New gmc sierra-3500hd for Sale near Port O Connor, TX
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2026 GMC Sierra 3500HD Denali
0 mi.
16 days on market
1GT4UWEY8TF171829
$95,360
Fair Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
2 days on market
1GT4UYEY5TF195341
$105,990
Fair Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
5 mi.
27 days on market
1GT4UWEY4TF173920
$89,665
Great Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
6 mi.
58 days on market
1GT4UWEY2TF117300
$88,795
Great Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
17 days on market
1GT4UYEY0TF183792
$105,990
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali Ultimate
7 mi.
23 days on market
1GT4UYEY7TF175978
$101,260
Great Deal
Beck Beck Buick Gmc
Seguin, TX
4.7
New listing
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
1 day on market
1GT4UYEY8TF193454
$105,199
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD AT4
1 mi.
71 days on market
1GT4UVEY0TF138351
$84,767
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD Pro
1 mi.
49 days on market
1GT4USEY8TF158684
$68,852
Great Deal
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD Pro
1 mi.
37 days on market
1GT4USEYXTF158671
$68,468
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
2 days on market
1GT4UYEY1TF193442
$97,377
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD AT4
0 mi.
27 days on market
1GT4UVEY5TF174553
$84,951
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD Pro
0 mi.
15 days on market
1GT4USEYXTF154104
$72,220
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD SLT
1 mi.
94 days on market
1GT4UUEY6TF116753
$84,383
Texan Gmc Buick
Humble, TX
4.3
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
17 days on market
1GT4UYEY4TF183066
$99,637
Big Star Buick Gmc
Baytown, TX
4.3
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
17 days on market
1GT4UYEYXTF182875
$99,398
Big Star Buick Gmc
Baytown, TX
4.3
2026 GMC Sierra 3500HD Denali
0 mi.
59 days on market
1GT4UWEY3TF144411
$92,170
Big Star Buick Gmc
Baytown, TX
4.3
2026 GMC Sierra 3500HD SLT
11 mi.
70 days on market
1GT4UUEY8TF139953
$85,279
Pursch Motors Inc
Pleasanton, TX
4.5
2025 GMC Sierra 3500HD SLT
11 mi.
126 days on market
1GT4UUE73SF373083
$70,889
Pursch Motors Inc
Pleasanton, TX
4.5
2025 GMC Sierra 3500HD SLE
11 mi.
165 days on market
1GT5UTE78SF347190
$61,929
Great Deal
Pursch Motors Inc
Pleasanton, TX
4.5
2025 GMC Sierra 3500HD SLT
11 mi.
127 days on market
1GT4UUE74SF373111
$71,934
Pursch Motors Inc
Pleasanton, TX
4.5
2025 GMC Sierra 3500HD SLT
11 mi.
115 days on market
1GT4UUE75SF373067
$70,934
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD Denali
11 mi.
51 days on market
1GT4UWEY4TF146684
$89,444
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD SLT
11 mi.
76 days on market
1GT4UUEY1TF136134
$82,495
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD SLT
11 mi.
72 days on market
1GT4UUEY7TF140155
$84,409
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD Denali
11 mi.
64 days on market
1GT4UWEY3TF146370
$89,764
Great Deal
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD SLT
11 mi.
77 days on market
1GT4UUEY8TF136261
$83,990
Great Deal
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD SLT
11 mi.
72 days on market
1GT4UUEY6TF139904
$84,484
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD Denali
0 mi.
16 days on market
1GT4UWEY8TF171829
$95,360
Fair Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
2 days on market
1GT4UYEY5TF195341
$105,990
Fair Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
5 mi.
27 days on market
1GT4UWEY4TF173920
$89,665
Great Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
6 mi.
58 days on market
1GT4UWEY2TF117300
$88,795
Great Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
17 days on market
1GT4UYEY0TF183792
$105,990
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali Ultimate
7 mi.
23 days on market
1GT4UYEY7TF175978
$101,260
Great Deal
Beck Beck Buick Gmc
Seguin, TX
4.7
New listing
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
1 day on market
1GT4UYEY8TF193454
$105,199
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD AT4
1 mi.
71 days on market
1GT4UVEY0TF138351
$84,767
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD Pro
1 mi.
49 days on market
1GT4USEY8TF158684
$68,852
Great Deal
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD Pro
1 mi.
