122 Used 2025 Gmc Sierra for Sale Near Boulder, CO
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New listing
2025 GMC Sierra AT4 4WD Crew Cab Short Box
16,331 mi.
1 day on market
1GTUUEE86SZ228312
$59,296
Good Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
New listing
2025 GMC Sierra AT4X 4WD Crew Cab Standard Box
46,646 mi.
1 day on market
1GT4UZEY2SF144352
$80,398
Good Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
New listing
2025 GMC Sierra 4WD Crew Cab Short Box Denali
30,563 mi.
1 day on market
1GTUUGE88SZ159490
$61,394
Fair DealClean title
Korf Chrysler Dodge Jeep Ram
Sterling, CO
3.9
New listing
2025 GMC Sierra AT4 4WD Crew Cab Short Box
12,115 mi.
1 day on market
1GTUUEEL8SZ234665
$59,398
Great Deal
Foundation Chevrolet
Wheat Ridge, CO
4.4
New listing
2025 GMC Sierra 4WD Crew Cab Long Box Denali Ultimate
21,184 mi.
1 day on market
1GT4UYEY6SF122512
Contact Dealer
Red Rock Gmc
Grand Junction, CO
4.5
New listing
2025 GMC Sierra Denali Ultimate 4WD Crew Cab Long Box
29,992 mi.
1 day on market
1GT1UXEY5SF287691
$81,798
Good Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2025 GMC Sierra AT4 4WD Crew Cab Standard Box SRW
19,031 mi.
2 days on market
1GT4UVEY9SF270491
Contact Dealer
Whites Mountain Kia
Casper, WY
4.0
2025 GMC Sierra Denali Extended Range Crew Cab e4WD
12,425 mi.
2 days on market
1GT40LEL1SU413031
$84,999
Good Deal
Casper Gmc Cadillac
Casper, WY
4.6
2025 GMC Sierra AT4X 4WD Crew Cab Standard Box
22,948 mi.
4 days on market
1GT4UZEY3SF210195
$85,998
Fair Deal
Foundation Chevrolet
Wheat Ridge, CO
4.4
2025 GMC Sierra 4WD Crew Cab Short Box Denali
29,321 mi.
5 days on market
3GTUUGE80SG126502
$60,849
Fair Deal
Shortline Buick Gmc
Aurora, CO
4.0
2025 GMC Sierra 4WD Crew Cab Standard Box Denali
39,162 mi.
5 days on market
1GT4URE78SF193210
$62,000
Good Deal
Mike Maroone Chevrolet South
Colorado Springs, CO
4.4
2025 GMC Sierra 4WD Crew Cab Standard Box AT4X
19,335 mi.
6 days on market
1GT4UZEY6SF151482
$86,290
Great DealClean title
Davidson Gebhardt Chevrolet
Loveland, CO
4.6
2025 GMC Sierra 4WD Crew Cab Standard Box AT4X
19,027 mi.
6 days on market
1GT4UZEY5SF177443
$99,625
Fair Deal
Casper Gmc Cadillac
Casper, WY
4.6
2025 GMC Sierra 4WD Crew Cab Short Box AT4
11,012 mi.
6 days on market
3GTUUEEL7SG108703
$61,799
Good Deal
Corwin Toyota Colorado Springs
Colorado Springs, CO
4.3
2025 GMC Sierra 4WD Crew Cab Short Box SLT
8 days on market
3GTUUDED4SG289536
Contact Dealer
Panhandle Automotive Group Llc
Sidney, NE
4.5
2025 GMC Sierra 4WD Crew Cab Standard Box SLT
11,840 mi.
8 days on market
1GT4UNEY1SF245004
$68,098
Great Deal
Mike Maroone Auto
Longmont, CO
4.4
2025 GMC Sierra Denali Ultimate 4WD Crew Cab Long Box
9,130 mi.
8 days on market
1GT4UXEY8SF352143
$87,001
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2025 GMC Sierra 4WD Crew Cab Short Box Elevation
7,323 mi.
8 days on market
3GTPUCEK9SG225014
$46,700
Good Deal
Stevinson Toyota West
Lakewood, CO
4.4
2025 GMC Sierra 4WD Crew Cab Short Box SLT
12,543 mi.
