2021 GMC Sierra 3500

Showing 1.00 - 24.00 of 67.00 results

Filter Results

2021 GMC Sierra 3500HD Denali
4x4 Denali 4dr Crew Cab SB SRW
^$53,995 ^$802/mo*
95,499
miles
Engine:
Duramax 6.6L Biodiesel Turbo V8 445hp 910ft. lbs.
Drivetrain:
4X4
Days Listed
2
Price
$5,136 below avg.
Mileage
37,128 miles below avg.
Features: Navigation, Bluetooth, Parking Sensors, Power Seats, Automatic Climate Control, Diesel, Fully Loaded, Low Price, Chrome, Daytime Running Lights, CD, Airbag, Center Console, Cruise Control, ABS
Sioux Falls, SD
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
Fleet/Base
^$44,970
^$49,995
^$668/mo*
6,896
miles
Engine:
V8, 6.6L
Drivetrain:
4X4
Days Listed
90+
Price
$6,403 below avg.
Mileage
131,593 miles below avg.
Features: Low Miles, Apple Carplay, Android Auto, Bluetooth, Power Seats, Low Price, Keyless Entry, Chrome, Electronic Stability Control, On-Star, Daytime Running Lights, Steering Wheel Controls, CD, Airbag, Cruise Control, ABS
Yuba City, CA
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
Denali
^$63,923 ^$950/mo*
23,236
miles
Engine:
V8, 6.6L
Drivetrain:
4X4
Days Listed
90+
Mileage
115,253 miles below avg.
Features: Low Miles, Diesel
Gillette, WY
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
Denali Pickup 4D 8 ft
^$53,999
^$54,000
^$802/mo*
33,185
miles
Engine:
V8, Turbo Diesel, 6.6 Liter
Drivetrain:
4X4
Days Listed
24
Mileage
105,304 miles below avg.
Features: Low Miles, Navigation, Remote Start, Ventilated Seats, Bluetooth, Power Seats, Alloy Wheels, Diesel, Keyless Entry, Like New, Very Clean, Well Maintained, Chrome, Traction Control, On-Star, Daytime Running Lights, CD, Airbag, Power Windows, Cruise Control
Video Walkarounds
Dallas, TX
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
Denali
^$59,999 ^$892/mo*
46,346
miles
Engine:
Duramax 6.6L V8 Turbodiesel
Drivetrain:
4X4
Days Listed
61
Mileage
92,143 miles below avg.
Features: Low Miles, Navigation, Sunroof, Apple Carplay, Android Auto, Power Seats, Alloy Wheels, Diesel, Keyless Entry, Chrome, Traction Control, Electronic Stability Control, On-Star, Steering Wheel Controls, CD, Airbag, Center Console, Front Bucket seats, Power Windows, ABS
Warrenton, VA
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
AT4
^$51,500 ^$765/mo*
34,319
miles
Engine:
Duramax 6.6L V8 Turbodiesel
Drivetrain:
4X4
Days Listed
32
Mileage
104,170 miles below avg.
Features: Low Miles, Navigation, Sunroof, Apple Carplay, Android Auto, Warranty, Power Seats, Diesel, Low Price, Keyless Entry, Chrome, Traction Control, Electronic Stability Control, On-Star, Steering Wheel Controls, CD, Airbag, Center Console, Front Bucket seats, Power Windows
Windsor, CO
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD Denali
4x4 Denali 4dr Crew Cab SB SRW
^$67,950 ^$1,010/mo*
22,164
miles
Engine:
6.6L V8 Turbocharger
Drivetrain:
4X4
Days Listed
82
Mileage
110,463 miles below avg.
Features: Low Miles, Power Seats, Automatic Climate Control, Diesel, Chrome, Traction Control, On-Star, Steering Wheel Controls, CD, Center Console, Power Windows, Cruise Control, ABS
Bellingham, WA
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
^$52,895 ^$786/mo*
31,904
miles
Engine:
Duramax 6.6L Turbo-Diesel V8 B20-Diesel Compatible Engine
Drivetrain:
4X4
Days Listed
0
Mileage
106,585 miles below avg.
Features: Low Miles, Apple Carplay, Android Auto, Bluetooth, Chrome, CD, ABS
Coatesville, PA
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
^$47,813 ^$711/mo*
56,788
miles
Engine:
6.6L V8
Drivetrain:
4X4
Days Listed
7
Price
$3,560 below avg.
Mileage
81,701 miles below avg.
Features: Low Miles, One Owner, Apple Carplay, Android Auto, Low Price, Keyless Entry, Chrome, Traction Control, Electronic Stability Control, On-Star, CD, Airbag, Cruise Control, ABS
Burton, OH
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
4WD Crew Cab Standard Bed Denali | 4WD Crew Cab Lo
^$55,997 ^$832/mo*
69,371
miles
Engine:
Duramax 6.6L V-8 diesel direct injection
Drivetrain:
4X4
Days Listed
18
Mileage
69,118 miles below avg.
Features: Low Miles, Navigation, Power Seats, Alloy Wheels, Diesel, Keyless Entry, Well Maintained, Chrome Wheels, Chrome, Traction Control, Daytime Running Lights, Steering Wheel Controls, CD, Airbag, Power Windows, ABS
La Crosse, WI
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
SLT
^$48,047 ^$714/mo*
97,779
miles
Engine:
6.6L
Drivetrain:
4X4
Days Listed
67
Price
$3,326 below avg.
Mileage
40,710 miles below avg.
Features: Low Miles, Leather Seats, Apple Carplay, Android Auto, Bluetooth, Power Seats, Aluminum Wheels, Low Price, Keyless Entry, Chrome, Traction Control, SiriusXM, Daytime Running Lights, Heated Mirrors, Steering Wheel Controls, MP3, CD, Airbag, Power Windows, Cruise Control
Twin Falls, ID
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
SLE
^$46,995 ^$698/mo*
82,501
miles
Engine:
Duramax 6.6L V8 Turbodiesel
Drivetrain:
4X4
Days Listed
68
Price
$4,378 below avg.
Mileage
55,988 miles below avg.
Features: Low Miles, Apple Carplay, Android Auto, Diesel, Low Price, Keyless Entry, Chrome, Traction Control, Electronic Stability Control, On-Star, Steering Wheel Controls, CD, Airbag, Power Windows, ABS
