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

2021 GMC Sierra 1500 AT4

2021 GMC Sierra 1500View this vehicle at john hirsch's cambridge motors chevrolet →

Vehicle Details

VIN3GTP9EED3MG194330
TrimAT4
Exterior ColorWhite
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot29

AT4

Fair Price
$29,741146,229 mi

Cambridge, MN 55008

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Fair Price

Why: Listed at $29,741, comparable market range $26,846–$43,748, based on 32 comparable listings. Listed 29 days · about typical for comparable local listings (typical ~15–75 days).

Market price position

$29,741 · within market range

Comparable range
$26,846 – $43,748
vs. market
$2,895 above low · $14,007 below high
Comparable vehicles
32

Market Retail Price (MRP™)

$35,297

This vehicle $29,741 · $5,556 (16%) 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™)

$30,952

This vehicle $29,741 · $1,211 (4%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-09-02) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 1457 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.

Local Range$30,348 – $30,348
Regional Range$26,846 – $43,748

John Hirsch's Cambridge Motors Chevrolet

Cambridge, MN

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View all vehicles from john hirsch's cambridge motors chevrolet

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

About This 2021 GMC Sierra 1500

Listing updated: Sep 2, 2026

Listed by a franchise dealer in Cambridge, MN · On lot for 29 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $29,741 by john hirsch's cambridge motors chevrolet in Cambridge, MN 55008. It has 146,229 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is White. It features a 4WD drivetrain with a 5.3L 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 32 comparable listings matched to this vehicle, the estimated market range is $26,846 to $43,748. 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 29 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 Cambridge, MN 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 2021 GMC Sierra 1500 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 a franchise dealer in Cambridge, MN, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP9EED3MG194330 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.

2021 GMC Sierra 1500 Market in MN

MN Market Listings

342

Average Price

$36,305

Price Range

$27,252–$47,477

Avg Days on Lot

64

Based on all 342 2019-2023 GMC Sierra 1500 listings in the MN market, the average asking price is $36,305. This listing at $29,741 is $6,564 below the broader MN average (18% below the MN average). This is a wider, all-trim comparison across MN; OAV's price verdict above uses the closer comparable set. Comparable prices in MN range from $27,252 to $47,477. Similar vehicles spend an average of 64 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in MN

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: AT4 — compare trims below)