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

Sedans near Portland, ME 04102

OAV.io analyzes millions of vehicle listings using RetailVision™ market data to identify vehicles priced below expected market ranges based on year, make, model, trim (when available), and comparable listings.

OAV helps determine if a vehicle is a good deal by comparing its price to similar listings within its supported comparable range. Sell-through is separate Demand-Verified evidence, not part of the price verdict.

Explore sedans in Portland, ME 04102 with OAV's Price-to-Market analysis against comparable listings. A verdict appears only where the evidence supports one. These vehicles are grouped by OAV's price verdict in the order Great Deal, Fair Price, Overpriced, then Unscored; within each group they are listed from the lowest asking price upward. Days-on-lot is shown as a separate demand signal and is not a ranking input.

Market snapshot · October 16, 2026

What makes OAV different from traditional car-listing sites

Traditional vehicle-listing marketplaces are built for shoppers to browse inventory. OAV is the answer-engine layer above the marketplace: it evaluates vehicle asking prices with Price-to-Market against comparable listings and shows the market evidence behind each verdict. Days-on-lot and sell-through from similar vehicles are separate demand evidence, never inputs to the Price-to-Market verdict. OAV is built for the next car-shopping behavior: asking which vehicle to buy, not just browsing inventory.

How OAV.io compares with other car-pricing sites

How OAV Identifies Deals

OAV builds a comparable range for each vehicle from regularly refreshed dealer-advertised listings — same make, model and year range, trim where the data supports it. Where the evidence supports a verdict, a vehicle is rated by how its asking price compares to that range; days-on-lot and sell-through are separate demand signals, never inputs to the Price-to-Market verdict. When OAV evaluates a listing but the evidence does not support a verdict, the listing is Unscored.

  • Millions of retail comparables across U.S. markets.
  • Vehicles compared on year, make, model, and trim (when available).
  • Real price-to-market ranges from regularly refreshed market data.
  • Days-on-lot is a separate demand signal, never an input to the Price-to-Market verdict.
  • Listings priced below the comparable-range floor by at least OAV's minimum-gap margin surface as Great Deal — a great deal compared to similar vehicles currently for sale.
  • Listings priced within the comparable range, or below the floor by less than that margin surface as Fair Price — fairly priced, in line with what comparable vehicles are typically listed for.
  • Listings priced above the comparable range surface as Overpriced — above market, higher than what comparable vehicles are typically listed for.
  • Dealer business information is public on every profile. OAV-claimed dealers manage their profile directly and route inquiries through OAV.

This helps identify which listings are a great deal relative to comparable vehicles — OAV's Great Deal verdict — and shows the evidence behind every rating.

Powered by OAV's patented vehicle market standardization technology (U.S. Patent No. 12,236,477).

Learn how OAV identifies Demand-Verified Deals™

How OAV works — common questions

How does OAV find cars priced below market?
OAV compares a listing's asking price against similar vehicles currently for sale — using year, make, model, geography, and available configuration attributes, with trim/configuration matching applied where sufficient comparable data supports it — to compute a price-to-market range. 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.
What makes a Demand-Verified Deal different from a cheap listing?
A cheap listing is just priced low. The Demand-Verified badge is sell-through evidence: the listing's similar-vehicle sold cohort is moving faster than its market baseline, and this listing hasn't aged beyond that cohort's typical selling window — it is separate from OAV's price verdict. A Demand-Verified Deal combines both: the Demand-Verified badge AND a Great Deal verdict from Price-to-Market (priced below the comparable-range floor by at least OAV's minimum-gap margin). The price verdict establishes where the asking price sits relative to OAV's supported comparable range. The Demand-Verified signal measures whether the matched sold cohort is moving faster than its market baseline and whether this listing remains within that cohort's typical selling window — it does not show that buyers are paying this listing's asking price. While OAV re-validates the sell-through claim, the badge is withheld on every listing and no Demand-Verified Deals are being labeled.
Does OAV use local market comparables?
Yes — local-first. OAV starts with comparable retail listings in the same metro and broader region, and widens the comparison set only when local inventory is too thin to support a reliable range. A truck in Dallas is compared against Dallas-area trucks where the local market supports it; an EV in Los Angeles against LA-area EVs. This local-first approach makes the price-to-market math meaningful.
Why does days-on-lot matter when shopping for used cars?
How long a vehicle sits is a demand signal about its cohort, not proof that buyers are paying this listing's price. OAV compares a listing's days-on-lot to the sold cohort of similar vehicles: when comparable vehicles have been selling quickly and this listing is still within that cohort's typical selling window, it corroborates real demand. A listing sitting far longer than its cohort typically takes to sell is the opposite signal — worth confirming its history, condition, and price before assuming it's a deal.
Can OAV help find trucks, SUVs, or EVs priced below market?
Yes — OAV has body-type market views for trucks, SUVs, sedans and EVs in major U.S. metros and ZIP codes. Each listing links to its vehicle page. Start at the homepage or any city or ZIP page.

