New gmc sierra-3500hd for Sale near Port O Connor, TX
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2026 GMC Sierra 3500HD SLT
0 mi.
44 days on market
1GT4UUEY3TF164856
$82,450
Fair Deal
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
46 days on market
1GT4UYEY4TF161715
$98,422
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD SLE
0 mi.
20 days on market
1GT4UTEY1TF179415
$74,375
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
16 days on market
1GT4UYEY8TF183216
$105,434
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD Pro
0 mi.
107 days on market
1GT4USEY4TF108154
$65,850
Great Deal
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD AT4
0 mi.
29 days on market
1GT4UVEY5TF174729
$88,450
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD Pro
0 mi.
3 days on market
1GT4USEY7TF191532
$70,985
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD AT4
0 mi.
29 days on market
1GT4UVEY7TF174649
$87,758
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD Pro
0 mi.
35 days on market
1GT4USEY1TF169199
$68,450
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD SLT
0 mi.
23 days on market
1GT4UUEY9TF178213
$88,965
Great Deal
Group 1 Buick Gmc South
Houston, TX
4.2
2026 GMC Sierra 3500HD Denali Ultimate
7 mi.
24 days on market
1GT4UYEY6TF176507
$105,015
Group 1 Buick Gmc South
Houston, TX
4.2
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
17 days on market
1GT4UYEY5TF179222
$106,115
Good Deal
Group 1 Buick Gmc South
Houston, TX
4.2
2026 GMC Sierra 3500HD Denali
5 mi.
68 days on market
1GT4UWEY9TF117679
$90,224
Group 1 Buick Gmc South
Houston, TX
4.2
2026 GMC Sierra 3500HD SLT
5 mi.
24 days on market
1GT4UUEY0TF151238
$81,530
Good Deal
Group 1 Buick Gmc South
Houston, TX
4.2
Photos coming soon
2025 GMC Sierra 3500HD Pro
3 mi.
3 days on market
1GT3USEY2SF314843
$61,935
Payne Alice Chevrolet Gmc
Alice, TX
2026 GMC Sierra 3500HD Denali
0 mi.
3 days on market
1GT4UWEY3TF112249
$91,765
Payne Alice Chevrolet Gmc
Alice, TX
2026 GMC Sierra 3500HD Pro
0 mi.
3 days on market
1GT5USEY5TF107194
$68,860
Great Deal
Payne Alice Chevrolet Gmc
Alice, TX
2026 GMC Sierra 3500HD SLT
7 mi.
36 days on market
1GT4UUEYXTF169388
$84,240
Steele Chevrolet Gmc Of Luling
Luling, TX
4.4
2026 GMC Sierra 3500HD AT4
15 mi.
121 days on market
1GT4UVEY3TF102637
$87,030
Great Deal
Steele Chevrolet Gmc Of Luling
Luling, TX
4.4
2026 GMC Sierra 3500HD Denali
6 mi.
28 days on market
1GT4UWEY5TF173702
$90,265
Great Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
6 mi.
56 days on market
1GT4UWEY5TF117095
$88,795
Great Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
6 mi.
28 days on market
1GT4UWEY0TF171498
$87,365
Great Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
6 mi.
28 days on market
1GT4UWEY7TF173930
$89,665
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD SLT
0 mi.
16 days on market
1GT4UUEY6TF181831
$89,220
Fair Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Pro
13 mi.
9 days on market
1GT4USEY4TF136097
$70,765
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
5 mi.
25 days on market
1GT4UWEY1TF171753
$88,460
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
6 mi.
27 days on market
1GT4UWEY2TF173799
$89,170
Group 1 Buick Gmc North
Houston, TX
4.4
2025 GMC Sierra 3500HD SLT
6 mi.
66 days on market
1GT4UUEY4SF313371
$78,249
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD SLT
0 mi.
