2021 GMC Acadia SLE
Vehicle Details
SLE
Houston, TX 77070
Is this 2021 GMC Acadia SLE a good deal?
OAV verdict: Fair Price
Why: Listed at $17,995, comparable market range $13,800–$22,990, based on 14 comparable listings. Days on lot: 176 days (market average 166 days).
Market price position
$17,995 · within market range
- Comparable range
- $13,800 – $22,990
- vs. market
- $4,195 above low · $4,995 below high
- Comparable vehicles
- 14
Market Retail Price (MRP™)
$18,395This vehicle $17,995 · $400 (2%) 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™)
$20,957This vehicle $17,995 · $2,962 (14%) below TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-03) — an estimate, not an appraisal. How TRV works.
Comparable vehicles nationally recently sold in an estimated 13–56 days.
- This listing has been available about 3.1x longer than comparable vehicles typically take to sell (cohort sells in 13–56 days; this one is at 176). Confirm its history, condition, availability, and out-the-door price before proceeding.
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.
Sphinx Auto Sales Llc
Houston, TX
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 Sphinx Auto Sales Llc for current availability of this 2021 GMC Acadia 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 2021 GMC Acadia
Listing updated: Aug 3, 2026Listed by an independent dealer in Houston, TX · On lot for 176 days · VIN verifiable at NHTSA
This used 2021 GMC Acadia SLE is listed at $17,995 by sphinx auto sales llc in Houston, TX 77070. It has 75,747 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Blue. It features a FWD drivetrain with a 3.6L 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 14 comparable listings matched to this vehicle, the estimated market range is $13,800 to $22,990. The local market range in TX is $18,222 to $22,990. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).
This vehicle has been on the lot for 176 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 Houston, TX suvs 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 2021 GMC Acadia against similar vehicles currently available in the local and regional market — same make, model, and year range (currently across available trims and configurations; trim-level matching is rolling out), 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 Houston, TX, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GKKNKLS3MZ182446 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.
2021 GMC Acadia Market in TX
TX Market Listings
618
Average Price
$26,419
Price Range
$9,495–$57,525
Avg Days on Lot
166
Based on all 618 2019-2023 GMC Acadia listings in the TX market, the average asking price is $26,419. This listing at $17,995 is $8,424 below the broader TX average (32% below the TX average). This is a wider, all-trim comparison across TX; OAV's price verdict above uses the closer comparable set. Comparable prices in TX range from $9,495 to $57,525. Similar vehicles spend an average of 166 days on dealer lots in this market.
Similar GMC Acadia Listings in TX
8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: SLE — compare trims below)
2020 GMC Acadia
SLE
Alvin, TX
2020 GMC Acadia
SLE
Houston, TX
2020 GMC Acadia
SLE
Plano, TX
2019 GMC Acadia
SLE-1
Houston, TX
2019 GMC Acadia
SLE-1
Round Rock, TX
2019 GMC Acadia
SLE-2
Burleson, TX
2019 GMC Acadia
SLT-1
Red Oak, TX
2020 GMC Acadia
SLT
Atlanta, TX