8 days on market
3GTUUDE85SG342313
$51,494
Good Deal
Modern Classic Motors Inc
Grand Junction, CO
4.7
2025 GMC Sierra 4WD Crew Cab Short Box Elevation
26,588 mi.
9 days on market
3GTUUCEDXSG176989
$48,201
Good Deal
Mcdonald Toyota Greeley
Greeley, CO
4.3
2025 GMC Sierra 4WD Crew Cab Short Box SLT
7,000 mi.
9 days on market
1GTUUDED6SZ335691
$55,794
Fair DealClean title
Korf Chrysler Dodge Jeep Ram
Sterling, CO
3.9
2025 GMC Sierra Denali Ultimate 4WD Crew Cab Long Box
21,139 mi.
10 days on market
1GT4UXEY2SF155534
$83,498
Good Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2025 GMC Sierra 4WD Crew Cab Standard Box AT4X
10 days on market
1GT4UZEY8SF297950
$84,410
Single owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2025 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
10,700 mi.
10 days on market
1GTUUHE88SZ295804
$70,799
Fair Deal
Corwin Toyota Colorado Springs
Colorado Springs, CO
4.3
2025 GMC Sierra 4WD Crew Cab Standard Box SLT
5,157 mi.
10 days on market
3GTUUDEL3SG266420
Contact Dealer
Panhandle Automotive Group Llc
Sidney, NE
4.5
2025 GMC Sierra 4WD Crew Cab Standard Box AT4X
24,076 mi.
10 days on market
1GT4UZE79SF116961
$84,349
Corwin Toyota Boulder
Boulder, CO
4.1
2025 GMC Sierra 4WD Crew Cab Standard Box AT4X
14,712 mi.
11 days on market
1GT4UZEY9SF341213
$85,590
Good Deal
Weld County Garage
Greeley, CO
4.6
2025 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
7,575 mi.
11 days on market
1GTUUHEL6SZ297930
$67,800
Great Deal
Corwin Toyota Boulder
Boulder, CO
4.1
New listing
2025 GMC Sierra AT4 4WD Crew Cab Short Box
16,331 mi.
1 day on market
1GTUUEE86SZ228312
$59,296
Good Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
New listing
2025 GMC Sierra AT4X 4WD Crew Cab Standard Box
46,646 mi.
1 day on market
1GT4UZEY2SF144352
$80,398
Good Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
New listing
2025 GMC Sierra 4WD Crew Cab Short Box Denali
30,563 mi.
1 day on market
1GTUUGE88SZ159490
$61,394
Fair DealClean title
Korf Chrysler Dodge Jeep Ram
Sterling, CO
3.9
New listing
2025 GMC Sierra AT4 4WD Crew Cab Short Box
12,115 mi.
1 day on market
1GTUUEEL8SZ234665
$59,398
Great Deal
Foundation Chevrolet
Wheat Ridge, CO
4.4
New listing
2025 GMC Sierra 4WD Crew Cab Long Box Denali Ultimate
21,184 mi.
1 day on market
1GT4UYEY6SF122512
Contact Dealer
Red Rock Gmc
Grand Junction, CO
4.5
New listing
2025 GMC Sierra Denali Ultimate 4WD Crew Cab Long Box
29,992 mi.
1 day on market
1GT1UXEY5SF287691
$81,798
Good Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2025 GMC Sierra AT4 4WD Crew Cab Standard Box SRW
19,031 mi.
2 days on market
1GT4UVEY9SF270491
Contact Dealer
Whites Mountain Kia
Casper, WY
4.0
2025 GMC Sierra Denali Extended Range Crew Cab e4WD
12,425 mi.
2 days on market
1GT40LEL1SU413031
$84,999
Good Deal
Casper Gmc Cadillac
Casper, WY
4.6
2025 GMC Sierra AT4X 4WD Crew Cab Standard Box
22,948 mi.
4 days on market
1GT4UZEY3SF210195
$85,998
Fair Deal
Foundation Chevrolet
Wheat Ridge, CO
4.4
2025 GMC Sierra 4WD Crew Cab Short Box Denali
29,321 mi.
