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

2018 GMC Sierra 1500 SLE

2018 GMC Sierra 1500View this vehicle at stewart automotive group →

Vehicle Details

VIN1GTV2MEC4JZ228963
TrimSLE
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot12

SLE

Unscored
$20,028137,352 mi

Alliance, OH 44601

Is this 2018 GMC Sierra 1500 SLE a good deal?

OAV verdict: Unscored

Why: Listed at $20,028. OAV has withheld a market verdict for this listing because its comparable evidence isn't sufficient to score it reliably. Listed 12 days.

Market price position

Insufficient comparable data to score this listing.

Stewart Automotive Group

Alliance, OH

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

View all vehicles from stewart automotive group

Request availability and out-the-door price

OAV will route your inquiry to Stewart Automotive Group for current availability of this 2018 GMC Sierra 1500 SLE and an out-the-door price quote (taxes, fees, addons included).

By submitting, you agree that OAV may share your email, ZIP, and message with Stewart Automotive Group so the dealer can respond to your request. See our Privacy Policy and Notice at Collection.

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

About This 2018 GMC Sierra 1500

Listing updated: Sep 1, 2026

Listed by an independent dealer in Alliance, OH · On lot for 12 days · VIN verifiable at NHTSA

This used 2018 GMC Sierra 1500 SLE is listed at $20,028 by stewart automotive group in Alliance, OH 44601. It has 137,352 miles on the odometer (dealer-reported, not independently verified by OAV). It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.

This vehicle has been on the lot for 12 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 Alliance, OH 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 an independent dealer in Alliance, OH, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTV2MEC4JZ228963 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 OH

OH Market Listings

317

Average Price

Price Range

Avg Days on Lot

58

Based on all 317 2016-2020 GMC Sierra 1500 listings in the OH 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 58 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in OH

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