New gmc sierra-3500hd for Sale near Port O Connor, TX

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Model: sierra-3500hd
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2026 GMC Sierra 3500HD Denali Ultimate's photo

2026 GMC Sierra 3500HD Denali Ultimate

3 mi.

46 days on market

1GT4UYEY5TF154143

$104,685
Great Deal
South Texas Buick Gmc
McAllen, TX
4.3
2026 GMC Sierra 3500HD SLE's photo

2026 GMC Sierra 3500HD SLE

0 mi.

8 days on market

1GT4UTEY6TF190104

$76,600
Great Deal
South Texas Buick Gmc
McAllen, TX
4.4
2026 GMC Sierra 3500HD Denali's photo

2026 GMC Sierra 3500HD Denali

3 mi.

47 days on market

1GT4UWEY6TF156567

$96,410
South Texas Buick Gmc
McAllen, TX
4.3
2026 GMC Sierra 3500HD Denali's photo

2026 GMC Sierra 3500HD Denali

5 mi.

32 days on market

1GT4UWEY2TF172667

$93,780
South Texas Buick Gmc
McAllen, TX
4.3
2026 GMC Sierra 3500HD Denali's photo

2026 GMC Sierra 3500HD Denali

0 mi.

3 days on market

1GT4UWEYXTF192701

$95,810
Fair Deal
South Texas Buick Gmc
McAllen, TX
4.4
2026 GMC Sierra 3500HD SLE's photo

2026 GMC Sierra 3500HD SLE

0 mi.

8 days on market

1GT4UTEY1TF188499

$76,600
South Texas Buick Gmc
McAllen, TX
4.4
2026 GMC Sierra 3500HD SLT's photo

2026 GMC Sierra 3500HD SLT

3 mi.

63 days on market

1GT4UUEY2TF147613

$83,780
South Texas Buick Gmc
McAllen, TX
4.3
2026 GMC Sierra 3500HD Denali's photo

2026 GMC Sierra 3500HD Denali

5 mi.

100 days on market

1GT4UWEY7TF116028

$95,810
Great Deal
South Texas Buick Gmc
McAllen, TX
4.3
2026 GMC Sierra 3500HD Denali's photo

2026 GMC Sierra 3500HD Denali

5 mi.

54 days on market

1GT4UWEY7TF156951

$96,410
South Texas Buick Gmc
McAllen, TX
4.3
2026 GMC Sierra 3500HD Denali's photo

2026 GMC Sierra 3500HD Denali

3 mi.

47 days on market

1GT4UWEY2TF157179

$95,810
Great Deal
South Texas Buick Gmc
McAllen, TX
4.3
2026 GMC Sierra 3500HD SLE's photo

2026 GMC Sierra 3500HD SLE

0 mi.

8 days on market

1GT4UTEY4TF188870

$76,105
South Texas Buick Gmc
McAllen, TX
4.4
2026 GMC Sierra 3500HD SLE's photo

2026 GMC Sierra 3500HD SLE

5 mi.

25 days on market

1GT4UTEY2TF163871

$79,120
Fair Deal
South Texas Buick Gmc
McAllen, TX
4.4
2026 GMC Sierra 3500HD Denali's photo

2026 GMC Sierra 3500HD Denali

3 mi.

32 days on market

1GT4UWEY4TF172654

$93,780
South Texas Buick Gmc
McAllen, TX
4.3
2026 GMC Sierra 3500HD Denali Ultimate's photo

2026 GMC Sierra 3500HD Denali Ultimate

5 mi.

54 days on market

1GT4UYEY8TF151009

$104,565
South Texas Buick Gmc
McAllen, TX
4.3
2026 GMC Sierra 3500HD SLE's photo

2026 GMC Sierra 3500HD SLE

0 mi.

8 days on market

1GT4UTEY2TF189015

$76,600
Fair Deal
South Texas Buick Gmc
McAllen, TX
4.4
2026 GMC Sierra 3500HD SLT's photo

2026 GMC Sierra 3500HD SLT

3 mi.

63 days on market

1GT4UUEY1TF147845

$83,780
South Texas Buick Gmc
McAllen, TX
4.3
2026 GMC Sierra 3500HD AT4's photo

2026 GMC Sierra 3500HD AT4

0 mi.

37 days on market

1GT4UVEY9TF163359

$87,205
Fredericksburg Chevrolet Gmc
Fredericksburg, TX
4.7
2026 GMC Sierra 3500HD Denali's photo

2026 GMC Sierra 3500HD Denali

150 mi.

25 days on market

1GT4UWEY0TF141448

$89,334
Patriot Buick Gmc
Killeen, TX
4.6
2026 GMC Sierra 3500HD SLE's photo

2026 GMC Sierra 3500HD SLE

6 mi.

57 days on market

1GT3UTEY7TF146320

$76,709
Rio Motor Co
Rio Grande City, TX
4.5
New listing
2026 GMC Sierra 3500HD Pro's photo

2026 GMC Sierra 3500HD Pro

0 mi.

1 day on market

1GT4USEY8TF197520

$72,645
Rio Motor Co
Rio Grande City, TX
4.5
2026 GMC Sierra 3500HD AT4's photo

2026 GMC Sierra 3500HD AT4

10 mi.

42 days on market

1GT4UVEY4TF162829

$92,849
Uvalde Chevrolet
Uvalde, TX
4.5
2026 GMC Sierra 3500HD Denali's photo

2026 GMC Sierra 3500HD Denali

10 mi.

46 days on market

1GT4UWEY0TF161800

$96,500
Uvalde Chevrolet
Uvalde, TX
4.5
2026 GMC Sierra 3500HD Denali Ultimate's photo

2026 GMC Sierra 3500HD Denali Ultimate

10 mi.

39 days on market

1GT4UYEY9TF167087

$106,164
Uvalde Chevrolet
Uvalde, TX
4.5
2026 GMC Sierra 3500HD Denali Ultimate's photo

2026 GMC Sierra 3500HD Denali Ultimate

10 mi.

41 days on market

1GT4UYEYXTF166904

$105,564
Uvalde Chevrolet
Uvalde, TX
4.5
2026 GMC Sierra 3500HD Pro's photo

2026 GMC Sierra 3500HD Pro

0 mi.

78 days on market

1GT3USEY7TF134422

$68,950
Great Deal
Wright Buick Gmc
Lufkin, TX
4.7
2026 GMC Sierra 3500HD SLT's photo

2026 GMC Sierra 3500HD SLT

3 mi.

37 days on market

1GT4UUEY7TF169364

$88,020
Navarre Gmc
Lake Charles, LA
4.1
2026 GMC Sierra 3500HD Denali Ultimate's photo

2026 GMC Sierra 3500HD Denali Ultimate

3 mi.

36 days on market

1GT4UYEY6TF169377

$105,165
Navarre Gmc
Lake Charles, LA
4.1
2026 GMC Sierra 3500HD SLT's photo

2026 GMC Sierra 3500HD SLT

8 mi.

23 days on market

1GT4UUEY3TF180359

$89,130
Good Deal
Rex Perry Autoplex
Nacogdoches, TX
4.6

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Find New GMC Sierra 3500HD in Port O Connor, TX

We've got 281 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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