Used 2021 Gmc Sierra Slt For Sale (26 results)
Sort by:
Refine search
Sort by:
Year
Zip
Price
-
(13)under $40,000
-
(19)under $50,000
Mileage
-
(11)0 - 50000
-
(12)50000 - 100000
-
(2)100000 - 150000
-
(1)150000 - 200000
Make
-
GMC
Model
Trim
-
(405)2500
-
(265)denali
-
(163)3500
-
(62)at4
-
slt
-
(4)elevation
-
(4)sle
-
(1)2500 at4
-
(1)3500hd sle
-
(1)base
-
(1)denali ultimate
-
(1)denali ultimate package
-
(1)double cab
Transmission type
-
(25)automatic
Color
-
(9)White
-
(5)Black
-
(1)Brown
Body
-
(13)
![]()
Pickup truck -
(3)
![]()
Crew cab
Drive
-
(16)4wd
-
(1)rwd
Fuel
-
(13)diesel
-
(12)gasoline
State
-
(2)Florida
-
(1)Arizona
-
(1)Indiana
-
(1)Iowa
-
(1)Louisiana
-
(1)Maine
-
(1)Michigan
-
(1)Missouri
-
(1)New york
-
(1)Oregon
-
(1)Tennessee
-
(1)Utah
City
-
(2)Miami, FL
-
(1)Belle Center, MO
-
(1)Brooklyn, NY
-
(1)Eldridge, IA
-
(1)Gilbert, AZ
-
(1)Gonzales, LA
-
(1)Martin, TN
-
(1)Newport, OR
-
(1)Perry, MI
-
(1)Princeton, IN
-
(1)Tremonton, UT
-
(1)Westbrook, ME
Features
-
(10)Backup camera
-
(10)Cruise control
-
(9)Air conditioning
-
(9)Power locks
-
(8)Bucket seats
-
(8)Remote start
-
(7)Aluminum wheels
-
(7)Bluetooth
-
(7)Power windows
-
(6)Leather seats
-
(5)Heated seats
-
(5)Heated steering wheel
-
(4)AM/FM radio
-
(4)Climate control
-
(3)Alloy wheels
-
(3)CD player
-
(3)Cruise control: Adaptive
-
(3)Power mirrors
-
(3)Remote keyless entry
-
(3)Seat-memory
-
(3)Sunroof/Moonroof
-
(2)Android auto
-
(2)Dual exhaust
-
(2)Keyless entry
-
(1)ABS brakes
-
(1)Apple CarPlay
-
(1)Clean Carfax
-
(1)Navigation system
-
(1)Power driver seat
-
(1)Power passenger seat
2021 gmc sierra 1500 slt
Experience power and efficiency with this 2021 GMC Sierra 1500 SLT. It features a DURAMAX 3.0L TURBO-DIESEL engine, 10-speed transmission, and luxurious amenities like a power sunroof and Bose sound system
![]()
Pickup truck
35,867 mi.
Black
Pickup truck
automatic
diesel
$34,256
$6,744 below
average
2021 gmc sierra 1500 slt
This 2021 GMC Sierra 1500 SLT in Summit White is a one-owner truck boasting a powerful 3.0L I6 engine and a 10-speed automatic transmission, equipped with ventilated front seats and a premium trailer package for perfect towing capabilities
![]()
Pickup truck
90,008 mi.
White
Pickup truck
automatic
diesel
$30,800
$10,200 below
average
2021 gmc sierra 1500 slt
Experience the power of this 2021 GMC Sierra 1500 SLT, featuring a stunning Summit White exterior and a meticulously clean interior. Enjoy luxurious heated and cooled leather seats and an impressive off-road package
![]()
Pickup truck
38,755 mi.
White
Pickup truck
automatic
gasoline
$34,080
$6,920 below
average
2021 gmc sierra 1500 slt
This 2021 GMC Sierra 1500 SLT is a one-owner truck with a powerful 6.2 V8 engine, 4x4 capability, and loaded with features like heated leather seats and a towing package. Don't miss out on this amazing deal!
![]()
Pickup truck
68,719 mi.
Ebony twilight metallic
Pickup truck
automatic
gasoline
$31,996
$9,004 below
average
2021 gmc sierra 1500 slt
Explore this impressive 2021 GMC Sierra 1500 SLT, a certified one-owner pickup truck with low mileage, advanced safety features, and plush heated/cooled leather interior for ultimate comfort
![]()
Pickup truck
26,308 mi.
Black
Pickup truck
automatic
diesel
$36,474
$4,526 below
average
2021 gmc sierra 1500 slt
Experience the power of the 2021 GMC Sierra 1500 SLT with its robust EcoTec3 5.3L V8 engine, luxurious heated/cooled leather seats, and modern tech features like Apple CarPlay and a backup camera
![]()
Pickup truck
57,279 mi.
Satin steel metallic
Pickup truck
automatic
gasoline
$30,173
$10,827 below
average
2021 gmc sierra 1500 slt
This 2021 GMC Sierra 1500 SLT is a powerful pickup with a clean CARFAX, featuring a 5.3L V8 engine, 20" aluminum wheels, and advanced safety technology including Adaptive Cruise Control and Lane Keep Assist
![]()
Pickup truck
33,722 mi.
