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

2018 BMW 6 Series Gran Turismo 640i

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Vehicle Details

VINWBAJV6C50JBJ99845
Trim640i
Drivetrain4WD
Engine3.0L I6
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot9

640i

Unscored
$19,99588,508 mi

Roseville, CA 95661

Is this 2018 BMW 6 Series Gran Turismo 640i a good deal?

OAV verdict: Unscored

Why: Listed at $19,995. OAV has not found enough comparable listings for a reliable market range or verdict. Days on lot: 9 days (market average 43 days).

Market price position

OAV has not assigned a reliable market verdict to this listing yet — the available comparable evidence isn't sufficient to score it.

Autonation Honda Roseville

Roseville, CA

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OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

About This 2018 BMW 6 Series Gran Turismo

Listing updated: Aug 20, 2026

Listed by a franchise dealer in Roseville, CA · On lot for 9 days · VIN verifiable at NHTSA

This used 2018 BMW 6 Series Gran Turismo 640i is listed at $19,995 by autonation honda roseville in Roseville, CA 95661. It has 88,508 miles on the odometer (dealer-reported, not independently verified by OAV). It features a 4WD drivetrain with a 3.0L I6 engine and Automatic transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. OAV has not assigned a reliable comparable market range for this vehicle yet — the available comparable evidence isn't sufficient for a reliable verdict.

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).

Market context

This listing is part of OAV's broader Roseville, CA hatchbacks market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

How this deal is rated

OAV compares this 2018 BMW 6 Series Gran Turismo against similar vehicles currently available in the local and regional market — 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 typical range for comparable vehicles.
  • 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 surface additional verification signals.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Roseville, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WBAJV6C50JBJ99845 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 within the same geographic market.

2018 BMW 6 Series Gran Turismo Market in CA

CA Market Listings

12

Average Price

Price Range

Avg Days on Lot

43

Based on all 12 2016-2020 BMW 6 Series Gran Turismo listings in the CA market. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Similar vehicles spend an average of 43 days on dealer lots in this market.

Similar BMW 6 Series Gran Turismo Listings in CA

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: 640i — compare trims below)