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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

228 listings found

2007 Honda Odyssey EX

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

2007 Honda Odyssey EX

Effingham, IL

UnscoredLimited · 15
$4,495153,000 mi

Comparison: 15 similar vehicles

Effingham, IL

2014 Chrysler Town & Country Touring-L

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

2014 Chrysler Town & Country Touring-L

Effingham, IL

UnscoredModerate · 42
$5,495188,000 mi

Comparison: 42 similar vehicles

Effingham, IL

2011 Nissan Quest SL

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

2011 Nissan Quest SL

Mattoon, IL

UnscoredInsufficient · 0
$5,995209,549 mi

Mattoon, IL

2010 Kia Sedona EX

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

2010 Kia Sedona EX

Mattoon, IL

UnscoredInsufficient · 0
$5,995168,127 mi

Mattoon, IL

2014 Dodge Grand Caravan SXT

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

2014 Dodge Grand Caravan SXT

Mattoon, IL

UnscoredModerate · 48
$6,955145,446 mi

Comparison: 48 similar vehicles

Mattoon, IL

2013 Chrysler Town & Country Touring-L

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

2013 Chrysler Town & Country Touring-L

Effingham, IL

UnscoredLimited · 14
$6,995144,000 mi

Comparison: 14 similar vehicles

Effingham, IL

2013 Dodge Grand Caravan SE

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

2013 Dodge Grand Caravan SE

Mattoon, IL

UnscoredLimited · 18
$7,441128,193 mi

Comparison: 18 similar vehicles

Mattoon, IL

2017 Chrysler Pacifica Touring-L

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

2017 Chrysler Pacifica Touring-L

Odin, IL

UnscoredRobust · 149
$8,495178,816 mi

Comparison: 149 similar vehicles

Odin, IL

2018 Chrysler Pacifica Limited

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

2018 Chrysler Pacifica Limited

Mattoon, IL

UnscoredRobust · 68
$8,955133,142 mi

Comparison: 68 similar vehicles

Mattoon, IL

2016 Chrysler Town & Country Touring

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

2016 Chrysler Town & Country Touring

Vandalia, IL

UnscoredModerate · 47
$8,995187,597 mi

Comparison: 47 similar vehicles

Vandalia, IL

No Photo

2011 Toyota Sienna LE

Vandalia, IL

UnscoredInsufficient · 4
$8,995246,279 mi

Comparison: 4 similar vehicles

Vandalia, IL

2019 Chrysler Pacifica Touring L

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

2019 Chrysler Pacifica Touring L

Effingham, IL

UnscoredLimited · 7
$9,318191,555 mi

Comparison: 7 similar vehicles

Effingham, IL

2018 Chrysler Pacifica Touring L

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

2018 Chrysler Pacifica Touring L

Charleston, IL

UnscoredLimited · 12
$9,991187,229 mi

Comparison: 12 similar vehicles

Charleston, IL

2015 Dodge Grand Caravan SE

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

2015 Dodge Grand Caravan SE

Assumption, IL

Fair PriceLimited · 18
$9,99976,026 mi

Market: $3,450 – $14,350

Comparison: 18 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 323 days listed (based on current market benchmarks)

Assumption, IL

2017 Chrysler Pacifica Touring

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

2017 Chrysler Pacifica Touring

Effingham, IL

UnscoredModerate · 47
$10,495122,000 mi

Comparison: 47 similar vehicles

Effingham, IL

2016 Dodge Grand Caravan SXT

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

2016 Dodge Grand Caravan SXT

Effingham, IL

Fair PriceModerate · 25
$10,99097,963 mi

Market: $4,995 – $16,998

Comparison: 25 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 36 days listed (based on current market benchmarks)

