85 Used 2020 Gmc Sierra for Sale Near Castle Rock, CO
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2020 GMC Sierra 2WD Crew Cab Short Box SLT
141,800 mi.
7 days on market
3GTU8DEDXLG188698
$23,999
Good Deal
Rams Motors Llc
San Antonio, TX
Sponsored
2020 GMC Sierra 4WD Crew Cab Short Box Denali
105,180 mi.
2 days on market
3GTU9FELXLG418644
$34,998
Good Deal
Smart Chevrolet
Madison, NC
Sponsored New listing
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
82,179 mi.
1 day on market
1GT49RE74LF287653
$49,995
Fair Deal
Motor Cars Of Chicago
Joliet, IL
New listing
2020 GMC Sierra SLT 4WD Crew Cab Short Box
110,772 mi.
1 day on market
1GTU9DEL4LZ153546
Contact Dealer
Phil Long Ford Motor City
Colorado Springs, CO
4.3
New listing
2020 GMC Sierra 4WD Crew Cab Short Box Elevation
140,408 mi.
1 day on market
3GTU9CED3LG411364
$25,995
Good Deal
Berkenkotter Motors
Castle Rock, CO
4.1
New listing
2020 GMC Sierra 4WD Crew Cab Standard Box AT4
47,490 mi.
1 day on market
1GT49PEY4LF336668
$59,488
Fair Deal
Johnson Auto Plaza
Brighton, CO
4.2
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
62,653 mi.
2 days on market
1GT49REY6LF325909
$58,995
Fair Deal
Carvilles Auto Mart
Grand Junction, CO
4.5
2020 GMC Sierra 4WD Regular Cab Long Box
77,583 mi.
3 days on market
3GTN9AEH1LG250881
$24,793
Fair Deal
Mike Maroone Auto
Longmont, CO
4.4
2020 GMC Sierra 2WD Crew Cab Short Box SLE
49,215 mi.
3 days on market
3GTU8BED4LG334940
$27,988
Fair DealClean title
The Sharpest Rides
Englewood, CO
4.5
2020 GMC Sierra 4WD Crew Cab Short Box Denali
95,126 mi.
5 days on market
1GTU9FEL1LZ188105
$38,344
Good DealSingle owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2020 GMC Sierra 4WD Crew Cab Short Box AT4
42,137 mi.
7 days on market
1GTP9EEL6LZ213796
$44,490
Fair Deal
Weld County Garage
Greeley, CO
4.6
2020 GMC Sierra 4WD Crew Cab Standard Box AT4
119,577 mi.
7 days on market
1GT49PEY5LF120960
$48,800
Good Deal
Stevinson Toyota West
Lakewood, CO
4.4
2020 GMC Sierra 4WD Crew Cab Short Box Denali
45,157 mi.
7 days on market
3GTU9FEL6LG397890
$44,576
Fair DealSingle ownerClean title
Pueblo Toyota
Pueblo, CO
4.5
2020 GMC Sierra 4WD Crew Cab Short Box SLT
80,735 mi.
8 days on market
3GTU9DED9LG415330
$39,566
Fair Deal
Clearshift Loveland
Loveland, CO
4.8
2020 GMC Sierra Denali 4WD Crew Cab Short Box
73,792 mi.
8 days on market
1GTU9FEL0LZ112228
$39,950
Fair Deal
Sterling Auto Sales
Longmont, CO
4.1
2020 GMC Sierra 4WD Crew Cab Short Box Elevation
107,340 mi.
9 days on market
3GTU9CET2LG454505
$31,250
Fair Deal
Autonation Chrysler Jeep West
Golden, CO
4.5
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
61,052 mi.
10 days on market
1GT49RE7XLF272705
$56,372
Fair DealSingle owner
Markley Honda
Fort Collins, CO
4.6
2020 GMC Sierra 4WD Crew Cab Short Box SLT
123,477 mi.
10 days on market
3GTU9DEL3LG218001
$31,793
Good Deal
Springs Automotive Group Platte Ave
Colorado Springs, CO
4.6
2020 GMC Sierra 4WD Crew Cab Short Box SLT
120,660 mi.
10 days on market
3GTU9DED3LG249578
$27,950
Good DealSingle owner
Sterling Auto Sales
Franktown, CO
4.1
2020 GMC Sierra 4WD Crew Cab Short Box AT4
75,347 mi.
11 days on market
3GTP9EEL6LG352052
$42,995
Fair Deal
Independent Auto Brokers
Greeley, CO
4.5
2020 GMC Sierra 4WD Crew Cab Short Box AT4
130,455 mi.
