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U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV

2024 GMC Sierra 2500HD Denali

2024 GMC Sierra 2500HDView this vehicle at carmax south portland →

Vehicle Details

VIN1GT49REY3RF293395
TrimDenali
Exterior ColorBlack
Drivetrain4WD
Engine6.6L V8
TransmissionAutomatic
Fuel TypeDiesel
Inventory Typeused
Days on Lot27

Denali

Fair Price
$63,99847,451 mi

South Portland, ME 04106

Is this 2024 GMC Sierra 2500HD Denali a good deal?

OAV verdict: Fair Price

Why: Listed at $63,998, comparable market range $64,579–$74,950, based on 14 comparable listings. Listed 27 days · about typical for comparable local listings (typical ~30–135 days).

Market price position

$63,998 · near the low end of the range

Comparable range
$64,579 – $74,950
vs. market low
near the low end of the range
Comparable vehicles
14

Market Retail Price (MRP™)

$69,765

This vehicle $63,998 · $5,767 (8%) 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™)

$67,882

This vehicle $63,998 · $3,884 (6%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-09-01) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 1654 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.

Regional Range$64,579 – $74,950

Carmax South Portland

South Portland, ME

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

About This 2024 GMC Sierra 2500HD

Listing updated: Sep 1, 2026

Listed by an independent dealer in South Portland, ME · On lot for 27 days · VIN verifiable at NHTSA

This used 2024 GMC Sierra 2500HD Denali is listed at $63,998 by carmax south portland in South Portland, ME 04106. It has 47,451 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a 4WD drivetrain with a 6.6L V8 engine and Automatic transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Fair Price — priced in line with the supported comparable range. Based on 14 comparable listings matched to this vehicle, the estimated market range is $64,579 to $74,950. These comparisons match year, make, and model, 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 27 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 South Portland, ME trucks market analysis. OAV compares vehicles by local and regional price-to-market ranges and comparable count; days-on-lot and demand signals are shown separately, not as verdict inputs.

How this deal is rated

OAV compares this 2024 GMC Sierra 2500HD against similar vehicles currently available for sale — 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 comparable-range floor by a meaningful margin (OAV's minimum-gap rule); a listing below the floor by less than that margin is Fair Price.
  • 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 can surface additional verification signals, but commercial participation never changes a listing's Price-to-Market verdict, eligibility, ranking, or confidence.

How this listing is verified

This vehicle listing was aggregated from an independent dealer in South Portland, ME, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GT49REY3RF293395 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.

2024 GMC Sierra 2500HD Market in ME

ME Market Listings

264

Average Price

$69,948

Price Range

$53,331–$90,962

Avg Days on Lot

69

Based on all 264 2022-2026 GMC Sierra 2500HD listings in the ME market, the average asking price is $69,948. This listing at $63,998 is $5,950 below the broader ME average (9% below the ME average). This is a wider, all-trim comparison across ME; OAV's price verdict above uses the closer comparable set. Comparable prices in ME range from $53,331 to $90,962. Similar vehicles spend an average of 69 days on dealer lots in this market.

Similar GMC Sierra 2500HD Listings in ME

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: Denali — compare trims below)