Effingham, IL

2021 Chrysler Voyager LXI

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

2021 Chrysler Voyager LXI

Mattoon, IL

UnscoredLimited · 12
$11,412151,240 mi

Comparison: 12 similar vehicles

Mattoon, IL

2013 Toyota Sienna SE

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

2013 Toyota Sienna SE

Charleston, IL

UnscoredLimited · 5
$11,991180,724 mi

Comparison: 5 similar vehicles

Charleston, IL

2019 Dodge Grand Caravan SXT

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

2019 Dodge Grand Caravan SXT

Palestine, IL

Fair PriceRobust · 64
$11,99595,785 mi

Market: $5,600 – $14,990

Comparison: 64 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 6 days listed (based on current market benchmarks)

Palestine, IL

2018 Dodge Grand Caravan SXT

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

2018 Dodge Grand Caravan SXT

Vandalia, IL

UnscoredModerate · 21
$11,995159,416 mi

Comparison: 21 similar vehicles

Vandalia, IL

2017 Dodge Grand Caravan SXT

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

2017 Dodge Grand Caravan SXT

Effingham, IL

Fair PriceRobust · 63
$11,995104,475 mi

Market: $5,800 – $32,000

Comparison: 63 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 8 days listed (based on current market benchmarks)

Effingham, IL

2017 Dodge Grand Caravan GT

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

2017 Dodge Grand Caravan GT

Vandalia, IL

UnscoredModerate · 27
$11,995155,304 mi

Comparison: 27 similar vehicles

Vandalia, IL

2018 Chrysler Pacifica Touring L

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

2018 Chrysler Pacifica Touring L

Mattoon, IL

UnscoredInsufficient · 4
$13,162115,733 mi

Comparison: 4 similar vehicles

Mattoon, IL

2015 Toyota Sienna LE

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

2015 Toyota Sienna LE

Vandalia, IL

UnscoredInsufficient · 4
$13,495200,779 mi

Comparison: 4 similar vehicles

Vandalia, IL

2018 Chrysler Pacifica Touring L

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

2018 Chrysler Pacifica Touring L

Newton, IL

UnscoredLimited · 5
$13,50094,011 mi

Comparison: 5 similar vehicles

Newton, IL

2020 Chrysler Pacifica Touring

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

2020 Chrysler Pacifica Touring

Vandalia, IL

UnscoredModerate · 26
$13,624146,867 mi

Comparison: 26 similar vehicles

Vandalia, IL

2017 Chrysler Pacifica Touring-L

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

2017 Chrysler Pacifica Touring-L

Vandalia, IL

UnscoredRobust · 151
$13,995148,876 mi

Comparison: 151 similar vehicles

Vandalia, IL

No Photo

2017 Chrysler Pacifica Touring-L Plus

Vandalia, IL

UnscoredRobust · 69
$13,995167,606 mi

Comparison: 69 similar vehicles

Vandalia, IL

2018 Dodge Grand Caravan SE Plus

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

2018 Dodge Grand Caravan SE Plus

Effingham, IL

Fair PriceLimited · 15
$13,999117,016 mi

Market: $4,200 – $17,560

Comparison: 15 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 35 days listed (based on current market benchmarks)

Effingham, IL

2015 Chrysler Town & Country Touring-L

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

2015 Chrysler Town & Country Touring-L

Effingham, IL

OverpricedModerate · 44
$13,999116,597 mi

Market: $3,999 – $13,610

Comparison: 44 similar vehicles

Priced ~3% above the typical market range for similar vehicles (based on current market benchmarks)

Effingham, IL

2020 Dodge Grand Caravan SXT

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

2020 Dodge Grand Caravan SXT

Charleston, IL

UnscoredLimited · 18
$14,412157,869 mi

Comparison: 18 similar vehicles

Charleston, IL

2019 Dodge Grand Caravan SXT

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

2019 Dodge Grand Caravan SXT

Effingham, IL

OverpricedModerate · 49
$14,990103,719 mi

Market: $4,900 – $14,895

Comparison: 49 similar vehicles

Priced ~1% above the typical market range for similar vehicles (based on current market benchmarks)

