2026 GMC Sierra 3500

new

Automatic

Sterling exterior

$98,795

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$98,795

MSRP: $103,110

sterling exterior, alpine umber interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Glacier White exterior

$99,352

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$99,352

MSRP: $103,710

glacier white exterior, alpine umber interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Glacier White exterior

$99,352

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$99,352

MSRP: $103,710

glacier white exterior, alpine umber interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2020 GMC Sierra 3500

used

Automatic

White Frost Tricoat exterior

$58,388

O'Meara GMC

2.9

2020 GMC Sierra 3500 | used

$58,388

white frost tricoat exterior, dark walnut/dark ash grey interior

Automatic

Four-wheel Drive

O'Meara GMC

2.9

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2024 GMC Sierra 3500

used

Automatic

Onyx Black exterior

$80,288

O'Meara GMC

2.9

2024 GMC Sierra 3500 | used

$80,288

onyx black exterior, alpine umber interior

Automatic

Four-wheel Drive

O'Meara GMC

2.9

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2026 GMC Sierra 3500

new

Automatic

Onyx Black exterior

$80,605

O'Meara GMC

2.9

2026 GMC Sierra 3500 | new

$80,605

MSRP: $86,855

onyx black exterior, dark walnut/slate interior

Automatic

Four-wheel Drive

O'Meara GMC

2.9

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2026 GMC Sierra 3500

new

Automatic

Sterling Metallic exterior

$81,415

O'Meara GMC

2.9

2026 GMC Sierra 3500 | new

$81,415

MSRP: $87,665

sterling metallic exterior, jet black interior

Automatic

Four-wheel Drive

O'Meara GMC

2.9

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2026 GMC Sierra 3500

new

Automatic

Onyx Black exterior

$81,500

O'Meara GMC

2.9

2026 GMC Sierra 3500 | new

$81,500

MSRP: $87,750

onyx black exterior, dark walnut/slate interior

Automatic

Four-wheel Drive

O'Meara GMC

2.9

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2009 GMC Sierra 3500

used

Automatic

Summit White exterior

$7,994

Jensen Kissner Motors

N/A

2009 GMC Sierra 3500 | used

$7,994

summit white exterior, n/a interior

Automatic

Four-wheel Drive

Jensen Kissner Motors

N/A

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2018 GMC Sierra 3500

used

Automatic

Summit White exterior

$15,695

Auto Pawn USA

N/A

2018 GMC Sierra 3500 | used

$15,695

summit white exterior, gray interior

Automatic

Four-wheel Drive

Auto Pawn USA

N/A

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2016 GMC Sierra 3500

used

Automatic

Onyx Black exterior

$35,646

Jensen Kissner Motors

N/A

2016 GMC Sierra 3500 | used

$35,646

onyx black exterior, jet black interior

Automatic

Four-wheel Drive

Jensen Kissner Motors

N/A

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2013 GMC Sierra 3500

used

Automatic

Black exterior

$36,997

Mazal Motors

N/A

2013 GMC Sierra 3500 | used

$36,997

black exterior, black interior

Automatic

Four-wheel Drive

Mazal Motors

N/A

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2020 GMC Sierra 3500

used

Automatic

Black exterior

$38,923

Jensen Kissner Motors

N/A

2020 GMC Sierra 3500 | used

$38,923

black exterior, n/a interior

Automatic

Four-wheel Drive

Jensen Kissner Motors

N/A

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2023 GMC Sierra 3500

used

Automatic

Quicksilver Metallic exterior

$39,510

Mountain Chevrolet

N/A

2023 GMC Sierra 3500 | used

$39,510

quicksilver metallic exterior, black interior

Automatic

Four-wheel Drive

Mountain Chevrolet

N/A

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2019 GMC Sierra 3500

used

Automatic

Onyx Black exterior

$44,816

Flower Subaru

N/A

2019 GMC Sierra 3500 | used

$44,816

onyx black exterior, jet black interior

Automatic

Four-wheel Drive

Flower Subaru

N/A

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2019 GMC Sierra 3500