5 days on market
3GTUUGE80SG126502
$60,849
Fair Deal
Shortline Buick Gmc
Aurora, CO
4.0
2025 GMC Sierra 4WD Crew Cab Standard Box Denali
39,162 mi.
5 days on market
1GT4URE78SF193210
$62,000
Good Deal
Mike Maroone Chevrolet South
Colorado Springs, CO
4.4
2025 GMC Sierra 4WD Crew Cab Standard Box AT4X
19,335 mi.
6 days on market
1GT4UZEY6SF151482
$86,290
Great DealClean title
Davidson Gebhardt Chevrolet
Loveland, CO
4.6
2025 GMC Sierra 4WD Crew Cab Standard Box AT4X
19,027 mi.
6 days on market
1GT4UZEY5SF177443
$99,625
Fair Deal
Casper Gmc Cadillac
Casper, WY
4.6
2025 GMC Sierra 4WD Crew Cab Short Box AT4
11,012 mi.
6 days on market
3GTUUEEL7SG108703
$61,799
Good Deal
Corwin Toyota Colorado Springs
Colorado Springs, CO
4.3
2025 GMC Sierra 4WD Crew Cab Short Box SLT
8 days on market
3GTUUDED4SG289536
Contact Dealer
Panhandle Automotive Group Llc
Sidney, NE
4.5
2025 GMC Sierra 4WD Crew Cab Standard Box SLT
11,840 mi.
8 days on market
1GT4UNEY1SF245004
$68,098
Great Deal
Mike Maroone Auto
Longmont, CO
4.4
2025 GMC Sierra Denali Ultimate 4WD Crew Cab Long Box
9,130 mi.
8 days on market
1GT4UXEY8SF352143
$87,001
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2025 GMC Sierra 4WD Crew Cab Short Box Elevation
7,323 mi.
8 days on market
3GTPUCEK9SG225014
$46,700
Good Deal
Stevinson Toyota West
Lakewood, CO
4.4
2025 GMC Sierra 4WD Crew Cab Short Box SLT
12,543 mi.
8 days on market
3GTUUDE85SG342313
$51,494
Good Deal
Modern Classic Motors Inc
Grand Junction, CO
4.7
2025 GMC Sierra 4WD Crew Cab Short Box Elevation
26,588 mi.
9 days on market
3GTUUCEDXSG176989
$48,201
Good Deal
Mcdonald Toyota Greeley
Greeley, CO
4.3
2025 GMC Sierra 4WD Crew Cab Short Box SLT
7,000 mi.
9 days on market
1GTUUDED6SZ335691
$55,794
Fair DealClean title
Korf Chrysler Dodge Jeep Ram
Sterling, CO
3.9
2025 GMC Sierra Denali Ultimate 4WD Crew Cab Long Box
21,139 mi.
10 days on market
1GT4UXEY2SF155534
$83,498
Good Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
2025 GMC Sierra 4WD Crew Cab Standard Box AT4X
10 days on market
1GT4UZEY8SF297950
$84,410
Single owner
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2025 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
10,700 mi.
10 days on market
1GTUUHE88SZ295804
$70,799
Fair Deal
Corwin Toyota Colorado Springs
Colorado Springs, CO
4.3
2025 GMC Sierra 4WD Crew Cab Standard Box SLT
5,157 mi.
10 days on market
3GTUUDEL3SG266420
Contact Dealer
Panhandle Automotive Group Llc
Sidney, NE
4.5
2025 GMC Sierra 4WD Crew Cab Standard Box AT4X
24,076 mi.
10 days on market
1GT4UZE79SF116961
$84,349
Corwin Toyota Boulder
Boulder, CO
4.1
2025 GMC Sierra 4WD Crew Cab Standard Box AT4X
14,712 mi.
11 days on market
1GT4UZEY9SF341213
$85,590
Good Deal
Weld County Garage
Greeley, CO
4.6
2025 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
7,575 mi.
11 days on market
1GTUUHEL6SZ297930
$67,800
Great Deal
Corwin Toyota Boulder
Boulder, CO
4.1
Find Used GMC Sierra in Boulder, 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.