Effingham, IL

No Photo

2017 Chrysler Pacifica Touring-L Plus

Vandalia, IL

UnscoredRobust · 69
$14,995144,358 mi

Comparison: 69 similar vehicles

Vandalia, IL

No Photo

2017 Chrysler Pacifica Limited

Vandalia, IL

UnscoredModerate · 40
$14,995160,172 mi

Comparison: 40 similar vehicles

Vandalia, IL

2021 Chrysler Pacifica Touring L

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

2021 Chrysler Pacifica Touring L

Mattoon, IL

UnscoredLimited · 8
$15,412126,899 mi

Comparison: 8 similar vehicles

Mattoon, IL

2019 Chrysler Pacifica Limited

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

2019 Chrysler Pacifica Limited

Vandalia, IL

UnscoredRobust · 52
$15,651127,010 mi

Comparison: 52 similar vehicles

Vandalia, IL

2019 Chrysler Pacifica Touring L

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

2019 Chrysler Pacifica Touring L

Mattoon, IL

UnscoredInsufficient · 4
$15,91299,250 mi

Comparison: 4 similar vehicles

Mattoon, IL

2020 Chrysler Pacifica Touring L Plus

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

2020 Chrysler Pacifica Touring L Plus

Mattoon, IL

UnscoredLimited · 9
$15,977112,947 mi

Comparison: 9 similar vehicles

Mattoon, IL

2019 Chrysler Pacifica Touring L

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

2019 Chrysler Pacifica Touring L

Effingham, IL

UnscoredLimited · 8
$15,990114,028 mi

Comparison: 8 similar vehicles

Effingham, IL

No Photo

2020 Chrysler Pacifica Touring L

Vandalia, IL

UnscoredRobust · 77
$15,995157,312 mi

Comparison: 77 similar vehicles

Vandalia, IL

No Photo

2018 Chrysler Pacifica Limited

Vandalia, IL

UnscoredModerate · 46
$15,995140,616 mi

Comparison: 46 similar vehicles

Vandalia, IL

No Photo

2018 Chrysler Pacifica Limited

Vandalia, IL

UnscoredModerate · 46
$15,995149,219 mi

Comparison: 46 similar vehicles

Vandalia, IL

2021 Chrysler Pacifica Touring L

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

2021 Chrysler Pacifica Touring L

Robinson, IL

UnscoredInsufficient · 3
$16,833107,365 mi

Comparison: 3 similar vehicles

Robinson, IL

2022 Chrysler Pacifica Touring L

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

2022 Chrysler Pacifica Touring L

Effingham, IL

Fair PriceLimited · 10
$17,175100,418 mi

Market: $17,389 – $50,290

Comparison: 10 similar vehicles

Fairly priced — priced near the comparable range, but not far enough below it to qualify as a Great Deal · 28 days listed (based on current market benchmarks)

Effingham, IL

No Photo

2020 Chrysler Voyager LX

Vandalia, IL

UnscoredInsufficient · 0
$17,99590,970 mi

Vandalia, IL

2019 Honda Odyssey EX-L

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

2019 Honda Odyssey EX-L

Effingham, IL

UnscoredRobust · 189
$17,995130,295 mi

Comparison: 189 similar vehicles

Effingham, IL

2021 Chrysler Pacifica Touring L

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

2021 Chrysler Pacifica Touring L

Mattoon, IL

UnscoredLimited · 8
$18,41299,096 mi

Comparison: 8 similar vehicles

Mattoon, IL

2022 Chrysler Pacifica Touring L

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

2022 Chrysler Pacifica Touring L

Charleston, IL

UnscoredLimited · 9
$18,98799,705 mi

Comparison: 9 similar vehicles

Charleston, IL

2023 Chrysler Pacifica Touring L

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

2023 Chrysler Pacifica Touring L

Nokomis, IL

Great DealRobust · 67
$18,99573,324 mi

Market: $19,972 – $24,883

Comparison: 67 similar vehicles

Competitively priced ~5% below the typical range compared to similar vehicles · 76 days listed (based on current market benchmarks)

Nokomis, IL

2022 Chrysler Pacifica Touring L

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

2022 Chrysler Pacifica Touring L

Effingham, IL

UnscoredInsufficient · 4
$19,99080,637 mi

Comparison: 4 similar vehicles

Effingham, IL

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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