Explore 1,541 New Gmc Sierra Listings Near Longmont, CO
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Sponsored
2025 GMC Sierra 4WD Regular Cab Standard Box Pro
433 mi.
138 days on market
3GTNUAED8SG271768
$42,234
Good Deal
Sims Buick Gmc Truck Inc
Warren, OH
Sponsored
2026 GMC Sierra 4WD Crew Cab Short Box AT4
6 mi.
132 days on market
1GTUUEELXTZ265563
$73,790
Fair Deal
Tilleman Motor Company
Havre, MT
New listing
2026 GMC Sierra
0 mi.
1 day on market
3GTUUFELXTG379200
$85,980
Johnson Auto Plaza
Brighton, CO
4.2
New listing
2026 GMC Sierra 4WD Crew Cab Short Box Elevation
0 mi.
1 day on market
1GTUUCE81TZ384523
$69,740
Transwest Gmc
Henderson, CO
4.3
New listing
2026 GMC Sierra 4WD Crew Cab Short Box Pro
0 mi.
1 day on market
1GTPUAEK6TZ385325
$54,185
Transwest Gmc
Henderson, CO
4.3
New listing
2026 GMC Sierra
1 mi.
1 day on market
1GTUUGEL0TZ385254
$81,414
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
New listing
2026 GMC Sierra AT4 Extended Range Crew Cab e4WD
10 mi.
1 day on market
1GT4EUED1TU415492
$83,389
Fair Deal
Autonation Buick Gmc Park Meadows
Lone Tree, CO
4.2
New listing
2026 GMC Sierra 4WD Regular Cab Standard Box Pro
6 mi.
1 day on market
3GTNUAEKXTG141281
$42,899
Fair Deal
Autonation Buick Gmc West
Golden, CO
4.3
New listing
2026 GMC Sierra 4WD Regular Cab Long Box Pro
0 mi.
1 day on market
1GT3ULE78TF244683
$55,775
Korf Auto
Sterling, CO
4.1
New listing
2026 GMC Sierra 4WD Crew Cab Standard Box AT4
0 mi.
1 day on market
1GT4UPE74TF297604
$80,924
Casper Gmc Cadillac
Casper, WY
4.6
New listing
2026 GMC Sierra 4WD Crew Cab Standard Box AT4X
0 mi.
1 day on market
1GT4UZEY5TF295056
$100,929
Casper Gmc Cadillac
Casper, WY
4.6
New listing
2026 GMC Sierra 4WD Crew Cab LB DRW Denali Ultimate
0 mi.
1 day on market
1GT4UYEY0TF298456
$107,439
Ferguson Buick Gmc
Colorado Springs, CO
4.7
New listing
2026 GMC Sierra
0 mi.
1 day on market
1GT4UPEY0TF289850
$91,004
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
New listing
2026 GMC Sierra 4WD Crew Cab Standard Box Denali
3 mi.
1 day on market
1GT4UWEY5TF271676
$91,719
Fair Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
New listing
2026 GMC Sierra Elevation Extended Range Crew Cab e4WD
2,275 mi.
1 day on market
1GT1ETED6TU405375
$71,054
Good Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
New listing
2026 GMC Sierra 4WD Crew Cab Standard Box SLT
0 mi.
1 day on market
1GT4UNE75TF299639
$75,470
Wilcoxson Buick Gmc
Pueblo, CO
4.1
New listing
2026 GMC Sierra
5 mi.
1 day on market
1GD1ULE72TF255763
$57,602
Weld County Garage
Greeley, CO
4.6
New listing
2026 GMC Sierra
0 mi.
1 day on market
3GTUUEEL4TG378067
$77,035
Mike Maroone Auto
Longmont, CO
4.4
New listing
2026 GMC Sierra 4WD Crew Cab Short Box Denali
0 mi.
1 day on market
1GTUUGELXTZ384791
$82,215
Transwest Gmc
Henderson, CO
4.3
New listing
2026 GMC Sierra AT4 Extended Range Crew Cab e4WD
10 mi.