Video Walkarounds
Pleasant Grove, UT
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD Denali
4x4 Denali 4dr Crew Cab SB SRW
^$67,950 ^$1,010/mo*
28,113
miles
Engine:
6.6L V8 Turbocharger
Drivetrain:
4X4
Days Listed
71
Mileage
104,514 miles below avg.
Features: Low Miles, Power Seats, Automatic Climate Control, Diesel, Chrome, Traction Control, On-Star, Steering Wheel Controls, CD, Center Console, Power Windows, Cruise Control, ABS
Bellingham, WA
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
Denali
^$63,636 ^$946/mo*
43,666
miles
Engine:
Duramax 6.6L V8 Turbodiesel
Drivetrain:
4X4
Days Listed
22
Mileage
94,823 miles below avg.
Features: Low Miles, Navigation, Sunroof, One Owner, Apple Carplay, Android Auto, Power Seats, Diesel, Keyless Entry, Chrome, Traction Control, On-Star, Steering Wheel Controls, CD, Airbag, Center Console, Power Windows
Grants Pass, OR
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
^$57,995 ^$862/mo*
24,608
miles
Engine:
Duramax 6.6L Biodiesel Turbo V8 445hp 910ft. lbs.
Drivetrain:
4X4
Days Listed
90+
Mileage
113,881 miles below avg.
Features: Low Miles, One Owner, Diesel
Avon Park, FL
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
SLE
^$39,995 ^$594/mo*
39,440
miles
Engine:
6.6L V8
Drivetrain:
4X4
Days Listed
34
Price
$11,378 below avg.
Mileage
99,049 miles below avg.
Features: Low Miles, Heated Seats, Apple Carplay, Android Auto, Tow Package, Power Seats, Automatic Climate Control, Alloy Wheels, Aluminum Wheels, Low Price, Keyless Entry, Chrome, Traction Control, Electronic Stability Control, On-Star, Steering Wheel Controls, CD, Airbag, Power Windows, ABS
Fontana, CA
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
^$44,800 ^$666/mo*
51,231
miles
Engine:
6.6L V8
Drivetrain:
4X4
Days Listed
2
Price
$6,573 below avg.
Mileage
87,258 miles below avg.
Features: Low Miles, One Owner, Apple Carplay, Android Auto, Warranty, Power Seats, Low Price, Keyless Entry, Chrome, Traction Control, Electronic Stability Control, CD, Airbag, Power Windows, Cruise Control, ABS
Video Walkarounds
Driveway Delivery
Virtual Financing
Columbia, KY
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
SLE Pickup 4D 6 1/2 ft
^$44,999 ^$669/mo*
95,399
miles
Engine:
V8, Turbo Diesel, 6.6 Liter
Drivetrain:
4X4
Days Listed
21
Price
$6,374 below avg.
Mileage
43,090 miles below avg.
Features: Low Miles, Remote Start, Bluetooth, Alloy Wheels, Diesel, Low Price, Keyless Entry, Chrome, Traction Control, On-Star, Daytime Running Lights, CD, Airbag, Power Windows, Cruise Control, ABS
Blair, NE
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
SLT Pickup 4D 8 ft
^$40,995 ^$609/mo*
69,180
miles
Engine:
Duramax 6.6L Biodiesel Turbo V8 445hp 910ft. lbs.
Drivetrain:
4X4
Days Listed
90+
Price
$10,378 below avg.
Mileage
69,309 miles below avg.
Features: Low Miles, Remote Start, Warranty, Diesel, Low Price
Federal Way, WA
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD SLT
4x4 SLT 4dr Crew Cab LB SRW
^$42,900 ^$638/mo*
96,834
miles
Engine:
6.6L V8 401hp 464ft. lbs.
Drivetrain:
4X4
Days Listed
10
Mileage
Avg. Mileage Unavailable
Features: Low Miles, One Owner, Apple Carplay, Android Auto, Power Seats, Automatic Climate Control, Low Price, Very Clean, Chrome, Traction Control, On-Star, Steering Wheel Controls, CD, Power Windows, Cruise Control, ABS
Video Walkarounds
Driveway Delivery
Virtual Financing
Locust Grove, VA
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
Denali
^$54,997 ^$817/mo*
60,845
miles
Engine:
8 Cylinder Engine
Drivetrain:
4X4
Days Listed
26
Mileage
77,644 miles below avg.
Features: Low Miles, One Owner, Chrome, On-Star, CD
Winter Park, FL
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD AT4
4x4 AT4 4dr Crew Cab SB SRW
^$49,990
^$52,990
^$743/mo*
42,420
miles
Engine:
Duramax 6.6L Biodiesel Turbo V8 445hp 910ft. lbs.
Drivetrain:
4X4
Days Listed
15
Mileage
Avg. Mileage Unavailable
Features: Low Miles, Power Seats, Automatic Climate Control, Diesel, Chrome, Traction Control, On-Star, Steering Wheel Controls, CD, Center Console, Power Windows, Cruise Control, ABS
Cleveland, OH
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
Denali
^$61,990 ^$921/mo*
43,820
miles
Engine:
Duramax 6.6L V8 Turbodiesel
Drivetrain:
4X4
Days Listed
40
Mileage
94,669 miles below avg.
Features: Low Miles, Navigation, Sunroof, Apple Carplay, Android Auto, Power Seats, Alloy Wheels, Diesel, Keyless Entry, Chrome, Traction Control, Electronic Stability Control, On-Star, Steering Wheel Controls, CD, Airbag, Center Console, Front Bucket seats, Power Windows, ABS
Yankton, SD
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.
2021 GMC Sierra 3500HD
SLE
^$48,815 ^$725/mo*
78,610
miles
Engine:
6.6L V8
Drivetrain:
4X4
Days Listed
71
Price
$2,558 below avg.
Mileage
59,879 miles below avg.
Features: Low Miles, Low Price, Reliable
Puyallup, WA
Call
Carsforsale.com may record phone calls for business purposes, by calling you agree to Carsforsale.com's Terms and Conditions of Use and Privacy Policy.

