accord EX

Image from the dealer's site. OAV does not own, control, or store dealer images.

2003 Honda Accord EX

Santa Rosa, CA

UnscoredInsufficient · 0
$3,300229,240 mi

Santa Rosa, CA

2004 Honda Accord EX

Image from the dealer's site. OAV does not own, control, or store dealer images.

2004 Honda Accord EX

San Rafael, CA

UnscoredLimited · 7
$3,319213,967 mi

Comparison: 7 similar vehicles

San Rafael, CA

2012 Nissan Sentra SR

Image from the dealer's site. OAV does not own, control, or store dealer images.

2012 Nissan Sentra SR

Richmond, CA

UnscoredInsufficient · 4
$3,500146,161 mi

Comparison: 4 similar vehicles

Richmond, CA

2002 Lexus ES 300

Image from the dealer's site. OAV does not own, control, or store dealer images.

2002 Lexus ES 300

Santa Rosa, CA

UnscoredLimited · 10
$3,500185,902 mi

Comparison: 10 similar vehicles

Santa Rosa, CA

2000 Volvo S70 GLT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2000 Volvo S70 GLT

Fairfield, CA

UnscoredInsufficient · 0
$3,500139,730 mi

Fairfield, CA

2006 Toyota Corolla S

Image from the dealer's site. OAV does not own, control, or store dealer images.

2006 Toyota Corolla S

Santa Rosa, CA

UnscoredInsufficient · 0
$3,555195,897 mi

Santa Rosa, CA

2011 Nissan Altima S

Image from the dealer's site. OAV does not own, control, or store dealer images.

2011 Nissan Altima S

Santa Rosa, CA

UnscoredLimited · 7
$3,699155,060 mi

Comparison: 7 similar vehicles

Santa Rosa, CA

1998 Honda Accord LX

Image from the dealer's site. OAV does not own, control, or store dealer images.

1998 Honda Accord LX

Santa Rosa, CA

UnscoredInsufficient · 0
$3,800219,000 mi

Santa Rosa, CA

2016 Volkswagen Jetta S

Image from the dealer's site. OAV does not own, control, or store dealer images.

2016 Volkswagen Jetta S

Santa Rosa, CA

UnscoredLimited · 8
$3,987181,271 mi

Comparison: 8 similar vehicles

Santa Rosa, CA

2012 Volkswagen CC Sport

Image from the dealer's site. OAV does not own, control, or store dealer images.

2012 Volkswagen CC Sport

Santa Rosa, CA

UnscoredInsufficient · 4
$3,990189,877 mi

Comparison: 4 similar vehicles

Santa Rosa, CA

2008 Hyundai Elantra SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2008 Hyundai Elantra SE

Concord, CA

UnscoredInsufficient · 0
$3,998115,655 mi

Concord, CA

2011 Nissan Altima S

Image from the dealer's site. OAV does not own, control, or store dealer images.

2011 Nissan Altima S

Richmond, CA

UnscoredLimited · 7
$3,999218,374 mi

Comparison: 7 similar vehicles

Richmond, CA

2010 Mazda MAZDA3 i Touring

Image from the dealer's site. OAV does not own, control, or store dealer images.

2010 Mazda MAZDA3 i Touring

Santa Rosa, CA

UnscoredInsufficient · 0
$3,999171,159 mi

Santa Rosa, CA

2005 Mazda MAZDA3 S

Image from the dealer's site. OAV does not own, control, or store dealer images.

2005 Mazda MAZDA3 S

Richmond, CA

UnscoredInsufficient · 0
$3,999219,289 mi

Richmond, CA

2015 Nissan Altima S

Image from the dealer's site. OAV does not own, control, or store dealer images.

2015 Nissan Altima S

Santa Rosa, CA

UnscoredInsufficient · 4
$4,000169,730 mi

Comparison: 4 similar vehicles

Santa Rosa, CA

2015 Nissan Altima S

Image from the dealer's site. OAV does not own, control, or store dealer images.

2015 Nissan Altima S

Santa Rosa, CA

UnscoredInsufficient · 4
$4,000146,821 mi

Comparison: 4 similar vehicles

Santa Rosa, CA

2000 Mercedes-Benz E-Class E320 Sedan

Image from the dealer's site. OAV does not own, control, or store dealer images.