37 days on market
1GT4USEYXTF158671
$68,468
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
2 days on market
1GT4UYEY1TF193442
$97,377
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD AT4
0 mi.
27 days on market
1GT4UVEY5TF174553
$84,951
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD Pro
0 mi.
15 days on market
1GT4USEYXTF154104
$72,220
Demontrond Buick Gmc
Houston, TX
4.3
2026 GMC Sierra 3500HD SLT
1 mi.
94 days on market
1GT4UUEY6TF116753
$84,383
Texan Gmc Buick
Humble, TX
4.3
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
17 days on market
1GT4UYEY4TF183066
$99,637
Big Star Buick Gmc
Baytown, TX
4.3
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
17 days on market
1GT4UYEYXTF182875
$99,398
Big Star Buick Gmc
Baytown, TX
4.3
2026 GMC Sierra 3500HD Denali
0 mi.
59 days on market
1GT4UWEY3TF144411
$92,170
Big Star Buick Gmc
Baytown, TX
4.3
2026 GMC Sierra 3500HD SLT
11 mi.
70 days on market
1GT4UUEY8TF139953
$85,279
Pursch Motors Inc
Pleasanton, TX
4.5
2025 GMC Sierra 3500HD SLT
11 mi.
126 days on market
1GT4UUE73SF373083
$70,889
Pursch Motors Inc
Pleasanton, TX
4.5
2025 GMC Sierra 3500HD SLE
11 mi.
165 days on market
1GT5UTE78SF347190
$61,929
Great Deal
Pursch Motors Inc
Pleasanton, TX
4.5
2025 GMC Sierra 3500HD SLT
11 mi.
127 days on market
1GT4UUE74SF373111
$71,934
Pursch Motors Inc
Pleasanton, TX
4.5
2025 GMC Sierra 3500HD SLT
11 mi.
115 days on market
1GT4UUE75SF373067
$70,934
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD Denali
11 mi.
51 days on market
1GT4UWEY4TF146684
$89,444
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD SLT
11 mi.
76 days on market
1GT4UUEY1TF136134
$82,495
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD SLT
11 mi.
72 days on market
1GT4UUEY7TF140155
$84,409
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD Denali
11 mi.
64 days on market
1GT4UWEY3TF146370
$89,764
Great Deal
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD SLT
11 mi.
77 days on market
1GT4UUEY8TF136261
$83,990
Great Deal
Pursch Motors Inc
Pleasanton, TX
4.5
2026 GMC Sierra 3500HD SLT
11 mi.
72 days on market
1GT4UUEY6TF139904
$84,484
Pursch Motors Inc
Pleasanton, TX
4.5
Find New GMC Sierra 3500HD in Port O Connor, TX
We've got 278 New GMC Sierra 3500HD vehicles in Port O Connor, TX, with prices running from $50,650 to $130,729. Mileage ranges up to 5,000 miles, so you can decide if you want something lightly driven or a more wallet-friendly option.
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Other New GMC models in Port O Connor, TX
New GMC AcadiaNew GMC CanyonNew GMC HUMMER EVNew GMC HUMMER EV PickupNew GMC HUMMER EV SUVNew GMC Savana CargoNew GMC Savana CutawayNew GMC Savana PassengerNew GMC Sierra 1500New GMC Sierra 1500 DenaliNew GMC Sierra 1500 LimitedNew GMC Sierra 2500 Denali HDNew GMC Sierra 2500HDNew GMC Sierra 3500 Chassis CabNew GMC Sierra 3500 Denali HDNew GMC Sierra EVNew GMC TerrainNew GMC YukonNew GMC Yukon XL
Used GMC models in Port O Connor, TX
Used GMC AcadiaUsed GMC CanyonUsed GMC HUMMER EVUsed GMC HUMMER EV PickupUsed GMC HUMMER EV SUVUsed GMC Savana CargoUsed GMC Savana CutawayUsed GMC Savana PassengerUsed GMC Sierra 1500Used GMC Sierra 1500 DenaliUsed GMC Sierra 1500 LimitedUsed GMC Sierra 2500 Denali HDUsed GMC Sierra 2500HDUsed GMC Sierra 3500 Chassis CabUsed GMC Sierra 3500 Denali HDUsed GMC Sierra 3500HDUsed GMC Sierra EVUsed GMC TerrainUsed GMC YukonUsed GMC Yukon XL