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Cars for SaleGMCSierra 3500

GMC Sierra 3500 for Sale in San Marcos, TX

78666

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GMC

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Sierra 3500

Acadia (199)

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GMC

Models

Sierra 3500

Acadia (199)

Caballero

Canyon (142)

Envoy (1)

Envoy XL

Envoy XUV

G1500

G2500

G3500

Hummer EV (22)

Jimmy

Other GMC Models

S15 Jimmy

S15 Pickup

Safari

Savana 1500

Savana 2500 (13)

Savana 3500 (1)

Savana 4500

Sierra 1500 (1,263)

Sierra 2500 (394)

Sierra 3500 (68)

Sierra EV (40)

Sonoma

Suburban

Syclone

Terrain (180)

TopKick C4500

TopKick C5500

Typhoon

Yukon (227)

Yukon XL (239)

Sierra 3500 Trims

Any

AT4 (1)

Classic SL

Classic SLE

Classic W/T

Denali (25)

Denali Ultimate (20)

Pro (13)

SL

SLE (3)

SLT (6)

W/T

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Used (26)

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New (42)

Used (26)

Manufacturer Certified (0)

Third-Party Certified (1)

Certified Program

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Medium (6)

Long (53)

Include unspecified lengths (9)

Short (0)

Medium (6)

Long (53)

Include unspecified lengths (9)

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It looks like this GMC Sierra 3500 has already found a new home.

Check out other great options we've picked for you.

Sponsored by Covert Buick GMC Austin

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New 2026 GMC Sierra 3500 Denali Ultimate

New 2026 GMC Sierra 3500 Denali Ultimate

104,535

MSRP$105,310

See estimated payment

Dealer Fees Included

Covert Buick GMC Austin

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104,535

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Used 2019 GMC Sierra 3500 Denali w/ Duramax Plus Package

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Used 2025 GMC Sierra 3500 Denali w/ Denali Reserve Package

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22K mi

85,742

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Based on 4.5% APR for mos.

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Used 2021 GMC Sierra 3500 Denali w/ Denali Ultimate Package

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Used 2022 GMC Sierra 3500 Denali w/ Technology Package

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66,125

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New 2026 GMC Sierra 3500 Pro w/ 1SA Pro Safety Plus Package

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Covert Buick GMC Austin

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Used 2019 GMC Sierra 3500 Denali w/ Duramax Plus Package

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77K mi

53,995

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Used 2026 GMC Sierra 3500 SLE

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1K mi

91,811

Lifted Trucks San Antonio

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Used 2020 GMC Sierra 3500 SLT w/ Gooseneck/5TH Wheel Package

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2020 GMC Sierra 3500

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34,900

Austin Texas Cars And Trucks

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Used 2024 GMC Sierra 3500 Denali Ultimate

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2024 GMC Sierra 3500

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72,305

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Used 2020 GMC Sierra 3500 SLT w/ Gooseneck/5TH Wheel Package

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114K mi

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Used 2020 GMC Sierra 3500 Denali w/ Technology Package

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103K mi

51,995

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9.4 mi. away

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Used 2021 GMC Sierra 3500 Denali w/ Denali Ultimate Package

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59,130

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AutoNation USA San Antonio

44.28 mi. away

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56,747

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42,995

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53,522

Lost Pines Toyota

38.39 mi. away

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33 mi

123,649

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80,051

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47.19 mi. away

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Used 2023 GMC Sierra 3500 Denali w/ Denali Ultimate Package

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63K mi

61,237

Bluebonnet Chrysler Dodge

16.28 mi. away

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Used 2024 GMC Sierra 3500 Denali Ultimate

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34K mi

80,565

Nissan of Boerne

46.7 mi. away

Used 2025 GMC Sierra 3500 Denali w/ Denali Reserve Package

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85,742

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Used 2025 GMC Sierra 3500 SLT w/ SLT Premium Package

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61,417

Covert Chevrolet

38.72 mi. away

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Used

2012 GMC Sierra 3500

Denali
64K mi

43,500

Lockhart Motor Co.

15.95 mi. away

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2023 GMC Sierra 3500

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82K mi

52,987

Gunn Chevrolet

29.2 mi. away

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59,395

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New 2026 GMC Sierra 3500 Pro w/ Convenience Package

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82,547

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