7,478 New Gmc Sierra for Sale Near O Fallon, MO
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2026 GMC Sierra 4WD Crew Cab Standard Box AT4
2 days on market
3GTUUEE87TG384022
$71,577
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Standard Box Denali
2 days on market
1GTUUGEL4TZ385953
$78,412
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Short Box Elevation
2 days on market
1GTUUCE81TZ385946
$66,167
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Standard Box Elevation
2 days on market
1GTUUCE84TZ388632
$66,662
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Standard Box SLT
2 days on market
3GTUUDE89TG380032
$62,962
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Standard Box SLT
2 days on market
3GTUUDE89TG380452
$62,962
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Short Box Denali
2 days on market
3GTUUGEL3TG382915
$73,194
Modern Auto Company
Washington, MO
5.0
2026 GMC Sierra 4WD Crew Cab Standard Box SLE
2 days on market
1GT4UME7XTF267151
$65,420
W K
Sedalia, MO
4.6
2026 GMC Sierra 4WD Crew Cab Short Box Denali
2 days on market
3GTUUGEL3TG383692
$78,352
Silverthorne Chevrolet Gmc
Robinson, IL
4.6
2026 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
2 days on market
1GTUUHEL7TZ387816
$86,189
Lighthouse Buick Gmc
Morton, IL
4.9
2026 GMC Sierra 4WD Crew Cab Standard Box SLT
2 days on market
1GT4UNEYXTF302446
$85,659
Lighthouse Buick Gmc
Morton, IL
4.9
2026 GMC Sierra 4WD Crew Cab Short Box AT4
2 days on market
1GTUUEEL1TZ387664
$73,494
Express Gmc
Brownsville, TN
4.6
2026 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
2 days on market
1GTUUHEL1TZ353371
$85,354
Express Gmc
Brownsville, TN
4.6
2026 GMC Sierra 4WD Crew Cab Short Box Denali
2 days on market
1GTUUGELXTZ213751
$77,021
Ed Morse Gmc
Kewanee, IL
4.3
2026 GMC Sierra 4WD Crew Cab Short Box Denali
2 days on market
1GTUUGEL2TZ283549
$76,574
Ed Morse Gmc
Kewanee, IL
4.3
2026 GMC Sierra 4WD Double Cab Standard Box SLE
2 days on market
1GTRUBED3TZ276949
$58,653
Ed Morse Gmc
Kewanee, IL
4.3
2026 GMC Sierra 4WD Crew Cab Standard Box Elevation
2 days on market
1GTPUCEK2TZ386905
$43,099
Robert Brogdens Olathe Buick Gmc
Olathe, KS
4.5
2026 GMC Sierra 4WD Crew Cab Short Box SLT
2 days on market
3GTUUDEL3TG385358
$65,620
Cable Dahmer Buick Gmc Of Independence
Independence, MO
4.6
2026 GMC Sierra 4WD Crew Cab Short Box SLT
2 days on market
3GTUUDEL1TG385357
$66,220
Cable Dahmer Buick Gmc Of Independence
Independence, MO
4.6
2026 GMC Sierra 4WD Crew Cab Short Box SLT
2 days on market
3GTUUDEL2TG381642
$64,030
Sapaugh Chevrolet Buick Gmc
Herculaneum, MO
4.5
2026 GMC Sierra 4WD Crew Cab Short Box Elevation
2 days on market
1GTUUCED3TZ359667
$59,113
Serra Buick Gmc Jackson
Jackson, TN
4.8
2026 GMC Sierra 4WD Crew Cab Short Box AT4
118 mi.
2 days on market
1GTUUEE81TZ368432
$71,010
Fair Deal
Glen Sain Gmc
Rector, AR
4.5
2026 GMC Sierra 4WD Crew Cab Standard Box Pro
2 days on market
1GTPUAEK8TZ387447
$50,075
Glen Sain Gmc
Rector, AR
4.5
2026 GMC Sierra 4WD Crew Cab Standard Box AT4
2 days on market
1GT4UPE76TF294915
$77,542
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Long Box Denali Ultimate
5 mi.
2 days on market
1GT4UYEY9TF238000
$103,460
Fair Deal
Lou Fusz Automotive Network
Bridgeton, MO
2026 GMC Sierra 4WD Crew Cab Short Box SLT
2 mi.
2 days on market
3GTUUDED0TG365464
$64,170
Fair Deal
Holzhauer Gmc
Nashville, IL
2026 GMC Sierra 4WD Crew Cab Short Box AT4X
2 days on market
3GTUUFEL1TG377237
$78,469
Stew Hansen Buick Gmc
Clive, IA
4.6
2026 GMC Sierra 4WD Crew Cab Short Box Denali
2 mi.