Dealers - learn how to list your inventory on Carsforsale.com^®

2021 GMC Sierra 3500 Overview

The 2021 GMC Sierra 3500 is a formidable heavy-duty truck, offering a wealth of power and capability. Its 6.6-liter V8 engine generates 401 horsepower, coupled with a six-speed automatic transmission. There's also an option for a 6.6-liter Duramax turbodiesel V8 with 445 horsepower and a whopping 910 lb-ft of torque, mated to a 10-speed automatic. The 3500 comes in four trims: SLE, SLT, AT4, and Denali. The Denali trim, known for its luxurious finishes, offers an available 15' Diagonal Head-Up Display with Off-Road Inclinometer. The Sierra 3500 also boasts of an impressive suite of safety features, including Lane Change Alert with Side Blind Zone Alert, Rear Cross Traffic Alert, and Forward Collision Alert. The truck is equipped with a competitive infotainment system that features a 7-inch touchscreen, with an option for an 8-inch, and supports Apple CarPlay and Android Auto.

Why Shop With Carsforsale.com?

For over 26 years, Carsforsale.com has been a national online marketplace dedicated to making your car-buying experience better, faster, and more fun! Nearly 100 million car shoppers trust us each year to connect them with 22,500 trusted, verified auto dealers across the nation. Every one of our millions of listed vehicles has a FREE Vehicle History Report, and our pricing tools provide the details you need to make the best deal possible. For two years in a row, car shoppers named Cars For Sale a top brand in customer service in Newsweek’s annual ranking. At Cars For Sale, we believe your search should be as fun as the drive, so you can start shopping millions and find yours today!

2021 GMC Sierra 3500 For Sale