2021 GMC Sierra 1500 AT4 AT4 SB
$2,399 less than this car
- 152,649 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
REVELES AUTO SALES LLC · Amarillo, TX · 355 mi away
2021 GMC Sierra 1500 AT4
133,828 miles · truck · Price dropped $1,000

***+ $599 +++ Delivery and handling fee ***
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
In the typical middle range · 28% of 18 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 5, 2026. 1 price change at this dealership: $38,899 → $37,899 (−$1,000).
AutosXchange Intel Hub: Price changes for this model in Colorado · This model in the Intel Hub · Market movers in Colorado
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.
Same 2021 Sierra 1500 AT4 SB · used · any miles · nationwide. Showing the 12 nearest of 18 comparable cars for sale, nearest first.
$2,399 less than this car
REVELES AUTO SALES LLC · Amarillo, TX · 355 mi away
$6,904 less than this car
De Anda Auto Sales · South Sioux City, NE · 486 mi away
$2,601 more than this car
Rollit Motors · Mesa, AZ · 572 mi away
$1,904 less than this car
RON JOHNSON WHOLESALE INC · Springdale, AR · 637 mi away
$900 less than this car
CarTime · Rogers, AR · 644 mi away
$11 less than this car
JON DELLINGER AUTOMOTIVE · Springdale, AR · 645 mi away
$7,002 less than this car
Auto Source · Banning, CA · 763 mi away
$14,904 less than this car
Valley VIP Auto Sales · Spokane Valley, WA · 822 mi away
$2,100 more than this car
Houston Auto Credit · Houston, TX · 876 mi away
$6,999 less than this car
Cruisin' Auto Sales · Madison, IN · 1,052 mi away
$8,900 less than this car
Harrison Auto Sales · Irwin, PA · 1,336 mi away
$12,000 less than this car
Palermo Motors · Hollywood, FL · 1,715 mi away
2021 GMC Sierra 1500 AT4152,649 miles · REVELES AUTO SALES LLC · Amarillo, TX · 355 mi away$35,500$2,399 less than this car
2021 GMC Sierra 1500 AT4127,342 miles · De Anda Auto Sales · South Sioux City, NE · 486 mi away$30,995$6,904 less than this car
2021 GMC Sierra 1500 AT444,670 miles · Rollit Motors · Mesa, AZ · 572 mi away$40,500$2,601 more than this car
2021 GMC Sierra 1500 AT4138,232 miles · RON JOHNSON WHOLESALE INC · Springdale, AR · 637 mi away$35,995$1,904 less than this car
2021 GMC Sierra 1500 AT4119,672 miles · CarTime · Rogers, AR · 644 mi away$36,999$900 less than this car
2021 GMC Sierra 1500 AT469,220 miles · JON DELLINGER AUTOMOTIVE · Springdale, AR · 645 mi away$37,888$11 less than this car
2021 GMC Sierra 1500 AT4120,056 miles · Auto Source · Banning, CA · 763 mi away$30,897$7,002 less than this car
2021 GMC Sierra 1500 AT4139,800 miles · Valley VIP Auto Sales · Spokane Valley, WA · 822 mi away$22,995$14,904 less than this car
2021 GMC Sierra 1500 AT485,426 miles · Houston Auto Credit · Houston, TX · 876 mi away$39,999$2,100 more than this car
2021 GMC Sierra 1500 AT4138,824 miles · Cruisin' Auto Sales · Madison, IN · 1,052 mi away$30,900$6,999 less than this car
2021 GMC Sierra 1500 AT4132,751 miles · Harrison Auto Sales · Irwin, PA · 1,336 mi away$28,999$8,900 less than this car
2021 GMC Sierra 1500 AT4135,548 miles · Palermo Motors · Hollywood, FL · 1,715 mi away$25,899$12,000 less than this carAll years and trims. Nearest first.
Truck Kings · Denver, CO · 0 mi away
STS Automotive Denver · Denver, CO · 0 mi away
Lion's Auto INC · Denver, CO · 0 mi away
Lion's Auto INC · Denver, CO · 0 mi away
Padas Auto Sales LLC · Denver, CO · 0 mi away
Truck Kings · Denver, CO · 0 mi away
STS Automotive Denver · Denver, CO · 0 mi away
Platinum Motors Co · Denver, CO · 0 mi away
2020 GMC Sierra 3500HD 4WD Crew Cab 159" Denali73,393 miles · Truck Kings · Denver, CO · 0 mi away$57,995
2020 GMC Sierra 150067,889 miles · STS Automotive Denver · Denver, CO · 0 mi away$18,980
2020 GMC Sierra 1500 Denali74,291 miles · Lion's Auto INC · Denver, CO · 0 mi away$38,899
2020 GMC Sierra 1500 SLT120,951 miles · Lion's Auto INC · Denver, CO · 0 mi away$29,899
2020 GMC Sierra 2500HD 4WD Crew Cab Standard Bed Denali126,439 miles · Padas Auto Sales LLC · Denver, CO · 0 mi away$45,900
2019 GMC Sierra 1500 4WD Double Cab 147" SLT88,679 miles · Truck Kings · Denver, CO · 0 mi away$29,995
2023 GMC Sierra 150058,211 miles · STS Automotive Denver · Denver, CO · 0 mi away$17,980
2023 GMC Sierra 1500106,904 miles · Platinum Motors Co · Denver, CO · 0 mi away$31,499