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

Mini Cooper sold prices in Illinois

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.

Independent market evidence — no dealer pays for inclusion or ranking, no editorial curation, only observed sold-price data from dealer-anonymized retail listing lifecycle feeds.

Sold-price evidence through July 2026 — the latest month with fully confirmed sales. Published monthly: each month appears once its sales complete the confirmation window (about a 3-week lag), so the newest complete month trails the calendar.

Mini Cooper — sold-price market in Illinois

Latest snapshot: July 2026

As of the July 2026 snapshot, OAV recorded 34 sold-price observations for Mini Coopers across 31 distinct Illinois dealers, with a median sold price of $9,075, typical range (25th–75th percentile) $7,553–$14,998, median odometer 58,910 mi, average 47 days from listing to sale, median vehicle age 12.7 years at sale. Observed sold prices from dealer-anonymized retail listing lifecycle data, not asking prices.

Median sold
$9,075
Typical range
$7,553–$14,998
Median miles at sale
58,910 mi
Avg days to sale
47
Transactions
34
Dealers
31

Observed sold-price data from dealer-anonymized retail listing lifecycle feeds, aggregated across 31 distinct Illinois dealers to preserve dealer anonymity. Updated monthly, once each month's sales fully confirm (about a 3-week lag); latest confirmed data through 2026-07-31. Not a verdict on any single vehicle.

Sold vs asking: what buyers are actually paying

Mini Cooper in Illinois: median asking price is $8,980 (across 73 active listings), but the most recent sold median is $9,075 — $95 above asking (1.1%). Buyers are paying above the current advertised median, indicating a supply-constrained market.

Current asking (live)
$8,980
73 listings · 2026-09-17
Recent sold (July 2026)
$9,075
34 sold-price observations · 31 dealers
Above-asking premium
+$95 (1.1%)
buyers paying over asking

Asking-price median from live dealer listings deduplicated by VIN. Sold-price median from dealer-anonymized retail listing lifecycle data (updated monthly, 22-day confirmation lag). Compared directly: recent-past sold vs current-state asking. Not a prediction; a dated observation.

6-month sold-price trend in Illinois

Across the past 6 months (Feb 2026 Jul 2026), OAV observed 290 Mini Cooper sold-price observations in Illinois. Median sold price moved from $10,377 to $9,075 -12.5% trending down over the window.

Mini Cooper sold-price trend in Illinois

6 months of monthly medians (Feb 2026Jul 2026). Median moved from $10,377 to $9,075down -12.5% over the window.

Line chart showing the median sold price for Mini Cooper in Illinois across 6 months from Feb 2026 through Jul 2026. Overlay bars indicate monthly sold-price observation count. Median moved from $10,377 to $9,075, down -12.5%.$7k$8k$10k$11kFeb2026Mar2026Apr2026May2026Jun2026Jul2026Median sold priceMonthly observations

Monthly sold-price detail

Each row is a monthly aggregate: sold-price observation count, distinct contributing dealers, median sold price, typical range, and average days from listing to sale.

MonthSalesDealersMedian soldP25–P75Median milesAvg DOL
Jul 20263431$9,075$7,553–$14,99858,910 mi47
Jun 20263932$7,995$6,100–$14,99578,671 mi55
May 20266051$9,333$6,995–$12,30068,939 mi52
Apr 20265640$7,999$6,795–$13,59980,739 mi49
Mar 20265649$8,638$6,495–$12,48088,231 mi79
Feb 20264531$10,377$6,995–$14,62981,235 mi62

How OAV computes sold-price aggregates

OAV uses RetailVision™ market data to derive state × make × model sold-price aggregates from dealer-anonymized retail listing lifecycle observations, benchmarked against confirmed retail transaction data. Every published number is a dated observation of a fully-closed reporting month — not a verdict on any single vehicle, and not a prediction.

  • Grain: state × make × model × month. Only fully-closed reporting months are published.
  • Statistical + dealer-anonymization gates enforce a minimum sample size, minimum distinct contributing dealers, and a per-dealer concentration cap so no single dealer dominates a cell.
  • Median, 25th/75th percentiles, average days-on-lot, median mileage, and median vehicle age summarize each cell's distribution — no dealer identity, no VIN-level detail.
  • Current asking-price context is drawn from live dealer listings deduplicated by VIN and compared against the most recent closed sold month.
  • Weekly refresh with a 22-day confirmation lag, so partial-month cells are never published and repeated queries never expose incremental transaction batches.

The gap between current asking median and recent sold median — surfaced as a negotiation-room figure on every cell — is a dated market-level observation, not an offer, not a guarantee, and not a dealer-margin claim.

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