New gmc sierra-3500hd for Sale near Port O Connor, TX
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2026 GMC Sierra 3500HD SLT
11 mi.
77 days on market
1GT4UUEY0TF135931
$83,440
Pursch Motors Inc
Pleasanton, TX
4.5
2025 GMC Sierra 3500HD Denali Ultimate
1 mi.
179 days on market
1GT4UYEY9SF275109
$98,795
Chuck Nash Chevrolet Buick Gmc
San Marcos, TX
4.3
2026 GMC Sierra 3500HD Denali
0 mi.
18 days on market
1GT4UWEY9TF182533
Contact Dealer
Gunn Fleet Management
Selma, TX
5.0
2026 GMC Sierra 3500HD Denali Ultimate
24 mi.
23 days on market
1GT4UYEY0TF150341
$104,665
Gunn Buick Gmc Ltd
Selma, TX
4.6
2026 GMC Sierra 3500HD Denali Ultimate
6 mi.
69 days on market
1GT4UYEY1TF140918
$97,224
Gunn Buick Gmc Ltd
Selma, TX
4.6
2026 GMC Sierra 3500HD Denali
251 mi.
5 days on market
1GT4UWEY3TF129228
$93,369
Great Deal
Gunn Buick Gmc Ltd
Selma, TX
4.6
2025 GMC Sierra 3500HD Denali Ultimate
366 mi.
102 days on market
1GT4UYEY9SF344123
$117,585
Gunn Buick Gmc Ltd
Selma, TX
4.6
2026 GMC Sierra 3500HD Pro
5 mi.
65 days on market
1GT5HPE70TF144064
$52,095
Gunn Buick Gmc Ltd
Selma, TX
4.6
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
118 days on market
1GT4UYEY8TF104983
$96,335
Wiesner Buick Gmc
Conroe, TX
4.3
2026 GMC Sierra 3500HD Denali
0 mi.
107 days on market
1GT4UWEYXTF112300
$91,760
Wiesner Buick Gmc
Conroe, TX
4.3
2026 GMC Sierra 3500HD Denali Ultimate
5 mi.
45 days on market
1GT4UYEY2TF162152
$99,550
Great Deal
South San Antonio Buick Gmc
San Antonio, TX
4.5
2026 GMC Sierra 3500HD SLE
5 mi.
31 days on market
1GT4UTEY8TF171019
$72,575
Fair Deal
South San Antonio Buick Gmc
San Antonio, TX
4.5
2026 GMC Sierra 3500HD SLE
0 mi.
35 days on market
1GT4UTEY2TF170996
$73,070
South San Antonio Buick Gmc
San Antonio, TX
4.5
2026 GMC Sierra 3500HD SLE
5 mi.
26 days on market
1GT5UTEY4TF175508
$71,255
South San Antonio Buick Gmc
San Antonio, TX
4.5
2026 GMC Sierra 3500HD AT4
5 mi.
52 days on market
1GT4UVEY0TF157000
$87,505
Cavender Buick Gmc North
San Antonio, TX
4.6
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
8 days on market
1GT4UYEY4TF186064
$106,725
Fair Deal
Cavender Buick Gmc North
San Antonio, TX
4.6
2026 GMC Sierra 3500HD Denali Ultimate
5 mi.
44 days on market
1GT4UYEY3TF163035
$101,400
Fair Deal
Cavender Buick Gmc North
San Antonio, TX
4.6
New listing
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
1 day on market
1GT4UYEY7TF196698
$106,570
Cavender Auto Group
San Antonio, TX
2026 GMC Sierra 3500HD Denali
0 mi.
16 days on market
1GT4UWEY9TF184394
$88,815
Good Deal
Cavender Buick Gmc North
San Antonio, TX
4.6
2026 GMC Sierra 3500HD Denali Ultimate
1 mi.
39 days on market
1GT4UYEY4TF143330
$98,525
Sterling Auto Group
Bryan, TX
4.5
2026 GMC Sierra 3500HD Pro
3 mi.
79 days on market
1GT5HPE76TF135532
$53,845
Sterling Auto Group
Bryan, TX
4.5
2026 GMC Sierra 3500HD Pro
0 mi.
36 days on market
1GT3USE71TF169027
$56,115
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD SLE
0 mi.
59 days on market
1GT3UTEY1TF145079
$76,769
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD SLE
0 mi.
38 days on market
1GT3UTE79TF168794
$64,545
Great Deal
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD SLE
0 mi.
59 days on market
1GT3UTEY8TF151316
$76,769
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD Pro
0 mi.
15 days on market
1GT4USEY7TF152150
$69,130
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD Denali
0 mi.
56 days on market
1GT4UWE75TF146734
$80,330
Fair Deal
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD SLT
0 mi.
76 days on market
1GT4UUEY4TF135754
$84,570
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD SLT
11 mi.
