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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 19, 2026

6M+

Unique vehicles analyzed

as of October 18, 2026

56,000+

US dealerships

Daily

Data pipeline

Comparable

Market-evidence analysis

3.3M new·2.8M used·Listings processed daily

Or explore the market

1,597 listings found

2012 Nissan LEAF SL

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

2012 Nissan LEAF SL

Baltimore, MD

UnscoredInsufficient · 0
$5,58959,103 mi

Baltimore, MD

2015 Nissan LEAF S

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

2015 Nissan LEAF S

East Petersburg, PA

UnscoredInsufficient · 0
$7,00016,400 mi

East Petersburg, PA

2019 Nissan Leaf S

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

2019 Nissan Leaf S

Lancaster, PA

UnscoredInsufficient · 0
$9,98742,507 mi

Lancaster, PA

2019 Nissan Leaf SV

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

2019 Nissan Leaf SV

Lancaster, PA

UnscoredLimited · 6
$9,98774,310 mi

Comparison: 6 similar vehicles

Lancaster, PA

2020 Nissan Leaf S

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

2020 Nissan Leaf S

Hagerstown, MD

UnscoredInsufficient · 0
$10,75046,527 mi

Hagerstown, MD

2019 Nissan Leaf SV

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

2019 Nissan Leaf SV

Hagerstown, MD

UnscoredInsufficient · 0
$11,97774,159 mi

Hagerstown, MD

2019 Nissan Leaf SV

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

2019 Nissan Leaf SV

Baltimore, MD

UnscoredLimited · 6
$11,99965,754 mi

Comparison: 6 similar vehicles

Baltimore, MD

2022 Nissan LEAF S Plus

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

2022 Nissan LEAF S Plus

Edgewood, MD

UnscoredInsufficient · 0
$12,50041,220 mi

Edgewood, MD

2019 Nissan Leaf S Plus

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

2019 Nissan Leaf S Plus

Fayetteville, PA

UnscoredInsufficient · 0
$12,90070,190 mi

Fayetteville, PA

2017 Chevrolet Bolt EV LT

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

2017 Chevrolet Bolt EV LT

Waynesboro, PA

UnscoredLimited · 7
$12,99373,172 mi

Comparison: 7 similar vehicles

Waynesboro, PA

2019 Nissan Leaf SV

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

2019 Nissan Leaf SV

Laurel, MD

UnscoredInsufficient · 0
$13,59946,113 mi

Laurel, MD

2025 Nissan Leaf S

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

2025 Nissan Leaf S

Hagerstown, MD

Great DealModerate · 20
$14,76519,993 mi

Market: $15,999 – $16,990

Comparison: 20 similar vehicles

Competitively priced ~8% below the typical range compared to similar vehicles · 39 days listed (based on current market benchmarks)

Hagerstown, MD

2022 Nissan LEAF SV

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

2022 Nissan LEAF SV

Rockville, MD

UnscoredInsufficient · 0
$14,79349,825 mi

Rockville, MD

2021 Hyundai Kona EV SEL

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

2021 Hyundai Kona EV SEL

Baltimore, MD

UnscoredInsufficient · 0
$14,90052,813 mi

Baltimore, MD

2019 Tesla Model 3 Base

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

2019 Tesla Model 3 Base

Baltimore, MD

UnscoredRobust · 60
$14,900136,750 mi

Comparison: 60 similar vehicles

Baltimore, MD

2015 Tesla Model S 85

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

2015 Tesla Model S 85

Jonestown, PA

UnscoredInsufficient · 0
$14,90098,005 mi

Jonestown, PA

2021 Chevrolet Bolt EV LT

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

2021 Chevrolet Bolt EV LT

Frederick, MD

UnscoredInsufficient · 0
$14,99554,971 mi

Frederick, MD

2021 Volkswagen ID.4 PRO S

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

2021 Volkswagen ID.4 PRO S

Sykesville, MD

UnscoredLimited · 11
$15,001117,926 mi

Comparison: 11 similar vehicles

Sykesville, MD

2023 Nissan Leaf S

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

2023 Nissan Leaf S

Hagerstown, MD

UnscoredInsufficient · 0
$15,19126,075 mi

Hagerstown, MD

2021 Hyundai Kona EV SEL

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

2021 Hyundai Kona EV SEL

Baltimore, MD

UnscoredLimited · 5
$15,39942,296 mi

Comparison: 5 similar vehicles

Baltimore, MD

2023 Volkswagen ID.4 S

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

2023 Volkswagen ID.4 S

Clarksville, MD

UnscoredInsufficient · 0
$15,799100,318 mi

Clarksville, MD

2017 Tesla Model S 75D

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

2017 Tesla Model S 75D

Akron, PA

UnscoredLimited · 5
$15,900126,720 mi

Comparison: 5 similar vehicles

Akron, PA

2021 Hyundai Kona EV Limited

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

2021 Hyundai Kona EV Limited

Gettysburg, PA

UnscoredInsufficient · 0
$15,96532,745 mi

Gettysburg, PA

2021 Ford Mustang Mach-E Select RWD

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

2021 Ford Mustang Mach-E Select RWD

Hagerstown, MD

UnscoredInsufficient · 0
$15,995117,785 mi

Hagerstown, MD

2017 Tesla Model S 60

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

2017 Tesla Model S 60

Rockville, MD

UnscoredInsufficient · 0
$16,476116,052 mi

Rockville, MD

2020 Tesla Model 3 Base

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

2020 Tesla Model 3 Base

Gaithersburg, MD

Fair PriceRobust · 54
$16,492108,909 mi

Market: $15,566 – $27,975

Comparison: 54 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 52 days listed (based on current market benchmarks)

