Used 2021 Gmc Sierra 1500 in Longmont, CO For Sale (10 results)
Sort by:
Refine search
Sort by:
Year
Zip
Price
-
(10)under $50,000
Mileage
-
(8)0 - 50000
-
(2)50000 - 100000
Make
-
GMC
Model
-
Sierra 1500
-
(3)Canyon
-
(2)Savana
-
(2)Yukon
-
(1)Acadia
Trim
-
(5)at4
-
(1)denali
-
(1)elevation
-
(1)sle
Transmission type
-
(10)automatic
Color
-
(4)Black
-
(1)Red
-
(1)White
Drive
-
(7)4wd
-
(1)awd
Fuel
-
(7)gasoline
-
(3)diesel
State
City
Features
-
(2)Automatic temperature control
-
(2)Compass
-
(1)Air conditioning
-
(1)Door locks power
-
(1)Power moonroof
-
(1)Remote start
2021 gmc sierra 1500 elevation
Discover the 2021 GMC Sierra 1500 Elevation, a hard-to-find turbo diesel truck featuring four-wheel drive and striking 20-inch gloss black wheels. This mechanically inspected vehicle promises quality and performance
Longmont, CO
48,257 mi.
Satin steel metallic
automatic
diesel
Longmont, CO
$39,389
$8,386 below
average
2021 gmc sierra 1500 at4
Check out this clean 2021 GMC Sierra 1500 AT4 in Onyx Black! With low mileage and a powerful 6.2L V8 engine, it offers an impressive blend of comfort and capability with features like heated seating and advanced trailering options
Longmont, CO
49,637 mi.
Black
automatic
gasoline
Longmont, CO
$48,775
$1,000 above
average
2021 gmc sierra 1500 at4
Experience the power and luxury of the 2021 GMC Sierra 1500 AT4, featuring a robust EcoTec3 6.2L V8 engine, leather interior, and advanced technology like a rear backup camera and heated/cooled seats
![]()
4d crew cab
Longmont, CO
32,343 mi.
Black
4d crew cab
automatic
gasoline
Longmont, CO
$48,058
$283 above
average
2021 gmc sierra 1500 sle
Check out this one-owner 2021 GMC Sierra 1500 SLE in stunning Summit White. It features a powerful EcoTec3 5.3L V8 with a smooth 10-speed automatic transmission and is equipped for family outings with ample interior space and comfort
![]()
4d crew cab
Longmont, CO
95,121 mi.
White
4d crew cab
automatic
gasoline
Longmont, CO
$31,776
$15,999 below
average
2021 GMC Sierra 1500
This 2021 GMC Sierra 1500 comes equipped with an automatic transmission and is ready for any adventure thanks to its 4WD capability
Longmont, CO
automatic
gasoline
Longmont, CO
$30,376
$17,399 below
average
2021 gmc sierra 1500 at4
This 2021 GMC Sierra 1500 AT4 in Cayenne Red Tintcoat features a robust 6.2L V8 engine, four-wheel drive capabilities, and luxurious leather seating with Kalahari accents. It's equipped with modern technology like Apple CarPlay and Android Auto for a connected drive
Longmont, CO
36,270 mi.
Red
automatic
gasoline
Longmont, CO
$47,275
$500 below
average
2021 gmc sierra 1500 at4
This 2021 GMC Sierra 1500 AT4 comes in striking Onyx Black with a luxurious Jet Black interior featuring Kalahari accents. With just under 44,000 miles and a clean CARFAX, it's a robust choice for those seeking style and power
Longmont, CO
43,385 mi.
Black
automatic
gasoline
Longmont, CO
$47,775
$0 above
average
2021 gmc sierra 1500 at4
This 2021 GMC Sierra 1500 AT4 features powerful diesel fuel, an automatic transmission, and four-wheel drive, coupled with a stylish Jet Black interior accented with Kalahari colors. It has low mileage and is ready for any adventure
Longmont, CO
25,801 mi.
Notdoor
automatic
diesel
Longmont, CO
$48,275
$500 above
average
2021 gmc sierra 1500 denali
This gorgeous 2021 GMC Sierra 1500 Denali features a powerful 3.0 Duramax diesel engine, delivering impressive fuel efficiency of 32 MPG. With a luxurious Ultimate Package, enjoy 22-inch wheels, a power moonroof, and advanced safety features
Longmont, CO
54,775 mi.
Black
automatic
diesel
Longmont, CO
$47,999
$224 above
average
2021 GMC Sierra 1500
This 2021 GMC Sierra 1500 comes equipped with 4WD and an automatic transmission, perfect for tackling tough terrains with style and confidence
Longmont, CO
automatic
gasoline
Longmont, CO
$47,117
$658 below
average