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

VIN1GTP9EED3MZ353461
TrimAT4
Exterior ColorWhite
Drivetrain4WD
Engine5.3L V8
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot66

2021 GMC Sierra 1500

AT4

Fair Price
$37,68783,639 mi

Colorado Springs, CO 80905

Is this 2021 GMC Sierra 1500 AT4 a good deal?

OAV verdict: Fair Price

Why: Listed at $37,687, comparable market range $32,298–$41,300, based on 19 comparable listings. Days on lot: 66 days (market average 44 days).

Market price position

32,298
41,300
37,687

$37,687 · within market range

$32,298comparable$41,300
Regional range
$32,298 – $41,300
vs. market
$5,389 above low · $3,613 below high
Comparable vehicles
19
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1554 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$32,298 – $41,300
Regional Range$32,298 – $47,393

Alpine Buick Gmc South

Colorado Springs, CO

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

View all vehicles from alpine buick gmc south

Request availability and out-the-door price

OAV will route your inquiry to Alpine Buick Gmc South 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: Jun 24, 2026

Listed by a franchise dealer in Colorado Springs, CO · On lot for 66 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $37,687 by alpine buick gmc south in Colorado Springs, CO 80905. It has 83,639 miles on the odometer. The exterior color is White. It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 19 similar vehicles in the Colorado Springs market, the estimated market range is $32,298 to $41,300. The local market range in CO is $32,298 to $41,300.

This vehicle has been on the lot for 66 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 Colorado Springs, CO 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:

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 Colorado Springs, CO, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 1GTP9EED3MZ353461 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 CO

Comparable Vehicles

811

Average Price

$40,656

Price Range

$16,490–$65,583

Avg Days on Lot

44

Based on 811 comparable 2019-2023 GMC Sierra 1500 listings in CO, the average asking price is $40,656. This listing at $37,687 is $2,969 below average (7% below market). Comparable prices in CO range from $16,490 to $65,583. Similar vehicles spend an average of 44 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in CO

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: AT4 — compare trims below)