Gaithersburg, MD

2022 Tesla Model 3 Long Range

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

2022 Tesla Model 3 Long Range

Halethorpe, MD

UnscoredLimited · 5
$16,500161,390 mi

Comparison: 5 similar vehicles

Halethorpe, MD

2020 Hyundai Kona EV Ultimate

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

2020 Hyundai Kona EV Ultimate

Baltimore, MD

UnscoredInsufficient · 0
$16,69959,210 mi

Baltimore, MD

2018 Chevrolet Bolt EV LT

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

2018 Chevrolet Bolt EV LT

Baltimore, MD

UnscoredInsufficient · 0
$16,79557,939 mi

Baltimore, MD

2021 Hyundai IONIQ Limited

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

2021 Hyundai IONIQ Limited

Edgewood, MD

UnscoredInsufficient · 0
$16,79831,364 mi

Edgewood, MD

2023 Chevrolet Bolt EV LT

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

2023 Chevrolet Bolt EV LT

Ephrata, PA

UnscoredInsufficient · 3
$16,90066,400 mi

Comparison: 3 similar vehicles

Ephrata, PA

2018 Tesla Model 3 Long Range

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

2018 Tesla Model 3 Long Range

Baltimore, MD

UnscoredInsufficient · 4
$16,900141,768 mi

Comparison: 4 similar vehicles

Baltimore, MD

2025 Nissan Leaf S

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

2025 Nissan Leaf S

Germantown, MD

OverpricedLimited · 15
$16,94513,388 mi

Market: $15,563 – $15,763

Comparison: 15 similar vehicles

Priced ~7% above the typical market range for similar vehicles (based on current market benchmarks)

Germantown, MD

2021 Hyundai Kona EV SEL

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

2021 Hyundai Kona EV SEL

Ellicott City, MD

UnscoredInsufficient · 0
$17,00021,787 mi

Ellicott City, MD

2023 Hyundai Kona EV SEL

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

2023 Hyundai Kona EV SEL

Baltimore, MD

UnscoredInsufficient · 4
$17,19948,193 mi

Comparison: 4 similar vehicles

Baltimore, MD

2025 Nissan Leaf S

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

2025 Nissan Leaf S

Rockville, MD

Fair PriceLimited · 15
$17,3005,717 mi

Market: $16,898 – $17,990

Comparison: 15 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 41 days listed (based on current market benchmarks)

Rockville, MD

2023 Volkswagen ID.4 STANDARD

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

2023 Volkswagen ID.4 STANDARD

Sykesville, MD

UnscoredInsufficient · 0
$17,50049,015 mi

Sykesville, MD

2021 Hyundai Kona EV Ultimate

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

2021 Hyundai Kona EV Ultimate

Joppatowne, MD

UnscoredInsufficient · 0
$17,50026,945 mi

Joppatowne, MD

2022 Volvo XC40 Core

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

2022 Volvo XC40 Core

Frederick, MD

UnscoredInsufficient · 0
$17,64391,957 mi

Frederick, MD

2021 Hyundai Kona EV Limited

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

2021 Hyundai Kona EV Limited

Lancaster, PA

UnscoredInsufficient · 0
$17,99846,973 mi

Lancaster, PA

2017 Tesla Model S 100D

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

2017 Tesla Model S 100D

Baltimore, MD

UnscoredInsufficient · 3
$17,999119,753 mi

Comparison: 3 similar vehicles

Baltimore, MD

No Photo

2023 Volkswagen ID.4 PRO

Edgewood, MD

Fair PriceModerate · 21
$18,000Mileage not verified

Market: $16,980 – $19,455

Comparison: 21 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 55 days listed (based on current market benchmarks)

Edgewood, MD

2023 Chevrolet Bolt EUV LT

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

2023 Chevrolet Bolt EUV LT

Hagerstown, MD

UnscoredLimited · 6
$18,59050,203 mi

Comparison: 6 similar vehicles

Hagerstown, MD

No Photo

2023 Volkswagen ID.4 S

Edgewood, MD

UnscoredInsufficient · 3
$18,700Mileage not verified

Comparison: 3 similar vehicles

Edgewood, MD

2024 Volkswagen ID.4 STANDARD

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

2024 Volkswagen ID.4 STANDARD

Hagerstown, MD

UnscoredLimited · 8
$18,77022,175 mi

Comparison: 8 similar vehicles

Hagerstown, MD

2023 Nissan Leaf SV Plus

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

2023 Nissan Leaf SV Plus

Bel Air, MD

Great DealLimited · 10
$18,79835,842 mi

Market: $19,795 – $19,960

Comparison: 10 similar vehicles

Competitively priced ~5% below the typical range compared to similar vehicles · 16 days listed (based on current market benchmarks)

Bel Air, MD

2023 Volkswagen ID.4 PRO S

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

2023 Volkswagen ID.4 PRO S

Sykesville, MD

Fair PriceRobust · 56
$18,88845,990 mi

Market: $18,500 – $24,440

Comparison: 56 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 20 days listed (based on current market benchmarks)

Sykesville, MD

2023 Volkswagen ID.4 PRO

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

2023 Volkswagen ID.4 PRO

Sykesville, MD

Fair PriceModerate · 24
$18,89430,818 mi

Market: $18,429 – $22,000

Comparison: 24 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 20 days listed (based on current market benchmarks)

Sykesville, MD

2020 Hyundai IONIQ SE

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

2020 Hyundai IONIQ SE

Laurel, MD

UnscoredInsufficient · 0
$18,99824,474 mi

Laurel, MD

2023 Volkswagen ID.4 PRO

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

2023 Volkswagen ID.4 PRO

Lebanon, PA

Fair PriceLimited · 10
$18,99957,021 mi

Market: $16,750 – $21,199

Comparison: 10 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 30 days listed (based on current market benchmarks)

Lebanon, PA

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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