U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology · Patent Pending for Additional Innovations
OAV
2018 Chevrolet Impala

Vehicle Details

VIN2G11X5S31J9165317
Trim1FL
Exterior ColorBlack
DrivetrainFWD
Engine2.5L I4
TransmissionAutomatic
Fuel TypeE85 / Unleaded
Inventory Typeused
MSRP$5,995
Days on Lot15
Days on Market52

2018 Chevrolet Impala

1FL

Great Deal
$5,995173,024 miles

Chicago, IL 60636

Market price position

12,991
14,888
5,995

$5,995 · $6,996 below market low

$12,991$14,888 comparable
Regional range
$12,991 – $14,888
vs. market low
— $6,996 (54% below)
Comparable vehicles
7

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.

Regional Range$12,991 – $14,888

Dealer Info

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Chicago, IL

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About This 2018 Chevrolet Impala

Listing updated: Apr 26, 2026

Listed by a independent dealer in Chicago, IL · On lot for 15 days · VIN verifiable at NHTSA

This used 2018 Chevrolet Impala 1FL is listed at $5,995 by a independent dealer in Chicago, IL 60636. It has 173,024 miles on the odometer. The exterior color is Black. It features a FWD drivetrain with a 2.5L I4 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as a Great Deal — priced below market value. Based on 7 similar vehicles in the Chicago market, the estimated market range is $12,991 to $14,888.

This vehicle has been on the lot for 15 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).

How this deal is rated

OAV compares this 2018 Chevrolet Impala against similar vehicles currently available in the local and regional market — same make, model, and year range, filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:

This rating refreshes daily as inventory enters and leaves the market. The dealer on this listing has not yet activated on OAV, so the business name and contact details are anonymized here. Activated (paying) dealers appear with their verified business name and a Verified badge.

How this listing is verified

This vehicle listing was aggregated from a independent dealer in Chicago, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network. The VIN 2G11X5S31J9165317 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 refreshed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2018 Chevrolet Impala Market in IL

Comparable Vehicles

176

Average Price

$12,456

Price Range

$4,950–$24,998

Avg Days on Lot

75

Based on 176 comparable 2016-2020 Chevrolet Impala listings in IL, the average asking price is $12,456. This listing at $5,995 is $6,461 below average (52% below market). Comparable prices in IL range from $4,950 to $24,998. Similar vehicles spend an average of 75 days on dealer lots in this market.

Similar Chevrolet Impala Listings in IL

8 comparable vehicles with similar year and mileage