3,054 Used 2020 GMC Sierra for Sale
Save search
Dealer partner2020 GMC Sierra
4WD Crew Cab Short Box Denali•81,890 mi•
1GTU9FEL8LZ105429
$40,880
Morehead City, NC•Morehead Motor Co Service Center
Dealer partner2020 GMC Sierra
4WD Crew Cab Standard Box•190,292 mi•
1GD49SEY1LF276976
$29,245
Dawsonville, GA•Billy Ballew Motorsports
New listing
2020 GMC Sierra
Base 4WD Crew Cab Short Box•81,214 mi•
1GTP9AEK1LZ263182
$27,995
Elgin, IL•Mundo Autos Inc
2020 GMC Sierra
4WD Crew Cab Standard Box Denali•107,337 mi•
1GTU9FED0LZ106597
$30,995
Berwyn, IL•Jba Auto Sales Inc
2020 GMC Sierra
4WD Crew Cab Standard Box Denali•163,702 mi•
1GT49REY9LF315164
$41,495
Fredericksburg, VA•Eag Motor Sports Llc
2020 GMC Sierra
4WD Crew Cab Short Box SLT•112,908 mi•
3GTU9DET9LG430367
$30,999
Marshall, MN•Marshall Auto Exchange
2020 GMC Sierra
4WD Crew Cab Short Box AT4•43,208 mi•
3GTP9EELXLG281986
$52,998
Plano, TX•Hi Line Motors
2020 GMC Sierra
4WD Crew Cab Standard Box AT4•84,136 mi•
1GT49PEY5LF174582
$39,975
Saint Paul, MN•Ados Motors Motors
2020 GMC Sierra
Elevation 4WD Crew Cab Short Box•66,099 mi•
1GTU9CET9LZ217607
$36,625
Lehi, UT•Utah Truck Country Llc
2020 GMC Sierra
4WD Crew Cab Short Box SLT•48,457 mi•
3GTU9DED0LG455053
$45,995
Ventura, CA•Auto Max Of Ventura
2020 GMC Sierra
4WD Crew Cab Short Box AT4•146,852 mi•
3GTP9EEDXLG128730
$27,576
Stafford, VA•Timeless Motorcars
2020 GMC Sierra
2WD Regular Cab Long Box•121,842 mi•
3GTN8AEHXLG195270
$11,900
San Antonio, TX•Wrays Auto Sales And Mechanics Llc
2020 GMC Sierra
4WD Crew Cab Short Box SLT•116,108 mi•
3GTU9DED4LG181601
$27,995
Carlstadt, NJ•101 Motors
2020 GMC Sierra
4WD Crew Cab Standard Box Denali•84,220 mi•
1GT49RE77LF325912
$47,695
Manassas, VA•Car Town Inc
2020 GMC Sierra
4WD Crew Cab Standard Box Denali•53,836 mi•
1GT49WE71LF280822
$49,990
Millcreek, UT•Find Auto Llc
2020 GMC Sierra
4WD Crew Cab Short Box Denali•86,769 mi•
3GTU9FED8LG304005
$37,528
Madison, NC•Smart Chevrolet
2020 GMC Sierra
4WD Crew Cab Short Box SLT•68,860 mi•
3GTU9DED1LG349498
$36,999
Elgin, IL•Your Choice Autos Elgin
2020 GMC Sierra
Elevation 4WD Crew Cab Standard Box•51,319 mi•
1GTU9CET5LZ218043
$33,779
Northlake, IL•Knb Motors
2020 GMC Sierra
4WD Crew Cab Short Box SLT•59,112 mi•
1GTU9DED3LZ337062
$29,899
Lincoln, NE•The Internet Car Lot Lincoln
2020 GMC Sierra
4WD Crew Cab Short Box AT4•145,200 mi•
3GTP9EEL6LG165605
$27,995
Darlington, SC•Jpw Motors Llc%3Amax_bytes(500000)%3Aquality(100)%3Afill(blur)%3Asharpen(0.7%2C0.5%2Ctrue)%3Aformat(jpg)%2F104842%2F11924237%2F725451779481976.jpg?t=b44b42661d4949826354350336a5f81be67d0aea82f298cfce8983045bcd63f2&w=3840&q=50)
2020 GMC Sierra
2WD Crew Cab Short Box SLT•141,800 mi•
3GTU8DEDXLG188698
$23,299
San Antonio, TX•Rams Motors Llc
2020 GMC Sierra
4WD Crew Cab Short Box SLE•110,537 mi•
3GTP9BEK2LG317174
$23,999
Mundelein, IL•Northwest Motors Inc
2020 GMC Sierra
4WD Crew Cab Standard Box SLE•119,716 mi•
3GTU9BED0LG148258
$25,988