11 days on market
3GTP9EEL9LG178865
$58,040
Town Country Automall
Alamosa, CO
2020 GMC Sierra 4WD Crew Cab Short Box Denali
89,157 mi.
11 days on market
3GTU9FEL0LG450342
$37,590
Good Deal
Weld County Garage
Greeley, CO
4.6
2020 GMC Sierra 4WD Crew Cab Short Box Denali
72,689 mi.
11 days on market
1GTU9FEL7LZ222953
$45,398
Fair Deal
Lewis Chevrolet Of Garden City
Garden City, KS
4.3
2020 GMC Sierra 4WD Crew Cab Short Box Denali
127,739 mi.
11 days on market
3GTU9FET1LG317167
$33,494
Good Deal
Modern Classic Motors Inc
Grand Junction, CO
4.7
2020 GMC Sierra 4WD Double Cab Standard Box Elevation
68,658 mi.
13 days on market
1GTR9CEK5LZ130493
$28,200
Fair Deal
Corwin Honda Colorado Springs
Colorado Springs, CO
4.4
2020 GMC Sierra 4WD Crew Cab Short Box SLT
70,658 mi.
15 days on market
3GTU9DED7LG245825
$36,993
Fair Deal
Mike Maroone Auto
Longmont, CO
4.4
2020 GMC Sierra 4WD Crew Cab Standard Box AT4
88,922 mi.
15 days on market
1GT49PEY1LF282651
$54,399
Fair Deal
Castle Rock Chrysler Dodge Jeep Ram
Castle Rock, CO
4.5
2020 GMC Sierra 4WD Crew Cab Short Box SLT
89,338 mi.
15 days on market
3GTU9DED7LG133364
$33,994
Good Deal
Modern Classic Motors Inc
Grand Junction, CO
4.7
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
15 days on market
1GT49REY9LF192482
$49,900
Single owner
Padas Auto Sales Llc
Denver, CO
4.2
2020 GMC Sierra Denali 4WD Crew Cab Standard Box SRW
204,420 mi.
15 days on market
1GT49WEY6LF200567
$38,923
Good Deal
Kissner Motors
Grand Junction, CO
4.3
2020 GMC Sierra 4WD Crew Cab Short Box AT4
155,023 mi.
17 days on market
1GTP9EELXLZ159094
$29,349
Good Deal
Korf Ford
Brush, CO
4.1
Sponsored
2020 GMC Sierra 2WD Crew Cab Short Box SLT
141,800 mi.
7 days on market
3GTU8DEDXLG188698
$23,999
Good Deal
Rams Motors Llc
San Antonio, TX
New listing
2020 GMC Sierra SLT 4WD Crew Cab Short Box
110,772 mi.
1 day on market
1GTU9DEL4LZ153546
Contact Dealer
Phil Long Ford Motor City
Colorado Springs, CO
4.3
New listing
2020 GMC Sierra 4WD Crew Cab Short Box Elevation
140,408 mi.
1 day on market
3GTU9CED3LG411364
$25,995
Good Deal
Berkenkotter Motors
Castle Rock, CO
4.1
New listing
2020 GMC Sierra 4WD Crew Cab Standard Box AT4
47,490 mi.
1 day on market
1GT49PEY4LF336668
$59,488
Fair Deal
Johnson Auto Plaza
Brighton, CO
4.2
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
62,653 mi.
2 days on market
1GT49REY6LF325909
$58,995
Fair Deal
Carvilles Auto Mart
Grand Junction, CO
4.5
2020 GMC Sierra 4WD Regular Cab Long Box
77,583 mi.
3 days on market
3GTN9AEH1LG250881
$24,793
Fair Deal
Mike Maroone Auto
Longmont, CO
4.4
2020 GMC Sierra 2WD Crew Cab Short Box SLE
49,215 mi.
3 days on market
3GTU8BED4LG334940
$27,988
Fair DealClean title
The Sharpest Rides
Englewood, CO
4.5
2020 GMC Sierra 4WD Crew Cab Short Box Denali
95,126 mi.
5 days on market
1GTU9FEL1LZ188105
$38,344
Good DealSingle owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2020 GMC Sierra 4WD Crew Cab Short Box AT4
42,137 mi.
7 days on market
1GTP9EEL6LZ213796
$44,490
Fair Deal
Weld County Garage
Greeley, CO
4.6
2020 GMC Sierra 4WD Crew Cab Standard Box AT4
119,577 mi.