1 day on market
1GT4EUED4TU415521
$83,389
Fair Deal
Autonation Buick Gmc Park Meadows
Lone Tree, CO
4.2
New listing
2026 GMC Sierra 4WD Crew Cab Short Box SLE
3 mi.
1 day on market
3GTUUBEDXTG207024
$62,254
Fair Deal
Markley Buick Gmc
Fort Collins, CO
4.1
New listing
2026 GMC Sierra 4WD Crew Cab Standard Box AT4X
0 mi.
1 day on market
1GT4UZEY1TF299699
$99,174
Ferguson Buick Gmc
Colorado Springs, CO
4.7
New listing
2026 GMC Sierra
0 mi.
1 day on market
3GTUUFEL6TG377699
$85,980
Johnson Auto Plaza
Brighton, CO
4.2
New listing
2026 GMC Sierra 4WD Double Cab Standard Box SLE
10 mi.
1 day on market
1GT5UME74TF299193
$67,470
Fair Deal
Autonation Buick Gmc West
Golden, CO
4.3
New listing
2026 GMC Sierra
0 mi.
1 day on market
1GT4UXEY9TF299695
$99,154
Loveland Buick Gmc
Loveland, CO
4.4
2026 GMC Sierra 4WD Crew Cab Short Box AT4
0 mi.
2 days on market
3GTUUEEL8TG301539
$73,819
Weld County Garage
Greeley, CO
4.6
2026 GMC Sierra 4WD Crew Cab Short Box AT4
0 mi.
2 days on market
3GTUUEE83TG346836
$74,150
Korf Chevrolet Gmc Of Yuma
Yuma, CO
2026 GMC Sierra 4WD Crew Cab Standard Box AT4
10 mi.
2 days on market
1GT4UPEY6TF287603
$90,800
Fair Deal
Transwest Gmc
Henderson, CO
4.3
2026 GMC Sierra 4WD Crew Cab Standard Box Denali
5 mi.
2 days on market
1GTUUGEL6TZ383055
$80,814
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2026 GMC Sierra 4WD Crew Cab Standard Box Elevation
5 mi.
2 days on market
1GTUUCE84TZ382989
$66,589
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
Sponsored
2025 GMC Sierra 4WD Regular Cab Standard Box Pro
433 mi.
138 days on market
3GTNUAED8SG271768
$42,234
Good Deal
Sims Buick Gmc Truck Inc
Warren, OH
New listing
2026 GMC Sierra
0 mi.
1 day on market
3GTUUFELXTG379200
$85,980
Johnson Auto Plaza
Brighton, CO
4.2
New listing
2026 GMC Sierra 4WD Crew Cab Short Box Elevation
0 mi.
1 day on market
1GTUUCE81TZ384523
$69,740
Transwest Gmc
Henderson, CO
4.3
New listing
2026 GMC Sierra 4WD Crew Cab Short Box Pro
0 mi.
1 day on market
1GTPUAEK6TZ385325
$54,185
Transwest Gmc
Henderson, CO
4.3
New listing
2026 GMC Sierra
1 mi.
1 day on market
1GTUUGEL0TZ385254
$81,414
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
New listing
2026 GMC Sierra AT4 Extended Range Crew Cab e4WD
10 mi.
1 day on market
1GT4EUED1TU415492
$83,389
Fair Deal
Autonation Buick Gmc Park Meadows
Lone Tree, CO
4.2
New listing
2026 GMC Sierra 4WD Regular Cab Standard Box Pro
6 mi.
1 day on market
3GTNUAEKXTG141281
$42,899
Fair Deal
Autonation Buick Gmc West
Golden, CO
4.3
New listing
2026 GMC Sierra 4WD Regular Cab Long Box Pro
0 mi.
1 day on market
1GT3ULE78TF244683
$55,775
Korf Auto
Sterling, CO
4.1
New listing
2026 GMC Sierra 4WD Crew Cab Standard Box AT4
0 mi.
1 day on market
1GT4UPE74TF297604
$80,924
Casper Gmc Cadillac
Casper, WY
4.6
New listing
2026 GMC Sierra 4WD Crew Cab Standard Box AT4X
0 mi.
