2021 GMC Sierra 1500
1 / 5
★ GREAT
GMC logoPickup Truck ★ GREAT

2021 GMC Sierra 1500

AT4 · Satin Steel Metallic · Longmont
$35,999
≈ $597/mo · 60mo @ 6.4%
↓ $288 below market
Listed 233d ago
Call dealer
7-day, 250-mile return window
Clean title — verified by Carfax
Frame inspection passed
Inspected by certified tech · est. score 92/100
Mileage
122,425 mi
Body
Pickup Truck
Drivetrain
4WD
Fuel
Gas
MPG
18 mpg
Accidents
1 reported

About this GMC Sierra 1500

This 2021 GMC Sierra 1500 AT4 is listed at $35,999 with 122,425 miles on the odometer. Powertrain: 6.2L V-8 Gas, Automatic, 4WD. EPA-estimated fuel economy is 16 city / 21 highway MPG. Finished in Satin Steel Metallic, this Pickup Truck is well suited to daily driving and longer trips. Available at Victory Motors of Colorado in Longmont, CO. Contact the dealer directly through Carlify to schedule a test drive or request more photos. Looking at other gas options? Use the related links below to compare similar listings on Carlify.

The 2021 GMC Sierra 1500 Crew Cab AT4 4WD 6.2L V8 is a bold and capable full-size pickup that excels in both rugged performance and premium comfort. Under the hood, its powerful 6.2-liter V8 engine delivers outstanding horsepower and torque, making it perfect for towing, hauling, or simply enjoying a commanding drive. The AT4 trim is built for adventure, offering an off-road suspension package, skid plates, and a two-speed transfer case that ensure confidence on rough terrain, while still providing smooth handling on the road. Inside, the spacious crew cab blends luxury with utility, featuring leather-appointed seating, advanced technology with a large touchscreen display, smartphone integration, and premium audio for an enhanced driving experience. With its aggressive styling, unique AT4 accents, and functional design, it stands out on any road. Combining GMC’s professional-grade strength with refined comfort, the 2021 Sierra 1500 AT4 is a truck designed to conquer tough jobs while keeping every drive enjoyable.

Inspection summary

Engine & drivetrain93
Brakes & suspension91
Interior condition94
Exterior condition87
Tires89
Electronics97

Inspection scores are estimates based on title status, accident history, and frame condition. Schedule a third-party inspection before purchase.

Fair price meter
Great deal
$288 below the median listing price
GreatFairHigh
This car$35,999
Median for similar$36,287
5-year cost to own (est.)
Depreciation $12,960
Fuel $6,200
Insurance $7,100
Maintenance $3,400
Taxes & fees $3,060
Total estimated $32,720

Estimates from typical 12k mi/yr usage. Actuals vary.

Dealership

Victory Motors of Colorado

1325 Main Street

Longmont, CO80501

Hours
  • Mon9:00am – 7:00pm
  • Tue9:00am – 7:00pm
  • Wed9:00am – 7:00pm
  • Thu9:00am – 7:00pm
  • Fri9:00am – 7:00pm
  • Sat9:00am – 7:00pm
  • SunClosed

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