According to RetailVision™ data, OAV is currently analyzing approximately 1,700 sedans across the Portland, ME 04102 market.

Sedan Listings

1,690

Average Price

$24,474

Price Range

$2,094–$141,519

Avg Days on Lot

81

Sedan Market near Portland, ME 04102

Dealers within 50 miles of Portland, ME have 1,690 sedans listed. The average asking price is $24,474, with prices ranging from $2,094 to $141,519. The average sedan listing stays on dealer lots for 81 days.

OAV answers these questions

What are the best priced sedans in Portland, ME 04102?
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 sedans in Portland, ME 04102 are priced below market?
Sedans in Portland, ME 04102 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 in Portland, ME 04102?
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 sedans are priced below comparable listings in Portland, ME 04102?
OAV's Price-to-Market analysis compares a listing's asking price against similar sedans in Portland, ME 04102, 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.

Sedans market summary — Portland, ME 04102

MarketPortland, ME 04102
Body typeSedans
Listings analyzed1,690
Average price$24,474
Price range$2,094 – $141,519
Price-to-Market basisAsking price vs comparable listings (same make/model, year window, trim where available). Days-on-lot and sell-through are separate demand signals, not verdict inputs.
Refresh cadenceDaily

Popular Sedan Makes near 04102

Hyundai (307)Nissan (283)Toyota (225)Kia (142)Honda (141)Subaru (140)Volkswagen (90)Chevrolet (70)

Featured Sedans Listings near 04102

2015 Acura TLX Technology Package

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

2015 Acura TLX Technology Package

Rochester, NH

Great DealLimited · 12
$11,199110,039 mi

Market: $12,500 – $16,185

Comparison: 12 similar vehicles

Competitively priced ~10% below the typical range compared to similar vehicles · 59 days listed (based on current market benchmarks)

Rochester, NH

2023 Nissan Sentra SV

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

2023 Nissan Sentra SV

Rochester, NH

Great DealLimited · 11
$15,39953,899 mi

Market: $16,323 – $18,399

Comparison: 11 similar vehicles

Competitively priced ~6% below the typical range compared to similar vehicles · 85 days listed (based on current market benchmarks)

Rochester, NH

2022 Honda Accord Sport

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

2022 Honda Accord Sport

Buxton, ME

Great DealModerate · 23
$16,99575,659 mi

Market: $18,300 – $28,999

Comparison: 23 similar vehicles

Competitively priced ~7% below the typical range compared to similar vehicles · 9 days listed (based on current market benchmarks)

Buxton, ME

No Photo

2021 Hyundai Sonata SEL

Saco, ME

Great DealModerate · 20
$17,39954,205 mi

Market: $18,977 – $20,459

Comparison: 20 similar vehicles

Competitively priced ~8% below the typical range compared to similar vehicles · 49 days listed (based on current market benchmarks)

Saco, ME

No Photo

2024 Kia Forte GT-Line

Saco, ME

Great DealLimited · 16
$18,09926,430 mi

Market: $19,748 – $23,175

Comparison: 16 similar vehicles

Competitively priced ~8% below the typical range compared to similar vehicles · 118 days listed (based on current market benchmarks)

Saco, ME

2023 Hyundai Sonata SEL

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

2023 Hyundai Sonata SEL

Rochester, NH

Great DealRobust · 54
$19,69925,953 mi

Market: $20,595 – $24,950

Comparison: 54 similar vehicles

Competitively priced ~4% below the typical range compared to similar vehicles · 57 days listed (based on current market benchmarks)

Rochester, NH

2026 Kia K4 LX

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

2026 Kia K4 LX

Auburn, ME

Great DealLimited · 10
$22,724Mileage not verified

Market: $23,540 – $24,819

Comparison: 10 similar vehicles

Competitively priced ~3% below the typical range compared to similar vehicles · 74 days listed (based on current market benchmarks)

Auburn, ME

2026 Honda Civic LX

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

2026 Honda Civic LX

Dover, NH

Great DealLimited · 18
$24,786Mileage not verified

Market: $25,651 – $26,184

Comparison: 18 similar vehicles

Competitively priced ~3% below the typical range compared to similar vehicles · 14 days listed (based on current market benchmarks)

Dover, NH

2026 Kia K4 GT-Line

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

2026 Kia K4 GT-Line

Rochester, NH

Great DealLimited · 14
$26,0065 mi

Market: $26,961 – $28,960

Comparison: 14 similar vehicles

Competitively priced ~4% below the typical range compared to similar vehicles · 9 days listed (based on current market benchmarks)

Rochester, NH

2026 Nissan Altima SR

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

2026 Nissan Altima SR

Auburn, ME

Great DealLimited · 12
$30,299Mileage not verified

Market: $31,314 – $33,969

Comparison: 12 similar vehicles

Competitively priced ~3% below the typical range compared to similar vehicles · 20 days listed (based on current market benchmarks)

