Vehicle Details
2018 GMC Sierra 1500
SLE
Clinton, MA 01510
Is this 2018 GMC Sierra 1500 SLE a good deal?
OAV verdict: Fair Price
Why: Listed at $20,990, comparable market range $13,900–$28,395, based on 12 comparable listings. Days on lot: 7 days (market average 55 days).
Market price position
$20,990 · within market range
- Regional range
- $13,900 – $28,395
- vs. market
- $7,090 above low · $7,405 below high
- Comparable vehicles
- 12
Market Retail Price (MRP™)
$21,148This vehicle $20,990 · $158 (1%) 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™)
$21,898This vehicle $20,990 · $908 (4%) below TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-16) — an estimate, not an appraisal. How TRV works.
Similar vehicles recently sold in an estimated 11–62 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.
Dicon Auto Sales Llc
Clinton, MA
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 Dicon Auto Sales Llc for current availability of this 2018 GMC Sierra 1500 SLE 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 15, 2026Listed by an independent dealer in Clinton, MA · On lot for 7 days · VIN verifiable at NHTSA
This used 2018 GMC Sierra 1500 SLE is listed at $20,990 by dicon auto sales llc in Clinton, MA 01510. It has 125,633 miles on the odometer. It features a 4WD drivetrain with a 4.3L V6 engine and Automatic transmission.
OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 12 similar vehicles in the Clinton market, the estimated market range is $13,900 to $28,395.
This vehicle has been on the lot for 7 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 Clinton, MA 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 Clinton, MA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTV2MEC5JZ341739 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 refreshed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.
2018 GMC Sierra 1500 Market in MA
Comparable Vehicles
223
Average Price
$29,944
Price Range
$9,900–$44,604
Avg Days on Lot
55
Based on 223 comparable 2016-2020 GMC Sierra 1500 listings in MA, the average asking price is $29,944. This listing at $20,990 is $8,954 below average (30% below market). Comparable prices in MA range from $9,900 to $44,604. Similar vehicles spend an average of 55 days on dealer lots in this market.
Similar GMC Sierra 1500 Listings in MA
8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: SLE — compare trims below)
2019 GMC Sierra 1500
SLE
Dracut, MA
2016 GMC Sierra 1500
SLE
Springfield, MA
2016 GMC Sierra 1500
SLE
Millis, MA
2018 GMC Sierra 1500
SLE
Springfield, MA
2019 GMC Sierra 1500
AT4
Mendon, MA
2019 GMC Sierra 1500
AT4
Milford, MA
2019 GMC Sierra 1500
AT4
North Attleborough, MA
2019 GMC Sierra 1500
AT4
Peabody, MA