77 days on market
1GT4UUEY0TF135931
$83,440
Pursch Motors Inc
Pleasanton, TX
4.5
2025 GMC Sierra 3500HD Denali Ultimate
1 mi.
179 days on market
1GT4UYEY9SF275109
$98,795
Chuck Nash Chevrolet Buick Gmc
San Marcos, TX
4.3
2026 GMC Sierra 3500HD Denali
0 mi.
18 days on market
1GT4UWEY9TF182533
Contact Dealer
Gunn Fleet Management
Selma, TX
5.0
2026 GMC Sierra 3500HD Denali Ultimate
24 mi.
23 days on market
1GT4UYEY0TF150341
$104,665
Gunn Buick Gmc Ltd
Selma, TX
4.6
2026 GMC Sierra 3500HD Denali Ultimate
6 mi.
69 days on market
1GT4UYEY1TF140918
$97,224
Gunn Buick Gmc Ltd
Selma, TX
4.6
2026 GMC Sierra 3500HD Denali
251 mi.
5 days on market
1GT4UWEY3TF129228
$93,369
Great Deal
Gunn Buick Gmc Ltd
Selma, TX
4.6
2025 GMC Sierra 3500HD Denali Ultimate
366 mi.
102 days on market
1GT4UYEY9SF344123
$117,585
Gunn Buick Gmc Ltd
Selma, TX
4.6
2026 GMC Sierra 3500HD Pro
5 mi.
65 days on market
1GT5HPE70TF144064
$52,095
Gunn Buick Gmc Ltd
Selma, TX
4.6
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
118 days on market
1GT4UYEY8TF104983
$96,335
Wiesner Buick Gmc
Conroe, TX
4.3
2026 GMC Sierra 3500HD Denali
0 mi.
107 days on market
1GT4UWEYXTF112300
$91,760
Wiesner Buick Gmc
Conroe, TX
4.3
2026 GMC Sierra 3500HD Denali Ultimate
5 mi.
45 days on market
1GT4UYEY2TF162152
$99,550
Great Deal
South San Antonio Buick Gmc
San Antonio, TX
4.5
2026 GMC Sierra 3500HD SLE
5 mi.
31 days on market
1GT4UTEY8TF171019
$72,575
Fair Deal
South San Antonio Buick Gmc
San Antonio, TX
4.5
2026 GMC Sierra 3500HD SLE
0 mi.
35 days on market
1GT4UTEY2TF170996
$73,070
South San Antonio Buick Gmc
San Antonio, TX
4.5
2026 GMC Sierra 3500HD SLE
5 mi.
26 days on market
1GT5UTEY4TF175508
$71,255
South San Antonio Buick Gmc
San Antonio, TX
4.5
2026 GMC Sierra 3500HD AT4
5 mi.
52 days on market
1GT4UVEY0TF157000
$87,505
Cavender Buick Gmc North
San Antonio, TX
4.6
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
8 days on market
1GT4UYEY4TF186064
$106,725
Fair Deal
Cavender Buick Gmc North
San Antonio, TX
4.6
2026 GMC Sierra 3500HD Denali Ultimate
5 mi.
44 days on market
1GT4UYEY3TF163035
$101,400
Fair Deal
Cavender Buick Gmc North
San Antonio, TX
4.6
New listing
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
1 day on market
1GT4UYEY7TF196698
$106,570
Cavender Auto Group
San Antonio, TX
2026 GMC Sierra 3500HD Denali
0 mi.
16 days on market
1GT4UWEY9TF184394
$88,815
Good Deal
Cavender Buick Gmc North
San Antonio, TX
4.6
2026 GMC Sierra 3500HD Denali Ultimate
1 mi.
39 days on market
1GT4UYEY4TF143330
$98,525
Sterling Auto Group
Bryan, TX
4.5
2026 GMC Sierra 3500HD Pro
3 mi.
79 days on market
1GT5HPE76TF135532
$53,845
Sterling Auto Group
Bryan, TX
4.5
2026 GMC Sierra 3500HD Pro
0 mi.
36 days on market
1GT3USE71TF169027
$56,115
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD SLE
0 mi.
59 days on market
1GT3UTEY1TF145079
$76,769
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD SLE
0 mi.
38 days on market
1GT3UTE79TF168794
$64,545
Great Deal
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD SLE
0 mi.
59 days on market
1GT3UTEY8TF151316
$76,769
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD Pro
0 mi.
15 days on market
1GT4USEY7TF152150
$69,130
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD Denali
0 mi.
56 days on market
1GT4UWE75TF146734
$80,330
Fair Deal
Martin Gmc
Cleveland, TX
4.4
2026 GMC Sierra 3500HD SLT
0 mi.
76 days on market
1GT4UUEY4TF135754
$84,570
Martin Gmc
Cleveland, TX
4.4
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