Is the $37,419 price on this 2021 GMC Sierra 1500 a good deal?

OAV rates this as Fair Price because the asking price of $37,419 is within the typical market range for this vehicle.

Where is this 2021 GMC Sierra 1500 located?

This vehicle is listed in Sioux Falls, SD 57108. VIN: 1GTU9EET6MZ396850. Mileage: 75,279 miles.

No Photo Available

Vehicle Details

VIN1GTU9EET6MZ396850

TrimAT4

Exterior ColorBlack

Drivetrain4WD

Engine3.0L I6

TransmissionAutomatic

Fuel TypeDiesel

Inventory Typeused

Days on Lot60

2021 GMC Sierra 1500

AT4

Unscored

$37,41975,279 mi

Sioux Falls, SD 57108

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $37,419, comparable market range $31,995–$39,248, based on 5 comparable listings. Days on lot: 60 days.

Market price position

$37,419 · within market range

$31,995comparable$39,248

Regional range: $31,995 – $39,248
vs. market: $5,424 above low · $1,829 below high
Comparable vehicles: 5

Market Retail Price (MRP™)

$35,622

This vehicle $37,419 · $1,797 (5%) 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™)

$38,850

This vehicle $37,419 · $1,431 (4%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-23) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 18–65 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.

Local Range$31,995 – $39,248

Regional Range$31,995 – $46,750

Vern Eide

Sioux Falls, SD

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

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Request availability and out-the-door price

OAV will route your inquiry to Vern Eide for current availability of this 2021 GMC Sierra 1500 AT4 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 Sierra 1500

Listing updated: Jul 23, 2026

Listed by a franchise dealer in Sioux Falls, SD · On lot for 60 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $37,419 by vern eide in Sioux Falls, SD 57108. It has 75,279 miles on the odometer. The exterior color is Black. It features a 4WD drivetrain with a 3.0L I6 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 5 similar vehicles in the Sioux Falls market, the estimated market range is $31,995 to $39,248. The local market range in SD is $31,995 to $39,248.

This vehicle has been on the lot for 60 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 Sioux Falls, SD 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 2021 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 a franchise dealer in Sioux Falls, SD, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTU9EET6MZ396850 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 updated daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.