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

2018 GMC Sierra 1500 SLT

2018 GMC Sierra 1500View this vehicle at david taylor michigan city cdjr →

Vehicle Details

VIN3GTU2NER4JG374897
TrimSLT
Exterior ColorSilver
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot30

SLT

Fair Price
$24,399122,847 mi

Michigan City, IN 46360

Is this 2018 GMC Sierra 1500 SLT a good deal?

OAV verdict: Fair Price

Why: Listed at $24,399, comparable market range $19,025–$37,590, based on 14 comparable listings. Listed 30 days · about typical for comparable local listings (typical ~15–90 days).

Market price position

$24,399 · within market range

Comparable range
$19,025 – $37,590
vs. market
$5,374 above low · $13,191 below high
Comparable vehicles
14

Market Retail Price (MRP™)

$28,308

This vehicle $24,399 · $3,909 (14%) 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™)

$25,704

This vehicle $24,399 · $1,305 (5%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-30) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 1563 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.

Regional Range$19,025 – $37,590

David Taylor Michigan City Cdjr

Michigan City, IN

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

About This 2018 GMC Sierra 1500

Listing updated: Aug 30, 2026

Listed by a franchise dealer in Michigan City, IN · On lot for 30 days · VIN verifiable at NHTSA

This used 2018 GMC Sierra 1500 SLT is listed at $24,399 by david taylor michigan city cdjr in Michigan City, IN 46360. It has 122,847 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Silver. It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Fair Price — priced in line with the supported comparable range. Based on 14 comparable listings matched to this vehicle, the estimated market range is $19,025 to $37,590. 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 30 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 Michigan City, IN trucks 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 2018 GMC Sierra 1500 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 a franchise dealer in Michigan City, IN, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU2NER4JG374897 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.

2018 GMC Sierra 1500 Market in IN

IN Market Listings

193

Average Price

$26,492

Price Range

$16,754–$35,511

Avg Days on Lot

63

Based on all 193 2016-2020 GMC Sierra 1500 listings in the IN market, the average asking price is $26,492. This listing at $24,399 is $2,093 below the broader IN average (8% below the IN average). This is a wider, all-trim comparison across IN; OAV's price verdict above uses the closer comparable set. Comparable prices in IN range from $16,754 to $35,511. Similar vehicles spend an average of 63 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in IN

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