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

2021 BMW 8 Series M850i

2021 BMW 8 SeriesView this vehicle at gravity autos sandy springs →

Vehicle Details

VINWBAGV8C02MCF82925
TrimM850i
Exterior ColorBlack
Drivetrain4WD
Engine4.4L V8
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot9

M850i

Overpriced
$54,08346,090 mi

Sandy Springs, GA 30328

Is this 2021 BMW 8 Series M850i a good deal?

OAV verdict: Overpriced

Why: Listed at $54,083, comparable market range $42,500–$51,699, based on 12 comparable listings. Listed 9 days.

Market price position

$54,083 · $2,384 above market high

Comparable range
$42,500 – $51,699
vs. market high
+ $2,384 (5% above)
Comparable vehicles
12

Market Retail Price (MRP™)

$47,100

This vehicle $54,083 · $6,983 (15%) above MRP

MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.

True Retail Value (TRV™)

$48,707

This vehicle $54,083 · $5,376 (11%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-09-12) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 944 days.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.

Local Range$51,647 – $51,647
Regional Range$42,500 – $51,699

Gravity Autos Sandy Springs

Sandy Springs, GA

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About This 2021 BMW 8 Series

Listing updated: Sep 13, 2026

Listed by an independent dealer in Sandy Springs, GA · On lot for 9 days · VIN verifiable at NHTSA

This used 2021 BMW 8 Series M850i is listed at $54,083 by gravity autos sandy springs in Sandy Springs, GA 30328. It has 46,090 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a 4WD drivetrain with a 4.4L V8 engine and Automatic transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Overpriced — priced above the supported comparable range. Based on 12 comparable listings matched to this vehicle, the estimated market range is $42,500 to $51,699. These comparisons match year, make, and model, using trim where trim data supports it. OAV does not adjust comparables for odometer — where mileage would distort a verdict, it withholds one instead.

This vehicle has been on the lot for 9 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477). Verdict methodology ptm-verdict-v1 · snapshot Sep 13, 2026. The patented comparable band is the input; ptm-verdict-v1 is the versioned OAV rule set that turns it into this verdict.

Market context

This listing is part of OAV's broader Sandy Springs, GA sedans market analysis. OAV compares vehicles by local and regional price-to-market ranges and comparable count; days-on-lot and demand signals are shown separately, not as verdict inputs.

How this deal is rated

OAV compares this 2021 BMW 8 Series against similar vehicles currently available for sale — same make, model, and year range, using trim where trim data supports it. OAV does not adjust comparables for odometer; on very high-mileage vehicles it withholds a verdict rather than overstate a discount the odometer explains. Based on where this listing falls in that comparable set, it is rated:

  • Great Deal — priced below the comparable-range floor by a meaningful margin (OAV's minimum-gap rule); a listing below the floor by less than that margin is Fair Price.
  • Fair Price — priced within the expected range for comparable vehicles.
  • Overpriced — priced above the typical range for comparable vehicles.

Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners can surface additional verification signals, but commercial participation never changes a listing's Price-to-Market verdict, eligibility, ranking, or confidence.

How this listing is verified

This vehicle listing was aggregated from an independent dealer in Sandy Springs, GA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WBAGV8C02MCF82925 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.

Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented methodology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is processed daily; Price-to-Market analysis uses comparable vehicles.

2021 BMW 8 Series Market in GA

GA Market Listings

27

Average Price

$47,267

Price Range

$37,452–$55,437

Avg Days on Lot

57

Based on all 27 2019-2023 BMW 8 Series listings in the GA market, the average asking price is $47,267. This listing at $54,083 is $6,816 above the broader GA average (14% above the GA average). This is a wider, all-trim comparison across GA; OAV's price verdict above uses the closer comparable set. Comparable prices in GA range from $37,452 to $55,437. Similar vehicles spend an average of 57 days on dealer lots in this market.

Similar BMW 8 Series Listings in GA

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: M850i — compare trims below)

This is a broad, statewide same-model set (any trim, mileage, or title) — not the qualified comparable cohort behind the verdict above; lower prices here typically reflect a different trim, higher mileage, or a branded title.