44 days on market
1GT4UUEY3TF164856
$82,450
Fair Deal
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
46 days on market
1GT4UYEY4TF161715
$98,422
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD SLE
0 mi.
20 days on market
1GT4UTEY1TF179415
$74,375
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
16 days on market
1GT4UYEY8TF183216
$105,434
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD Pro
0 mi.
107 days on market
1GT4USEY4TF108154
$65,850
Great Deal
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD AT4
0 mi.
29 days on market
1GT4UVEY5TF174729
$88,450
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD Pro
0 mi.
3 days on market
1GT4USEY7TF191532
$70,985
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD AT4
0 mi.
29 days on market
1GT4UVEY7TF174649
$87,758
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD Pro
0 mi.
35 days on market
1GT4USEY1TF169199
$68,450
Gay Buick Gmc
Dickinson, TX
4.7
2026 GMC Sierra 3500HD SLT
0 mi.
23 days on market
1GT4UUEY9TF178213
$88,965
Great Deal
Group 1 Buick Gmc South
Houston, TX
4.2
2026 GMC Sierra 3500HD Denali Ultimate
7 mi.
24 days on market
1GT4UYEY6TF176507
$105,015
Group 1 Buick Gmc South
Houston, TX
4.2
2026 GMC Sierra 3500HD Denali Ultimate
0 mi.
17 days on market
1GT4UYEY5TF179222
$106,115
Good Deal
Group 1 Buick Gmc South
Houston, TX
4.2
2026 GMC Sierra 3500HD Denali
5 mi.
68 days on market
1GT4UWEY9TF117679
$90,224
Group 1 Buick Gmc South
Houston, TX
4.2
2026 GMC Sierra 3500HD SLT
5 mi.
24 days on market
1GT4UUEY0TF151238
$81,530
Good Deal
Group 1 Buick Gmc South
Houston, TX
4.2
Photos coming soon
2025 GMC Sierra 3500HD Pro
3 mi.
3 days on market
1GT3USEY2SF314843
$61,935
Payne Alice Chevrolet Gmc
Alice, TX
2026 GMC Sierra 3500HD Denali
0 mi.
3 days on market
1GT4UWEY3TF112249
$91,765
Payne Alice Chevrolet Gmc
Alice, TX
2026 GMC Sierra 3500HD Pro
0 mi.
3 days on market
1GT5USEY5TF107194
$68,860
Great Deal
Payne Alice Chevrolet Gmc
Alice, TX
2026 GMC Sierra 3500HD SLT
7 mi.
36 days on market
1GT4UUEYXTF169388
$84,240
Steele Chevrolet Gmc Of Luling
Luling, TX
4.4
2026 GMC Sierra 3500HD AT4
15 mi.
121 days on market
1GT4UVEY3TF102637
$87,030
Great Deal
Steele Chevrolet Gmc Of Luling
Luling, TX
4.4
2026 GMC Sierra 3500HD Denali
6 mi.
28 days on market
1GT4UWEY5TF173702
$90,265
Great Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
6 mi.
56 days on market
1GT4UWEY5TF117095
$88,795
Great Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
6 mi.
28 days on market
1GT4UWEY0TF171498
$87,365
Great Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
6 mi.
28 days on market
1GT4UWEY7TF173930
$89,665
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD SLT
0 mi.
16 days on market
1GT4UUEY6TF181831
$89,220
Fair Deal
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Pro
13 mi.
9 days on market
1GT4USEY4TF136097
$70,765
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
5 mi.
25 days on market
1GT4UWEY1TF171753
$88,460
Group 1 Buick Gmc North
Houston, TX
4.4
2026 GMC Sierra 3500HD Denali
6 mi.
27 days on market
1GT4UWEY2TF173799
$89,170
Group 1 Buick Gmc North
Houston, TX
4.4
2025 GMC Sierra 3500HD SLT
6 mi.
66 days on market
1GT4UUEY4SF313371
$78,249
Group 1 Buick Gmc North
Houston, 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