7 days on market
1GT49PEY5LF120960
$48,800
Good Deal
Stevinson Toyota West
Lakewood, CO
4.4
2020 GMC Sierra 4WD Crew Cab Short Box Denali
45,157 mi.
7 days on market
3GTU9FEL6LG397890
$44,576
Fair DealSingle ownerClean title
Pueblo Toyota
Pueblo, CO
4.5
2020 GMC Sierra 4WD Crew Cab Short Box SLT
80,735 mi.
8 days on market
3GTU9DED9LG415330
$39,566
Fair Deal
Clearshift Loveland
Loveland, CO
4.8
2020 GMC Sierra Denali 4WD Crew Cab Short Box
73,792 mi.
8 days on market
1GTU9FEL0LZ112228
$39,950
Fair Deal
Sterling Auto Sales
Longmont, CO
4.1
2020 GMC Sierra 4WD Crew Cab Short Box Elevation
107,340 mi.
9 days on market
3GTU9CET2LG454505
$31,250
Fair Deal
Autonation Chrysler Jeep West
Golden, CO
4.5
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
61,052 mi.
10 days on market
1GT49RE7XLF272705
$56,372
Fair DealSingle owner
Markley Honda
Fort Collins, CO
4.6
2020 GMC Sierra 4WD Crew Cab Short Box SLT
123,477 mi.
10 days on market
3GTU9DEL3LG218001
$31,793
Good Deal
Springs Automotive Group Platte Ave
Colorado Springs, CO
4.6
2020 GMC Sierra 4WD Crew Cab Short Box SLT
120,660 mi.
10 days on market
3GTU9DED3LG249578
$27,950
Good DealSingle owner
Sterling Auto Sales
Franktown, CO
4.1
2020 GMC Sierra 4WD Crew Cab Short Box AT4
75,347 mi.
11 days on market
3GTP9EEL6LG352052
$42,995
Fair Deal
Independent Auto Brokers
Greeley, CO
4.5
2020 GMC Sierra 4WD Crew Cab Short Box AT4
130,455 mi.
11 days on market
3GTP9EEL9LG178865
$58,040
Town Country Automall
Alamosa, CO
2020 GMC Sierra 4WD Crew Cab Short Box Denali
89,157 mi.
11 days on market
3GTU9FEL0LG450342
$37,590
Good Deal
Weld County Garage
Greeley, CO
4.6
2020 GMC Sierra 4WD Crew Cab Short Box Denali
72,689 mi.
11 days on market
1GTU9FEL7LZ222953
$45,398
Fair Deal
Lewis Chevrolet Of Garden City
Garden City, KS
4.3
2020 GMC Sierra 4WD Crew Cab Short Box Denali
127,739 mi.
11 days on market
3GTU9FET1LG317167
$33,494
Good Deal
Modern Classic Motors Inc
Grand Junction, CO
4.7
2020 GMC Sierra 4WD Double Cab Standard Box Elevation
68,658 mi.
13 days on market
1GTR9CEK5LZ130493
$28,200
Fair Deal
Corwin Honda Colorado Springs
Colorado Springs, CO
4.4
2020 GMC Sierra 4WD Crew Cab Short Box SLT
70,658 mi.
15 days on market
3GTU9DED7LG245825
$36,993
Fair Deal
Mike Maroone Auto
Longmont, CO
4.4
2020 GMC Sierra 4WD Crew Cab Standard Box AT4
88,922 mi.
15 days on market
1GT49PEY1LF282651
$54,399
Fair Deal
Castle Rock Chrysler Dodge Jeep Ram
Castle Rock, CO
4.5
2020 GMC Sierra 4WD Crew Cab Short Box SLT
89,338 mi.
15 days on market
3GTU9DED7LG133364
$33,994
Good Deal
Modern Classic Motors Inc
Grand Junction, CO
4.7
2020 GMC Sierra 4WD Crew Cab Standard Box Denali
15 days on market
1GT49REY9LF192482
$49,900
Single owner
Padas Auto Sales Llc
Denver, CO
4.2
2020 GMC Sierra Denali 4WD Crew Cab Standard Box SRW
204,420 mi.
15 days on market
1GT49WEY6LF200567
$38,923
Good Deal
Kissner Motors
Grand Junction, CO
4.3
2020 GMC Sierra 4WD Crew Cab Short Box AT4
155,023 mi.
17 days on market
1GTP9EELXLZ159094
$29,349
Good Deal
Korf Ford
Brush, CO
4.1
Find Used GMC Sierra in Castle Rock, CO
In the U.S., the GMC Sierra is available as Chassis Cab, Pickup, and Utility-Service Truck. The best choice typically depends on space needs and personal preference.