Berwyn, IL•I Drive Motor Sports
2020 GMC Sierra
4WD Crew Cab Standard Box Denali•98,545 mi•
1GT49REY0LF281969
$47,505
Dawsonville, GA•Billy Ballew Motorsports
2020 GMC Sierra
4WD Crew Cab Short Box SLT•141,134 mi•
1GTU9DED2LZ191799
$26,122
Joliet, IL•Your Choice Autos Joliet
2020 GMC Sierra
2WD Crew Cab Short Box SLT•126,885 mi•
3GTP8DED0LG287480
$26,399
San Marcos, TX•San Marcos Auto Center
2020 GMC Sierra
2WD Crew Cab Short Box SLT•104,079 mi•
3GTP8DED0LG180686
$25,900
Houston, TX•Sams Auto Sales
2020 GMC Sierra
4WD Crew Cab Standard Box Denali•95,287 mi•
1GTU9FET2LZ112165
$38,795
Jacksonville, FL•Driveline Llc
2020 GMC Sierra
4WD Regular Cab Long Box•105,116 mi•
3GTN9AEFXLG110844
$18,999
Leesburg, VA•Dotcom Auto
2020 GMC Sierra
4WD Crew Cab Short Box AT4•47,678 mi•
1GTU9EET4LZ231295
$47,995
Ticonderoga, NY•Ti Automotive Llc2020 GMC Sierra overview
Shop 3,054 used 2020 GMC Sierra listings for sale nationwide, priced from $11,900 to $83,434 across 2,448 dealerships. The median asking price is $35,471, with an average mileage of 94,624 miles. Texas has the most used 2020 GMC Sierra listings at 310, followed by Florida and Michigan.
Used GMC Sierra by model year
- 2026 GMC Sierra for sale3,214 listings
- 2025 GMC Sierra for sale6,294 listings
- 2024 GMC Sierra for sale9,688 listings
- 2023 GMC Sierra for sale6,076 listings
- 2022 GMC Sierra for sale4,135 listings
- 2021 GMC Sierra for sale4,229 listings
- 2019 GMC Sierra for sale2,209 listings
- 2018 GMC Sierra for sale2,218 listings
- 2017 GMC Sierra for sale1,665 listings
- 2016 GMC Sierra for sale1,184 listings
- 2015 GMC Sierra for sale1,655 listings
- 2014 GMC Sierra for sale1,070 listings
- 2013 GMC Sierra for sale622 listings
- 2012 GMC Sierra for sale384 listings
- 2011 GMC Sierra for sale440 listings
- 2010 GMC Sierra for sale142 listings
- 2009 GMC Sierra for sale183 listings
- 2008 GMC Sierra for sale219 listings
- 2007 GMC Sierra for sale243 listings
- 2006 GMC Sierra for sale111 listings
- 2005 GMC Sierra for sale124 listings
- 2004 GMC Sierra for sale108 listings
- 2003 GMC Sierra for sale79 listings
- 2002 GMC Sierra for sale64 listings
- 2001 GMC Sierra for sale69 listings
- 2000 GMC Sierra for sale35 listings
- 1999 GMC Sierra for sale24 listings
- 1998 GMC Sierra for sale24 listings
- 1997 GMC Sierra for sale24 listings
- 1996 GMC Sierra for sale17 listings
- 1995 GMC Sierra for sale29 listings
- 1994 GMC Sierra for sale15 listings
- 1993 GMC Sierra for sale10 listings
- 1992 GMC Sierra for sale8 listings
- 1991 GMC Sierra for sale9 listings
- 1990 GMC Sierra for sale9 listings
- 1989 GMC Sierra for sale17 listings
- 1988 GMC Sierra for sale9 listings
- 1987 GMC Sierra for sale4 listings
- 1986 GMC Sierra for sale4 listings
- 1985 GMC Sierra for sale2 listings
- 1984 GMC Sierra for sale1 listing
- 1982 GMC Sierra for sale2 listings
About 2020 GMC Sierra
Frequently Asked Questions
How many used 2020 GMC Sierra listings are for sale?