1 day on market
1GT4UZEY5TF295056
$100,929
Casper Gmc Cadillac
Casper, WY
4.6
New listing
2026 GMC Sierra 4WD Crew Cab LB DRW Denali Ultimate
0 mi.
1 day on market
1GT4UYEY0TF298456
$107,439
Ferguson Buick Gmc
Colorado Springs, CO
4.7
New listing
2026 GMC Sierra
0 mi.
1 day on market
1GT4UPEY0TF289850
$91,004
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
New listing
2026 GMC Sierra 4WD Crew Cab Standard Box Denali
3 mi.
1 day on market
1GT4UWEY5TF271676
$91,719
Fair Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
New listing
2026 GMC Sierra Elevation Extended Range Crew Cab e4WD
2,275 mi.
1 day on market
1GT1ETED6TU405375
$71,054
Good Deal
Castle Rock Chevrolet Gmc
Castle Rock, CO
4.6
New listing
2026 GMC Sierra 4WD Crew Cab Standard Box SLT
0 mi.
1 day on market
1GT4UNE75TF299639
$75,470
Wilcoxson Buick Gmc
Pueblo, CO
4.1
New listing
2026 GMC Sierra
5 mi.
1 day on market
1GD1ULE72TF255763
$57,602
Weld County Garage
Greeley, CO
4.6
New listing
2026 GMC Sierra
0 mi.
1 day on market
3GTUUEEL4TG378067
$77,035
Mike Maroone Auto
Longmont, CO
4.4
New listing
2026 GMC Sierra 4WD Crew Cab Short Box Denali
0 mi.
1 day on market
1GTUUGELXTZ384791
$82,215
Transwest Gmc
Henderson, CO
4.3
New listing
2026 GMC Sierra AT4 Extended Range Crew Cab e4WD
10 mi.
1 day on market
1GT4EUED4TU415521
$83,389
Fair Deal
Autonation Buick Gmc Park Meadows
Lone Tree, CO
4.2
New listing
2026 GMC Sierra 4WD Crew Cab Short Box SLE
3 mi.
1 day on market
3GTUUBEDXTG207024
$62,254
Fair Deal
Markley Buick Gmc
Fort Collins, CO
4.1
New listing
2026 GMC Sierra 4WD Crew Cab Standard Box AT4X
0 mi.
1 day on market
1GT4UZEY1TF299699
$99,174
Ferguson Buick Gmc
Colorado Springs, CO
4.7
New listing
2026 GMC Sierra
0 mi.
1 day on market
3GTUUFEL6TG377699
$85,980
Johnson Auto Plaza
Brighton, CO
4.2
New listing
2026 GMC Sierra 4WD Double Cab Standard Box SLE
10 mi.
1 day on market
1GT5UME74TF299193
$67,470
Fair Deal
Autonation Buick Gmc West
Golden, CO
4.3
New listing
2026 GMC Sierra
0 mi.
1 day on market
1GT4UXEY9TF299695
$99,154
Loveland Buick Gmc
Loveland, CO
4.4
2026 GMC Sierra 4WD Crew Cab Short Box AT4
0 mi.
2 days on market
3GTUUEEL8TG301539
$73,819
Weld County Garage
Greeley, CO
4.6
2026 GMC Sierra 4WD Crew Cab Short Box AT4
0 mi.
2 days on market
3GTUUEE83TG346836
$74,150
Korf Chevrolet Gmc Of Yuma
Yuma, CO
2026 GMC Sierra 4WD Crew Cab Standard Box AT4
10 mi.
2 days on market
1GT4UPEY6TF287603
$90,800
Fair Deal
Transwest Gmc
Henderson, CO
4.3
2026 GMC Sierra 4WD Crew Cab Standard Box Denali
5 mi.
2 days on market
1GTUUGEL6TZ383055
$80,814
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
2026 GMC Sierra 4WD Crew Cab Standard Box Elevation
5 mi.
2 days on market
1GTUUCE84TZ382989
$66,589
Fair Deal
Alpine Buick Gmc
Highlands Ranch, CO
4.3
Find New GMC Sierra in Longmont, CO
In the U.S., the GMC Sierra is available as Chassis Cab and Pickup. The best choice typically depends on space needs and personal preference.