2020 GMC Sierra 1500 Denali
Vehicle Details
Plymouth, MI 48170
Is this 2020 GMC Sierra 1500 Denali a good deal?
OAV verdict: Overpriced
Why: Listed at $39,533, comparable market range $21,000–$39,304, based on 70 comparable listings. Listed 36 days.
Market price position
$39,533 · $229 above market high
- Comparable range
- $21,000 – $39,304
- vs. market high
- + $229 (1% above)
- Comparable vehicles
- 70
Market Retail Price (MRP™)
$30,152This vehicle $39,533 · $9,381 (31%) above 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™)
$40,107This vehicle $39,533 · $574 (1%) below TRV
TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-23) — an estimate, not an appraisal. How TRV works.
Comparable vehicles nationally recently sold in an estimated 14–57 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.
Lafontaine Chevrolet Plymouth
Plymouth, MI
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OAV will route your inquiry to Lafontaine Chevrolet Plymouth for current availability of this 2020 GMC Sierra 1500 Denali 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 2020 GMC Sierra 1500 Denali
Listing updated: Aug 23, 2026Listed by a franchise dealer in Plymouth, MI · On lot for 36 days · VIN verifiable at NHTSA
This used 2020 GMC Sierra 1500 Denali is listed at $39,533 by lafontaine chevrolet plymouth in Plymouth, MI 48170. It has 55,422 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a 4WD drivetrain with a 6.2L V8 engine and Automatic transmission.
OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Overpriced — priced above market value. Based on 70 comparable listings matched to this vehicle, the estimated market range is $21,000 to $39,304. 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 36 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 Plymouth, MI 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 2020 GMC Sierra 1500 Denali 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 a franchise dealer in Plymouth, MI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU9FEL7LG451973 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.
2020 GMC Sierra 1500 Denali Market in MI
MI Market Listings
83
Average Price
$35,218
Price Range
$19,995–$57,602
Avg Days on Lot
57
Based on all 83 2018-2022 GMC Sierra 1500 Denali listings in the MI market, the average asking price is $35,218. This listing at $39,533 is $4,315 above the broader MI average (12% above the MI average). This is a wider, all-trim comparison across MI; OAV's price verdict above uses the closer comparable set. Comparable prices in MI range from $19,995 to $57,602. Similar vehicles spend an average of 57 days on dealer lots in this market.
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8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: Denali — compare trims below)
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