2 days on market
3GTUUGEL2TG376247
$77,269
Fair Deal
Stew Hansen Buick Gmc
Clive, IA
4.6
2026 GMC Sierra 4WD Crew Cab Standard Box AT4
2 days on market
3GTUUEE87TG384022
$71,577
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Standard Box Denali
2 days on market
1GTUUGEL4TZ385953
$78,412
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Short Box Elevation
2 days on market
1GTUUCE81TZ385946
$66,167
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Standard Box Elevation
2 days on market
1GTUUCE84TZ388632
$66,662
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Standard Box SLT
2 days on market
3GTUUDE89TG380032
$62,962
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Standard Box SLT
2 days on market
3GTUUDE89TG380452
$62,962
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Short Box Denali
2 days on market
3GTUUGEL3TG382915
$73,194
Modern Auto Company
Washington, MO
5.0
2026 GMC Sierra 4WD Crew Cab Standard Box SLE
2 days on market
1GT4UME7XTF267151
$65,420
W K
Sedalia, MO
4.6
2026 GMC Sierra 4WD Crew Cab Short Box Denali
2 days on market
3GTUUGEL3TG383692
$78,352
Silverthorne Chevrolet Gmc
Robinson, IL
4.6
2026 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
2 days on market
1GTUUHEL7TZ387816
$86,189
Lighthouse Buick Gmc
Morton, IL
4.9
2026 GMC Sierra 4WD Crew Cab Standard Box SLT
2 days on market
1GT4UNEYXTF302446
$85,659
Lighthouse Buick Gmc
Morton, IL
4.9
2026 GMC Sierra 4WD Crew Cab Short Box AT4
2 days on market
1GTUUEEL1TZ387664
$73,494
Express Gmc
Brownsville, TN
4.6
2026 GMC Sierra 4WD Crew Cab Short Box Denali Ultimate
2 days on market
1GTUUHEL1TZ353371
$85,354
Express Gmc
Brownsville, TN
4.6
2026 GMC Sierra 4WD Crew Cab Short Box Denali
2 days on market
1GTUUGELXTZ213751
$77,021
Ed Morse Gmc
Kewanee, IL
4.3
2026 GMC Sierra 4WD Crew Cab Short Box Denali
2 days on market
1GTUUGEL2TZ283549
$76,574
Ed Morse Gmc
Kewanee, IL
4.3
2026 GMC Sierra 4WD Double Cab Standard Box SLE
2 days on market
1GTRUBED3TZ276949
$58,653
Ed Morse Gmc
Kewanee, IL
4.3
2026 GMC Sierra 4WD Crew Cab Standard Box Elevation
2 days on market
1GTPUCEK2TZ386905
$43,099
Robert Brogdens Olathe Buick Gmc
Olathe, KS
4.5
2026 GMC Sierra 4WD Crew Cab Short Box SLT
2 days on market
3GTUUDEL3TG385358
$65,620
Cable Dahmer Buick Gmc Of Independence
Independence, MO
4.6
2026 GMC Sierra 4WD Crew Cab Short Box SLT
2 days on market
3GTUUDEL1TG385357
$66,220
Cable Dahmer Buick Gmc Of Independence
Independence, MO
4.6
2026 GMC Sierra 4WD Crew Cab Short Box SLT
2 days on market
3GTUUDEL2TG381642
$64,030
Sapaugh Chevrolet Buick Gmc
Herculaneum, MO
4.5
2026 GMC Sierra 4WD Crew Cab Short Box Elevation
2 days on market
1GTUUCED3TZ359667
$59,113
Serra Buick Gmc Jackson
Jackson, TN
4.8
2026 GMC Sierra 4WD Crew Cab Short Box AT4
118 mi.
2 days on market
1GTUUEE81TZ368432
$71,010
Fair Deal
Glen Sain Gmc
Rector, AR
4.5
2026 GMC Sierra 4WD Crew Cab Standard Box Pro
2 days on market
1GTPUAEK8TZ387447
$50,075
Glen Sain Gmc
Rector, AR
4.5
2026 GMC Sierra 4WD Crew Cab Standard Box AT4
2 days on market
1GT4UPE76TF294915
$77,542
Laura Buick Gmc Inc
Collinsville, IL
4.7
2026 GMC Sierra 4WD Crew Cab Long Box Denali Ultimate
5 mi.
2 days on market
1GT4UYEY9TF238000
$103,460
Fair Deal
Lou Fusz Automotive Network
Bridgeton, MO
2026 GMC Sierra 4WD Crew Cab Short Box SLT
2 mi.
2 days on market
3GTUUDED0TG365464
$64,170
Fair Deal
Holzhauer Gmc
Nashville, IL
2026 GMC Sierra 4WD Crew Cab Short Box AT4X
2 days on market
3GTUUFEL1TG377237
$78,469
Stew Hansen Buick Gmc
Clive, IA
4.6
2026 GMC Sierra 4WD Crew Cab Short Box Denali
2 mi.
2 days on market
3GTUUGEL2TG376247
$77,269
Fair Deal
Stew Hansen Buick Gmc
Clive, IA
4.6
Find New GMC Sierra in O Fallon, MO
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.