2000 Mercedes-Benz E-Class E320 Sedan

Pleasant Hill, CA

UnscoredInsufficient · 0
$4,298202,327 mi

Pleasant Hill, CA

2009 Hyundai Sonata LIMITED

Image from the dealer's site. OAV does not own, control, or store dealer images.

2009 Hyundai Sonata LIMITED

Santa Rosa, CA

UnscoredInsufficient · 0
$4,400147,610 mi

Santa Rosa, CA

2007 Toyota Camry Hybrid

Image from the dealer's site. OAV does not own, control, or store dealer images.

2007 Toyota Camry Hybrid

Santa Rosa, CA

UnscoredLimited · 15
$4,443180,996 mi

Comparison: 15 similar vehicles

Santa Rosa, CA

2015 Nissan Altima S

Image from the dealer's site. OAV does not own, control, or store dealer images.

2015 Nissan Altima S

Santa Rosa, CA

UnscoredInsufficient · 4
$4,487148,514 mi

Comparison: 4 similar vehicles

Santa Rosa, CA

2011 Audi A4 Premium

Image from the dealer's site. OAV does not own, control, or store dealer images.

2011 Audi A4 Premium

Fairfield, CA

UnscoredLimited · 6
$4,495144,000 mi

Comparison: 6 similar vehicles

Fairfield, CA

1998 Toyota Avalon XLS

Image from the dealer's site. OAV does not own, control, or store dealer images.

1998 Toyota Avalon XLS

Lafayette, CA

UnscoredInsufficient · 0
$4,499214,960 mi

Lafayette, CA

2015 Kia Optima LX

Image from the dealer's site. OAV does not own, control, or store dealer images.

2015 Kia Optima LX

Santa Rosa, CA

UnscoredLimited · 13
$4,500151,631 mi

Comparison: 13 similar vehicles

Santa Rosa, CA

2007 Audi A4 Base

Image from the dealer's site. OAV does not own, control, or store dealer images.

2007 Audi A4 Base

Martinez, CA

UnscoredInsufficient · 4
$4,500121,000 mi

Comparison: 4 similar vehicles

Martinez, CA

2005 Volvo S60 2.5T

Image from the dealer's site. OAV does not own, control, or store dealer images.

2005 Volvo S60 2.5T

Fairfield, CA

UnscoredInsufficient · 0
$4,500120,300 mi

Fairfield, CA

2013 Kia Rio LX

Image from the dealer's site. OAV does not own, control, or store dealer images.

2013 Kia Rio LX

San Rafael, CA

UnscoredInsufficient · 4
$4,819120,843 mi

Comparison: 4 similar vehicles

San Rafael, CA

2013 Nissan Altima Sedan SV

Image from the dealer's site. OAV does not own, control, or store dealer images.

2013 Nissan Altima Sedan SV

Berkeley, CA

UnscoredLimited · 11
$4,875187,000 mi

Comparison: 11 similar vehicles

Berkeley, CA

2012 Mazda MAZDA3 i Touring

Image from the dealer's site. OAV does not own, control, or store dealer images.

2012 Mazda MAZDA3 i Touring

Concord, CA

UnscoredLimited · 7
$4,900130,149 mi

Comparison: 7 similar vehicles

Concord, CA

2011 Mercedes-Benz C-Class C300 Luxury

Image from the dealer's site. OAV does not own, control, or store dealer images.

2011 Mercedes-Benz C-Class C300 Luxury

El Cerrito, CA

UnscoredLimited · 7
$4,900179,319 mi

Comparison: 7 similar vehicles

El Cerrito, CA

2008 Hyundai Sonata SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2008 Hyundai Sonata SE

Vacaville, CA

UnscoredInsufficient · 0
$4,90099,100 mi

Vacaville, CA

2012 Acura TSX Technology Package

Image from the dealer's site. OAV does not own, control, or store dealer images.

2012 Acura TSX Technology Package

Santa Rosa, CA

UnscoredLimited · 7
$4,933201,871 mi

Comparison: 7 similar vehicles

Santa Rosa, CA

2011 Mercedes-Benz C-Class C300 Luxury

Image from the dealer's site. OAV does not own, control, or store dealer images.

