2018 GMC Sierra 1500 SLT
Vehicle Details
SLT
Tampa, FL 33612
Is this 2018 GMC Sierra 1500 SLT a good deal?
OAV verdict: Fair Price
Why: Listed at $19,995, comparable market range $15,000–$32,722, based on 27 comparable listings. Listed 5 days.
Market price position
$19,995 · within market range
- Comparable range
- $15,000 – $32,722
- vs. market
- $4,995 above low · $12,727 below high
- Comparable vehicles
- 27
Market Retail Price (MRP™)
$23,861This vehicle $19,995 · $3,866 (16%) 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™)
$24,346This vehicle $19,995 · $4,351 (18%) below TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-26) — an estimate, not an appraisal. How TRV works.
Comparable vehicles nationally recently sold in an estimated 16–63 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.
United Sales & Leasing Inc
Tampa, FL
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 United Sales & Leasing Inc 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: Aug 26, 2026Listed by an independent dealer in Tampa, FL · On lot for 5 days · VIN verifiable at NHTSA
This used 2018 GMC Sierra 1500 SLT is listed at $19,995 by united sales & leasing inc in Tampa, FL 33612. It has 136,768 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is White. It features a RWD 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 at market value. Based on 27 comparable listings matched to this vehicle, the estimated market range is $15,000 to $32,722. These comparisons match year, make, model, and market, 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 5 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 Tampa, FL 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, 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 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 Tampa, FL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP1NEC2JG478932 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.
2018 GMC Sierra 1500 Market in FL
FL Market Listings
294
Average Price
$26,983
Price Range
$16,479–$35,999
Avg Days on Lot
87
Based on all 294 2016-2020 GMC Sierra 1500 listings in the FL market, the average asking price is $26,983. This listing at $19,995 is $6,988 below the broader FL average (26% below the FL average). This is a wider, all-trim comparison across FL; OAV's price verdict above uses the closer comparable set. Comparable prices in FL range from $16,479 to $35,999. Similar vehicles spend an average of 87 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in FL
8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLT — compare trims below)
2018 GMC Sierra 1500
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Orlando, FL
2016 GMC Sierra 1500
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Jacksonville, FL
2017 GMC Sierra 1500
SLT
Fort Myers, FL
2017 GMC Sierra 1500
SLT
Hollywood, FL
2016 GMC Sierra 1500
Base
Hialeah, FL
2017 GMC Sierra 1500
Base
Orlando, FL
2017 GMC Sierra 1500
Base
Kissimmee, FL