Auburn, ME

2027 Toyota Camry XLE

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

2027 Toyota Camry XLE

Dover, NH

Great DealLimited · 15
$33,418Mileage not verified

Market: $35,035 – $45,814

Comparison: 15 similar vehicles

Competitively priced ~5% below the typical range compared to similar vehicles · 13 days listed (based on current market benchmarks)

Dover, NH

2026 BMW 3 Series 330i

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

2026 BMW 3 Series 330i

Arundel, ME

Great DealLimited · 10
$39,12316,947 mi

Market: $42,594 – $46,487

Comparison: 10 similar vehicles

Competitively priced ~8% below the typical range compared to similar vehicles · 21 days listed (based on current market benchmarks)

Arundel, ME

2026 Subaru WRX Limited

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

2026 Subaru WRX Limited

Saco, ME

Great DealLimited · 15
$40,9191 mi

Market: $42,233 – $43,914

Comparison: 15 similar vehicles

Competitively priced ~3% below the typical range compared to similar vehicles · 6 days listed (based on current market benchmarks)

Saco, ME

2026 BMW 7 Series 750e

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

2026 BMW 7 Series 750e

Brunswick, ME

Great DealLimited · 12
$98,3503,339 mi

Market: $100,568 – $104,557

Comparison: 12 similar vehicles

Competitively priced ~2% below the typical range compared to similar vehicles · 79 days listed (based on current market benchmarks)

Brunswick, ME

2013 Subaru Legacy I Premium

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

2013 Subaru Legacy I Premium

Auburn, ME

Fair PriceLimited · 11
$4,59492,255 mi

Market: $3,094 – $8,950

Comparison: 11 similar vehicles

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

Auburn, ME

2007 Toyota Camry LE

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

2007 Toyota Camry LE

Auburn, ME

Fair PriceLimited · 11
$5,09499,972 mi

Market: $4,250 – $9,599

Comparison: 11 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 51 days listed (based on current market benchmarks)

Auburn, ME

2014 Nissan Sentra SV

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

2014 Nissan Sentra SV

Tamworth, NH

Fair PriceLimited · 10
$5,99585,242 mi

Market: $4,750 – $8,648

Comparison: 10 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 199 days listed (based on current market benchmarks)

Tamworth, NH

2014 Ford Focus SE

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

2014 Ford Focus SE

Lewiston, ME

Fair PriceModerate · 31
$6,296118,950 mi

Market: $3,495 – $10,998

Comparison: 31 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 16 days listed (based on current market benchmarks)

Lewiston, ME

2016 Hyundai Elantra SE

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

2016 Hyundai Elantra SE

Madbury, NH

Fair PriceLimited · 14
$6,988101,425 mi

Market: $4,999 – $10,998

Comparison: 14 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 83 days listed (based on current market benchmarks)

Madbury, NH

2018 Ford Fusion SE

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

2018 Ford Fusion SE

Rochester, NH

Fair PriceModerate · 23
$9,995115,797 mi

Market: $10,431 – $17,133

Comparison: 23 similar vehicles

Fairly priced — priced near the comparable range, but not far enough below it to qualify as a Great Deal · 34 days listed (based on current market benchmarks)

Rochester, NH

2018 Hyundai Sonata Limited

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

2018 Hyundai Sonata Limited

Biddeford, ME

Fair PriceLimited · 13
$12,50098,261 mi

Market: $12,889 – $15,998

Comparison: 13 similar vehicles

Fairly priced — priced near the comparable range, but not far enough below it to qualify as a Great Deal · 75 days listed (based on current market benchmarks)

Biddeford, ME

2021 Kia Forte LXS

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

2021 Kia Forte LXS

Portsmouth, NH

Fair PriceLimited · 13
$13,39545,136 mi

Market: $13,500 – $16,998

Comparison: 13 similar vehicles

Fairly priced — priced near the comparable range, but not far enough below it to qualify as a Great Deal · 58 days listed (based on current market benchmarks)

Portsmouth, NH

2020 Subaru Legacy Limited

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

2020 Subaru Legacy Limited

Biddeford, ME

Fair PriceLimited · 12
$15,900101,629 mi

Market: $15,990 – $19,927

Comparison: 12 similar vehicles

Fairly priced — priced near the comparable range, but not far enough below it to qualify as a Great Deal · 13 days listed (based on current market benchmarks)

Biddeford, ME

2024 Volkswagen Jetta SE

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

2024 Volkswagen Jetta SE

Scarborough, ME

Fair PriceModerate · 42
$18,50031,799 mi

Market: $18,999 – $23,980

Comparison: 42 similar vehicles

Fairly priced — priced near the comparable range, but not far enough below it to qualify as a Great Deal · 45 days listed (based on current market benchmarks)

Scarborough, ME

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