Vehicle Details
2026 GMC Terrain
AT4
Sullivan, IL 61951
Is this 2026 GMC Terrain AT4 a good deal?
OAV verdict: Great Deal
Why: Listed at $38,443, comparable market range $38,738–$43,663, based on 13 comparable listings. Days on lot: 77 days (market average 59 days).
Manufacturer MSRPPrimary
$44,685This vehicle $38,443 · $6,242 (14%) below MSRP
MSRP is the manufacturer's suggested retail price. Discount from MSRP is OAV's primary deal metric for new vehicles; OAV's market comparables (MRP) and sold-price value (TRV) below are secondary validation. How OAV rates new-car deals.
Market price position
$38,443 · $295 below market low
- Regional range
- $38,738 – $43,663
- vs. market low
- — $295 (1% below)
- Comparable vehicles
- 13
Market Retail Price (MRP™)
$41,201This vehicle $38,443 · $2,758 (7%) below 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™)
$41,628This vehicle $38,443 · $3,185 (8%) below TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-28) — an estimate, not an appraisal. How TRV works.
Similar vehicles recently sold in an estimated 14–60 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.
Jackson Gmc
Sullivan, IL
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
Request availability and out-the-door price
OAV will route your inquiry to Jackson Gmc for current availability of this 2026 GMC Terrain AT4 and an out-the-door price quote (taxes, fees, addons included).
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
About This 2026 GMC Terrain
Listing updated: Jul 28, 2026Listed by a franchise dealer in Sullivan, IL · On lot for 77 days · VIN verifiable at NHTSA
This new 2026 GMC Terrain AT4 is listed at $38,443 by jackson gmc in Sullivan, IL 61951. It has 8 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 1.5L 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 13 similar vehicles in the Sullivan market, the estimated market range is $38,738 to $43,663.
This vehicle has been on the lot for 77 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 Sullivan, IL suvs 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 2026 GMC Terrain 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:
- 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 Sullivan, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALYEG2TL451992 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 GMC Terrain Market in IL
Comparable Vehicles
761
Average Price
$34,983
Price Range
$19,411–$48,415
Avg Days on Lot
59
Based on 761 comparable 2024-2028 GMC Terrain listings in IL, the average asking price is $34,983. This listing at $38,443 is $3,460 above average (10% above market). Comparable prices in IL range from $19,411 to $48,415. Similar vehicles spend an average of 59 days on dealer lots in this market.
Similar GMC Terrain Listings in IL
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: AT4 — compare trims below)
2024 GMC Terrain
AT4
Sycamore, IL
2024 GMC Terrain
SLE
Oakbrook Terrace, IL
2024 GMC Terrain
SLE
Des Plaines, IL
2024 GMC Terrain
SLE
East Moline, IL
2024 GMC Terrain
SLE
Bloomington, IL
2024 GMC Terrain
SLE
Tinley Park, IL
2024 GMC Terrain
SLE
Bourbonnais, IL
2024 GMC Terrain
SLE
Bloomington, IL