2026 BMW 8 Series 840i

Listed by a franchise dealer in Lake Bluff, IL · On lot for 458 days · VIN verifiable at NHTSA

This used 2026 BMW 8 Series 840i is listed at $80,372 by karl knauz bmw in Lake Bluff, IL 60044. It has 6,619 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a 4WD drivetrain with a 3.0L I6 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 44 comparable listings matched to this vehicle, the estimated market range is $75,372 to $103,172. The local market range in IL is $75,372 to $103,172. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).

This vehicle has been on the lot for 458 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 Lake Bluff, IL sedans market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

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How this deal is rated

OAV compares this 2026 BMW 8 Series against similar vehicles currently available in the local and regional market — same make, model, and year range (currently across available trims and configurations; trim-level matching is rolling out), filtered for comparable mileage. 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 Lake Bluff, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WBAGV4C09TCV30129 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.

2026 BMW 8 Series Market in IL

Based on all 162 2024-2028 BMW 8 Series listings in the IL market, the average asking price is $102,841. This listing at $80,372 is $22,469 below the broader IL average (22% below the IL average). This is a wider, all-trim comparison across IL; OAV's price verdict above uses the closer comparable set. Comparable prices in IL range from $58,385 to $140,477. Similar vehicles spend an average of 210 days on dealer lots in this market.

Similar BMW 8 Series Listings in IL

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: 840i — compare trims below)