Is the $33,933 price on this 2021 GMC Sierra 1500 a good deal?

OAV rates this as a Great Deal because the asking price of $33,933 is below the typical market range for this vehicle.

What is the average price for a 2021 GMC Sierra 1500 in ID?

Based on 368 comparable listings in ID, the average asking price for a 2019-2023 GMC Sierra 1500 is $38,423, with prices ranging from $13,085 to $65,499.

How long does a 2021 GMC Sierra 1500 typically stay on dealer lots?

Comparable GMC Sierra 1500 listings in ID spend an average of 63 days on dealer lots.

Where is this 2021 GMC Sierra 1500 located?

This vehicle is listed in Nampa, ID 83687. VIN: 3GTU9EET2MG178520. Mileage: 127,530 miles.

What is the fair market price range for this 2021 GMC Sierra 1500?

OAV's Price-to-Market analysis estimates the fair market range is $35,590 to $47,502, based on 14 comparable vehicles.

Vehicle Details

VIN3GTU9EET2MG178520

TrimAT4

Exterior ColorWhite

Drivetrain4WD

Engine3.0L I6

TransmissionAutomatic

Fuel TypeDiesel

Inventory Typeused

Days on Lot31

2021 GMC Sierra 1500

AT4

Great Deal

$33,933127,530 mi

Nampa, ID 83687

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Great Deal

Why: Listed at $33,933, comparable market range $35,590–$47,502, based on 14 comparable listings. Days on lot: 31 days (market average 63 days).

Market price position

Lowest comparable ($)

35,590

Highest comparable ($)

47,502

This vehicle's price ($)

33,933

$33,933 · $1,657 below market low

$35,590comparable$47,502

Regional range: $35,590 – $47,502
vs. market low: — $1,657 (5% below)
Comparable vehicles: 14

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 16–56 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$35,590 – $35,590

Regional Range$35,590 – $47,502

Dealer Info

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Nampa, ID

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About This 2021 GMC Sierra 1500

Listing updated: May 20, 2026

Listed by a franchise dealer in Nampa, ID · On lot for 31 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $33,933 by a franchise dealer in Nampa, ID 83687. It has 127,530 miles on the odometer. The exterior color is White. 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 a Great Deal — priced below market value. Based on 14 similar vehicles in the Nampa market, the estimated market range is $35,590 to $47,502. The local market range in ID is $35,590 to $35,590.

This vehicle has been on the lot for 31 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 Nampa, ID 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 Nampa, ID, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTU9EET2MG178520 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.

2021 GMC Sierra 1500 Market in ID

Comparable Vehicles

368

Average Price

$38,423

Price Range

$13,085–$65,499

Avg Days on Lot

Based on 368 comparable 2019-2023 GMC Sierra 1500 listings in ID, the average asking price is $38,423. This listing at $33,933 is $4,490 below average (12% below market). Comparable prices in ID range from $13,085 to $65,499. Similar vehicles spend an average of 63 days on dealer lots in this market.