2011 Mercedes-Benz C-Class C300 Luxury

Santa Rosa, CA

UnscoredLimited · 7
$4,950194,600 mi

Comparison: 7 similar vehicles

Santa Rosa, CA

2009 Ford Fusion SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2009 Ford Fusion SE

Concord, CA

UnscoredInsufficient · 0
$4,990128,933 mi

Concord, CA

2011 Mercedes-Benz E-Class E350 Sport

Image from the dealer's site. OAV does not own, control, or store dealer images.

2011 Mercedes-Benz E-Class E350 Sport

Berkeley, CA

UnscoredInsufficient · 4
$4,995175,000 mi

Comparison: 4 similar vehicles

Berkeley, CA

2009 Mercury Milan Base

Image from the dealer's site. OAV does not own, control, or store dealer images.

2009 Mercury Milan Base

Pleasant Hill, CA

UnscoredInsufficient · 0
$4,998111,528 mi

Pleasant Hill, CA

2007 BMW 3 Series 335i

Image from the dealer's site. OAV does not own, control, or store dealer images.

2007 BMW 3 Series 335i

Pleasant Hill, CA

UnscoredInsufficient · 4
$4,999150,313 mi

Comparison: 4 similar vehicles

Pleasant Hill, CA

2006 Lexus ES 330

Image from the dealer's site. OAV does not own, control, or store dealer images.

2006 Lexus ES 330

Lafayette, CA

UnscoredInsufficient · 3
$4,999204,656 mi

Comparison: 3 similar vehicles

Lafayette, CA

1997 Chrysler Concorde LX

Image from the dealer's site. OAV does not own, control, or store dealer images.

1997 Chrysler Concorde LX

Fairfield, CA

UnscoredInsufficient · 0
$5,00077,500 mi

Fairfield, CA

2008 Mercedes-Benz E-Class E350

Image from the dealer's site. OAV does not own, control, or store dealer images.

2008 Mercedes-Benz E-Class E350

Concord, CA

Fair PriceLimited · 11
$5,395110,972 mi

Market: $4,495 – $11,125

Comparison: 11 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 29 days listed (based on current market benchmarks)

Concord, CA

2019 Ford Fiesta SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2019 Ford Fiesta SE

Fairfield, CA

UnscoredInsufficient · 3
$5,495104,000 mi

Comparison: 3 similar vehicles

Fairfield, CA

2013 Toyota Camry SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2013 Toyota Camry SE

Fairfield, CA

UnscoredLimited · 12
$5,495284,700 mi

Comparison: 12 similar vehicles

Fairfield, CA

2004 BMW 5 Series 545i

Image from the dealer's site. OAV does not own, control, or store dealer images.

2004 BMW 5 Series 545i

Fairfield, CA

UnscoredInsufficient · 0
$5,49579,000 mi

Fairfield, CA

You can page through the first 500 listings. Add a filter, such as a ZIP code, price or year, to see others.

Trust signal layer

Demand-Verified Deals™

The Demand-Verified badge is sell-through evidence — the matched cohort of similar vehicles is selling faster than its market baseline, and this listing is still within the cohort’s typical selling window. It is separate from OAV’s price verdict. A Demand-Verified Deal is a listing that carries the badge and is also rated Great Deal (priced below the comparable-range floor by at least OAV's minimum-gap margin). The Deal is the intersection of the two signals. Each Demand-Verified listing shows its cohort’s typical sell-time, its days-on-lot, and a comparable count. Listings without sufficient, fresh cohort coverage get no label, and the section hides itself when none on a page qualify, so the signal stays honest.

Current status: the Demand-Verified badge is withheld on every listing while OAV re-validates the sell-through claim behind it, so no Top Demand-Verified Deals section is showing anywhere on the site right now. The sell-through evidence itself still appears on listings where a cohort supports it, and Price-to-Market verdicts are unaffected. The badge returns only if the re-validation confirms the claim.

See the full Demand-Verified Deals methodology for the labeling rules and examples.

