Is the $50,049 price on this 2021 GMC Sierra 1500 a good deal?

OAV rates this as Fair Price because the asking price of $50,049 is within the typical market range for this vehicle.

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

Based on 362 comparable listings in MT, the average asking price for a 2019-2023 GMC Sierra 1500 is $39,769, with prices ranging from $22,988 to $63,959.

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

Comparable GMC Sierra 1500 listings in MT spend an average of 96 days on dealer lots.

Where is this 2021 GMC Sierra 1500 located?

This vehicle is listed in Sidney, MT 59270. VIN: 1GTU9EET0MZ186857. Mileage: 40,413 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 $50,049 to $50,049, based on available comparable vehicles.

Vehicle Details

VIN1GTU9EET0MZ186857

TrimAT4

Exterior ColorWhite

Drivetrain4WD

Engine3.0L I6

TransmissionAutomatic

Fuel TypeDiesel

Inventory Typeused

Days on Lot202

2021 GMC Sierra 1500

AT4

Unscored

$50,04940,413 mi

Sidney, MT 59270

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Unscored

Why: Listed at $50,049, comparable market range $50,049–$50,049. Days on lot: 202 days (market average 96 days).

Market price position

Lowest comparable ($)

50,049

Highest comparable ($)

50,049

This vehicle's price ($)

50,049

$50,049 · only listing at this price

$50,049 — single data point

Regional range: $50,049 (0 listings)
vs. market: Exact match — no spread
Comparable vehicles: 0

Demand-Verified· Backed by recent sales data

High Demand

Similar vehicles recently sold in an estimated 2–36 days.

What does Demand-Verified mean?

Verify before inquiring

This listing has been on market about 5.6x longer than typical for similar vehicles (cohort sells in 2–36 days; this one is at 202). Long days-on-lot on a fast-turn cohort can signal title concerns, mechanical issues, or pricing the dealer won't actually honor. Recommend a vehicle history report before spending more time.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.

Regional Range$34,791 – $43,298

Dealer Info

Hidden

Sidney, MT

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About This 2021 GMC Sierra 1500

Listing updated: May 20, 2026

Listed by a franchise dealer in Sidney, MT · On lot for 202 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $50,049 by a franchise dealer in Sidney, MT 59270. It has 40,413 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 Unscored due to insufficient comparable data. Based on available similar vehicles in the Sidney market, the estimated market range is $50,049 to $50,049.

This vehicle has been on the lot for 202 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 Sidney, MT 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 Sidney, MT, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTU9EET0MZ186857 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 MT

Comparable Vehicles

362

Average Price

$39,769

Price Range

$22,988–$63,959

Avg Days on Lot

Based on 362 comparable 2019-2023 GMC Sierra 1500 listings in MT, the average asking price is $39,769. This listing at $50,049 is $10,280 above average (26% above market). Comparable prices in MT range from $22,988 to $63,959. Similar vehicles spend an average of 96 days on dealer lots in this market.