Dark sky metallic
Pickup truck
automatic
gasoline
$35,196
$5,804 below
average
2021 gmc sierra 1500 slt
This 2021 GMC Sierra 1500 SLT in Quicksilver Metallic comes with a clean Carfax and is Ben Davis Certified with a FREE WARRANTY. It boasts features like a power sunroof, heated seats, and advanced trailering technology
![]()
Pickup truck
63,779 mi.
Quicksilver metallic
Pickup truck
automatic
gasoline
$30,866
$10,134 below
average
2021 gmc sierra 3500 slt
This pre-owned 2021 GMC Sierra 3500HD SLT is perfect for those seeking luxury and capability with its 4WD and well-appointed interior. A powerful companion for both city and off-road
Newport, OR
78,547 mi.
Quicksilver metallic
automatic
diesel
Newport, OR
$53,995
$12,995 above
average
2021 gmc sierra 3500 slt
This 2021 GMC Sierra 3500 SLT Crew Cab boasts a powerful 6.6L Duramax Turbo Diesel engine, advanced features like navigation, heated and cooled seats, plus a comprehensive tow package. A perfect blend of luxury and capability
![]()
Crew cab
Perry, MI
162,212 mi.
Black
Crew cab
automatic
diesel
Perry, MI
$42,500
$1,500 above
average
2021 gmc sierra 2500 slt
This 2021 GMC Sierra 2500 SLT is a certified beauty with low mileage and a powerful Duramax diesel engine. Enjoy advanced features like a Wi-Fi hotspot, premium audio system, and impressive all-weather floor liners
Westbrook, ME
31,358 mi.
White
automatic
diesel
Westbrook, ME
$59,900
$18,900 above
average
2021 gmc sierra 2500 slt
Experience the rugged power of this 2021 GMC Sierra 2500 SLT, featuring a Turbocharged Diesel V8 engine, four-wheel drive, and an impressive array of packages for off-road adventures and premium comfort
Princeton, IN
92,253 mi.
White
automatic
diesel
Princeton, IN
$49,150
$8,150 above
average
2021 gmc sierra 2500 slt
This 2021 GMC Sierra 2500 SLT in Summit White combines style with performance, achieving impressive highway fuel mileage for a heavy-duty truck. You’ll be sure to turn heads wherever you go!
Martin, TN
86,507 mi.
White
automatic
diesel
Martin, TN
$52,990
$11,990 above
average
2021 gmc sierra 2500 slt
This 2021 GMC Sierra 2500 SLT is a luxurious four-wheel drive truck, featuring high-end leather seating, advanced safety features including a backup camera and cross-traffic alert, and convenient amenities like Bluetooth connectivity and heated steering wheel
Tremonton, UT
106,001 mi.
Quicksilver metallic
automatic
gasoline
Tremonton, UT
$41,000
$0 above
average
2021 gmc sierra 2500 slt
Experience the power and comfort of this 2021 GMC Sierra 2500 SLT. With a stunning Quicksilver Metallic exterior and Jet Black interior, it offers excellent fuel mileage for a heavy-duty truck!
Eldridge, IA
27,288 mi.
Quicksilver metallic
automatic
gasoline
Eldridge, IA
$48,950
$7,950 above
average
2021 gmc sierra 1500 slt
This 2021 GMC Sierra 1500 SLT in Dark Sky Metallic features an EcoTec3 5.3L V8 engine, leather seats, and a range of luxury features including heated/cooled seats and advanced safety technologies
![]()
Pickup truck
38,932 mi.
Dark sky metallic
Pickup truck
automatic
gasoline
$33,160
$7,840 below
average
2021 gmc sierra 2500 slt
Experience the power and luxury of the 2021 GMC Sierra 2500HD SLT, featuring a robust 6.6L V8 engine and a lavish interior. This truck is ready for any challenge while providing unmatched comfort
Miami, FL
109,549 mi.
Brown
automatic
diesel
Miami, FL
$46,799
$5,799 above
average
2021 gmc sierra 1500 slt
This 2021 GMC Sierra 1500 SLT is a 1-owner vehicle featuring a powerful 6.2 V8 engine, towing package, and luxurious heated leather seats. Equipped with modern conveniences like backup camera and remote start, this truck is ready for any adventure!
![]()
Pickup truck
54,526 mi.
Quicksilver metallic
Pickup truck
automatic
gasoline
$31,996
$9,004 below
average
2021 gmc sierra 1500 slt
Discover the 2021 GMC Sierra 1500 SLT, featuring luxurious leather seats, heated and cooled options, a backup camera, and premium audio. Its 4WD capabilities and powerful engine make it perfect for any adventure
![]()
Pickup truck
85,123 mi.
White
Pickup truck
automatic
gasoline
$34,310
$6,690 below
average
2021 gmc sierra 2500 slt
Discover the powerful 2021 GMC Sierra 2500 SLT in Onyx Black, featuring a spacious Crew Cab, advanced 10-Speed Automatic transmission, and luxurious Jet Black leather interior
![]()
Crew cab
Miami, FL
36,615 mi.
Black
Crew cab
automatic
diesel
Miami, FL
$52,990
$11,990 above
average
- 1
- 2