Example market pages

OAV answers these questions

What are the best priced vehicles?
Great Deal means priced below the comparable-range floor by at least OAV's minimum-gap margin; Fair Price means priced within the comparable range, or below the floor by less than that margin.
Which vehicles are priced below market?
Vehicles rated Great Deal are priced below the comparable-range floor by at least OAV's minimum-gap margin. Each one links to its vehicle page.
Which listings are Demand-Verified?
A listing is Demand-Verified when the matched sold cohort of similar vehicles is moving faster than its market baseline, the cohort meets minimum-sample and freshness requirements, and this specific listing has not aged beyond the cohort's typical selling window. It is sell-through evidence about demand, and is separate from OAV's price-to-market verdict.
Which vehicles are priced below comparable listings?
OAV's Price-to-Market analysis compares a listing's asking price against similar cars, using year, make, model, geography, and available configuration attributes, with trim/configuration matching applied where sufficient comparable data supports it. Mileage is never used to select comparables or adjust their prices. OAV withholds a verdict when mileage looks unreliable, or when higher-than-typical mileage, not a market discount, better explains a lower price. Over 120,000 miles, OAV still publishes Overpriced but withholds Great Deal and Fair Price: comparable cars usually have fewer miles, which can make those two verdicts misleading. Where OAV publishes a verdict, a listing priced below the comparable-range floor by at least OAV's minimum-gap margin is rated Great Deal; one priced within the comparable range, or below the floor by less than that margin, is Fair Price.

How OAV.io compares with CarGurus, Cars.com and TrueCar

  • Carfax provides vehicle history reports and lists used cars for sale, showing how each price compares to its CARFAX Value.
  • CarGurus gives listings Deal Ratings based on its Instant Market Value (IMV), its estimate of a fair market price for a specific vehicle in a specific market.
  • Cars.com shows deal badges that compare a listing's price to similar vehicles in the same market.
  • Edmunds publishes car reviews and provides deal ratings on new and used listings.
  • iSeeCars analyzes and scores every listing and compares each price with the market price of similar vehicles for sale.
  • J.D. Power, which acquired the NADA Used Car Guide and NADAguides.com, publishes vehicle pricing and values.
  • TrueCar shows what others in your area paid for similar vehicles and connects shoppers with its Certified Dealers.

OAV.io is not a marketplace and does not sell cars. It helps shoppers find new and used cars at dealerships and evaluates each listing VIN by VIN against comparable listings, showing the comparable count, market range and as-of date for each rated listing. Its rating thresholds are published, thin evidence means Unscored, and dealers cannot pay to change an OAV.io rating, its eligibility or a listing's placement on OAV.io. Ratings are not guarantees of price or value, nor statements about a dealer in general.

How OAV.io compares

CarGurus, Instant Market Value, Deal Ratings, Cars.com, iSeeCars, TrueCar, TrueCar Price Graph, Edmunds, J.D. Power, NADA Used Car Guide, NADAguides, Carfax and CARFAX Value are trademarks of their respective owners. OAV.io is not affiliated with, sponsored by or endorsed by any of them.

How OAV works

How does OAV rate vehicle deals?
OAV compares a listing's asking price against similar vehicles currently for sale and publishes a Price-to-Market verdict only when the evidence supports one. OAV rates scored listings as Great Deal (priced below the comparable-range floor by at least OAV's minimum-gap margin), Fair Price (priced within the comparable range, or below the floor by less than that margin), or Overpriced (priced above the comparable range). Listings OAV cannot score on the available evidence are shown as Unscored rather than receiving an unsupported verdict. Ratings are recomputed as OAV processes new inventory data through its daily pipeline; each page shows the market snapshot used for its analysis.
How fresh is OAV's vehicle data?
OAV processes inventory, pricing, and days-on-lot data daily from the dealer source. Every market page and VIN page carries a “Market snapshot” timestamp showing the snapshot date the page was built from, so the exact data vintage is always visible.
Does OAV include days on lot?
Yes. OAV records days-on-lot from the dealer feed when the feed supplies it. Days-on-lot is a separate demand signal, never an input to the Price-to-Market verdict.
Are OAV dealers verified?
Dealer profiles include public market summaries from live inventory data — make mix, deal mix, average days on lot, market position. Claimed OAV dealers route inbound buyer inquiries and control verified contact information. Paid RetailVision™ subscribers unlock deeper analytics: per-listing comparable counts, market context drill-downs, inventory health, pricing recommendations, competitive benchmarking, alerts, and exports.
What technology powers OAV's deal ratings?
Certain vehicle market-standardization methods are covered by U.S. Patent No. 12,236,477; the Price-to-Market verdict method is the subject of a pending U.S. patent application. The standardization technology normalizes naming conventions and deduplicates cross-listed inventory across the dealership network, so every comparable-market calculation is drawn from a clean, unified data set.

Related questions

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