2021 GMC Sierra 1500 4WD Crew Cab Standard Box AT4
$2,414 more than this car
- 101,846 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
United Automotive LLC · Denver, CO · 23 mi away
122,928 miles · truck · Listed today on AutosXchange

This 2021 GMC Sierra 1500 AT4 CREW 6.2 delivers commanding power and premium capability in a versatile crew cab package. Finished in sophisticated gray with a jet black and kalahari interior, this 4WD pickup combines rugged performance with refined comfort and cutting-edge technology designed for both work and weekend adventure. - Power Sunroof - Technology Package with Premium GMC Infotainment System and Navigation - Premium Bose 7-Speaker Sound System - 20 Machined Aluminum Wheels with Carbon Grey Accents - AT4 Premium Package - EcoTec3 6.2L V8 Engine with 10-Speed Automatic Transmission - Spray-On Pickup Bed Liner with AT4 Logo - HD Surround Vision with Trailer View Camera Provisions - Apple CarPlay/Android Auto Compatibility - Wireless Charging and 4G LTE Wi-Fi Hotspot Capable This Sierra comes equipped with heated and ventilated front seats, heated second-row outboard seating, and power dual-zone climate control for all-weather comfort. The Advanced Driver Alert Package II includes automatic emergency braking, lane keep assist with departure warning, forward collision alert, and rear cross traffic alert—comprehensive safety features for confident driving. The Trailering Package with integrated trailer brake controller, hitch guidance, and in-vehicle trailering app makes towing straightforward. Inside, you'll find a rear camera mirror, bed view camera, and ultrasonic park assist for enhanced visibility and convenience. Contact our Internet Sales Team to schedule your test drive and discover why this premium Sierra stands apart. Dacono, Longmont, Frederick, Firestone, Loveland, Front Range, Denver, Greeley, Ft Collins, Weld 80514. Here at Interstate Ford we try to make your buying experience as positive and hassle free as possible. All vehicles go through an inspection prior to sale and include a complimentary AutoCheck Vehicle History Report. Call our experienced Internet Sales Team today and see what sets Interstate Ford apart from the competition. Interstate Ford is located 2 blocks east of I-25 on Highway 52. We are just south of Longmont, Just north of Thornton.
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
Among the lowest-priced · 100% of 4 similar listings ask more than this car.
How we calculate market value: comparable cars for sale now plus their last listed prices.
Price tracked by AutosXchange since Nov 12, 2026. No price change at this dealership since Nov 12 ($32,581).
Market activity: All vehicles prices in Centennial, CO: 36.1% of listings cut in 48 hours
Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 12); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
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2021 GMC Sierra 1500 4WD Crew Cab Standard Box AT4101,846 miles · United Automotive LLC · Denver, CO · 23 mi away$34,995$2,414 more than this car
2021 GMC Sierra 1500 AT4 Truck Crew Cab89,392 miles · Pedersen Volvo Cars · Fort Collins, CO · 32 mi away$37,990$5,409 more than this car
2020 GMC Sierra 1500 4WD Crew Cab Standard Box AT4114,734 miles · Sterling Auto Sales · Franktown, CO · 53 mi away$32,950$369 more than this car
2020 GMC Sierra 1500 4WD Crew Cab Short Box AT4110,520 miles · Sterling Auto Sales · Franktown, CO · 53 mi away$32,950$369 more than this carAll years and trims. Nearest first.
Interstate Ford · Dacono, CO · 0 mi away
Interstate Ford · Dacono, CO · 0 mi away
Interstate Ford · Dacono, CO · 0 mi away
Interstate Ford · Dacono, CO · 0 mi away
2021 GMC Sierra 1500 Elevation CREW 3.098,804 miles · Interstate Ford · Dacono, CO · 0 mi away$27,559
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