Is the $16,999 price on this 2018 GMC Sierra 1500 a good deal?

OAV rates this as a Great Deal because the asking price of $16,999 is below the typical market range for this vehicle.

What is the average price for a 2018 GMC Sierra 1500 in SC?

Based on 511 comparable listings in SC, the average asking price for a 2016-2020 GMC Sierra 1500 is $31,378, with prices ranging from $8,500 to $51,249.

How long does a 2018 GMC Sierra 1500 typically stay on dealer lots?

Comparable GMC Sierra 1500 listings in SC spend an average of 42 days on dealer lots.

Where is this 2018 GMC Sierra 1500 located?

This vehicle is listed in North Charleston, SC 29418. VIN: 3GTP1NEC1JG498959. Mileage: 193,279 miles.

What is the fair market price range for this 2018 GMC Sierra 1500?

OAV's Price-to-Market analysis estimates the fair market range is $21,900 to $34,796, based on 14 comparable vehicles.

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Vehicle Details

VIN3GTP1NEC1JG498959

TrimSLT

Exterior ColorBlack

DrivetrainRWD

Engine5.3L V8

TransmissionAutomatic

Fuel TypeUnleaded

Inventory Typeused

Days on Lot39

2018 GMC Sierra 1500

SLT

Great Deal

$16,999193,279 mi

North Charleston, SC 29418

Is this 2018 GMC Sierra 1500 SLT a good deal?

OAV verdict: Great Deal

Why: Listed at $16,999, comparable market range $21,900–$34,796, based on 14 comparable listings. Days on lot: 39 days (market average 42 days).

Market price position

$16,999 · $4,901 below market low

$21,900comparable$34,796

Regional range: $21,900 – $34,796
vs. market low: — $4,901 (22% below)
Comparable vehicles: 14

Market Retail Price (MRP™)

$28,348

This vehicle $16,999 · $11,349 (40%) 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™)

$19,591

This vehicle $16,999 · $2,592 (13%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-24) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 13–58 days.

Market Breakdown

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

Local Range$22,569 – $22,569

Regional Range$21,900 – $34,796

Apex Auto

North Charleston, SC

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

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Request availability and out-the-door price

OAV will route your inquiry to Apex Auto for current availability of this 2018 GMC Sierra 1500 SLT 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 2018 GMC Sierra 1500

Listing updated: Jul 23, 2026

Listed by an independent dealer in North Charleston, SC · On lot for 39 days · VIN verifiable at NHTSA

This used 2018 GMC Sierra 1500 SLT is listed at $16,999 by apex auto in North Charleston, SC 29418. It has 193,279 miles on the odometer. The exterior color is Black. It features a RWD drivetrain with a 5.3L V8 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 14 similar vehicles in the North Charleston market, the estimated market range is $21,900 to $34,796. The local market range in SC is $22,569 to $22,569.

This vehicle has been on the lot for 39 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 North Charleston, SC trucks 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 2018 GMC Sierra 1500 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 an independent dealer in North Charleston, SC, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP1NEC1JG498959 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 updated daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2018 GMC Sierra 1500 Market in SC

Comparable Vehicles

511

Average Price

$31,378

Price Range

$8,500–$51,249

Avg Days on Lot

Based on 511 comparable 2016-2020 GMC Sierra 1500 listings in SC, the average asking price is $31,378. This listing at $16,999 is $14,379 below average (46% below market). Comparable prices in SC range from $8,500 to $51,249. Similar vehicles spend an average of 42 days on dealer lots in this market.