There are 3,054 used 2020 GMC Sierra listings for sale from 2,448 dealerships nationwide, priced from $11,900 to $83,434.
How much does a used 2020 GMC Sierra cost?
The median asking price for a used 2020 GMC Sierra is $35,471. Listings range from $11,900 to $83,434. The average mileage is 94,624 miles.
What is the cheapest used 2020 GMC Sierra for sale?
The lowest-priced listing is a 2020 GMC Sierra 2WD Regular Cab Long Box at $11,900 with 121,842 miles in San Antonio, TX.
What trim levels are available for the 2020 GMC Sierra?
The 2020 GMC Sierra is available in the following trim levels:
- 2020 GMC Sierra 4WD Crew Cab Short Box SLT for sale570 listings
- 2020 GMC Sierra 4WD Crew Cab Short Box AT4 for sale400 listings
- 2020 GMC Sierra 4WD Crew Cab Short Box Denali for sale367 listings
- 2020 GMC Sierra 4WD Crew Cab Standard Box Denali for sale338 listings
- 2020 GMC Sierra 4WD Crew Cab Standard Box Elevation for sale160 listings
- 2020 GMC Sierra 4WD Crew Cab Standard Box AT4 for sale114 listings
- 2020 GMC Sierra 4WD Crew Cab Standard Box SLT for sale91 listings
- 2020 GMC Sierra 2WD Crew Cab Short Box SLT for sale90 listings
- 2020 GMC Sierra 4WD Crew Cab Short Box SLE for sale79 listings
Used 2020 GMC Sierra by trim
- 2020 GMC Sierra 4WD Crew Cab Short Box SLT for sale570 listings
- 2020 GMC Sierra 4WD Crew Cab Short Box AT4 for sale400 listings
- 2020 GMC Sierra 4WD Crew Cab Short Box Denali for sale367 listings
- 2020 GMC Sierra 4WD Crew Cab Standard Box Denali for sale338 listings
- 2020 GMC Sierra 4WD Crew Cab Standard Box Elevation for sale160 listings
- 2020 GMC Sierra 4WD Crew Cab Standard Box AT4 for sale114 listings
- 2020 GMC Sierra 4WD Crew Cab Standard Box SLT for sale91 listings
- 2020 GMC Sierra 2WD Crew Cab Short Box SLT for sale90 listings
- 2020 GMC Sierra 4WD Crew Cab Short Box SLE for sale79 listings
Used 2020 GMC Sierra by top metros
- Used 2020 GMC Sierra for sale in Houston, TX39 listings
- Used 2020 GMC Sierra for sale in Phoenix, AZ27 listings
- Used 2020 GMC Sierra for sale in Albuquerque, NM19 listings
- Used 2020 GMC Sierra for sale in San Antonio, TX15 listings
- Used 2020 GMC Sierra for sale in El Paso, TX14 listings
- Used 2020 GMC Sierra for sale in Jacksonville, FL13 listings
- Used 2020 GMC Sierra for sale in Denver, CO12 listings
- Used 2020 GMC Sierra for sale in Austin, TX11 listings
- Used 2020 GMC Sierra for sale in Dallas, TX11 listings
- Used 2020 GMC Sierra for sale in Oklahoma City, OK8 listings
- Used 2020 GMC Sierra for sale in Tulsa, OK8 listings