used

Automatic

White exterior

$50,596

Flower Subaru

N/A

2019 GMC Sierra 3500 | used

$50,596

white exterior, n/a interior

Automatic

Four-wheel Drive

Flower Subaru

N/A

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$52,495

Loveland Buick GMC

N/A

2026 GMC Sierra 3500 | new

$52,495

MSRP: $53,495

summit white exterior, jet black interior

Automatic

Four-wheel Drive

Loveland Buick GMC

N/A

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2023 GMC Sierra 3500

used

Automatic

White exterior

$56,599

Red Noland Cadillac

N/A

2023 GMC Sierra 3500 | used

$56,599

white exterior, jet black interior

Automatic

Four-wheel Drive

Red Noland Cadillac

N/A

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2025 GMC Sierra 3500

used

Automatic

Sterling exterior

$64,879

Jensen Kissner Motors

N/A

2025 GMC Sierra 3500 | used

$64,879

sterling exterior, black interior

Automatic

Four-wheel Drive

Jensen Kissner Motors

N/A

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2024 GMC Sierra 3500

used

Automatic

Black exterior

$69,336

Jensen Kissner Motors

N/A

2024 GMC Sierra 3500 | used

$69,336

black exterior, n/a interior

Automatic

Four-wheel Drive

Jensen Kissner Motors

N/A

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2023 GMC Sierra 3500

used

Automatic

White Frost Tri-Coat exterior

$69,595

Jensen Kissner Motors

N/A

2023 GMC Sierra 3500 | used

$69,595

white frost tri-coat exterior, walnut interior

Automatic

Four-wheel Drive

Jensen Kissner Motors

N/A

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2024 GMC Sierra 3500

used

Automatic

Sterling exterior

$69,733

Auto Mart USA

N/A

2024 GMC Sierra 3500 | used

$69,733

sterling exterior, jet black interior

Automatic

Four-wheel Drive

Auto Mart USA

N/A

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2025 GMC Sierra 3500

used

Automatic

Onyx Black exterior

$72,399

Montrose Ford Lincoln

N/A

2025 GMC Sierra 3500 | used

$72,399

onyx black exterior, black interior

Automatic

Four-wheel Drive

Montrose Ford Lincoln

N/A

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2024 GMC Sierra 3500

used

Automatic

Summit White exterior

$72,872

Prestige Chrysler Dodge Jeep

N/A

2024 GMC Sierra 3500 | used

$72,872

summit white exterior, jet black interior

Automatic

Four-wheel Drive

Prestige Chrysler Dodge Jeep

N/A

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2024 GMC Sierra 3500

used

Automatic

Sterling Metallic exterior

$76,314

Loveland Buick GMC

N/A

2024 GMC Sierra 3500 | used

$76,314

sterling metallic exterior, jet black w/kalahari accents interior

Automatic

Four-wheel Drive

Loveland Buick GMC

N/A

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$78,120

Loveland Buick GMC

N/A

2026 GMC Sierra 3500 | new

$78,120

MSRP: $79,120

summit white exterior, jet black interior

Automatic

Four-wheel Drive

Loveland Buick GMC

N/A

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2024 GMC Sierra 3500

used

Automatic

Onyx Black exterior

$80,325

Auto Mart USA

N/A

2024 GMC Sierra 3500 | used

$80,325

onyx black exterior, alpine umber interior

Automatic

Four-wheel Drive

Auto Mart USA

N/A

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2026 GMC Sierra 3500

new

Automatic

Glacier White Tricoat exterior

$84,290

Loveland Buick GMC

N/A

2026 GMC Sierra 3500 | new

$84,290

MSRP: $94,290

glacier white tricoat exterior, jet black interior

Automatic

Four-wheel Drive

Loveland Buick GMC

N/A

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2026 GMC Sierra 3500

new

Automatic

Titanium Rush Metallic exterior

$88,090

Loveland Buick GMC

N/A

2026 GMC Sierra 3500 | new

$88,090

MSRP: $94,090

titanium rush metallic exterior, jet black interior

Automatic

Four-wheel Drive

Loveland Buick GMC

N/A

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2026 GMC Sierra 3500

new

Automatic

Glacier White Tricoat exterior

$88,690

Loveland Buick GMC

N/A

2026 GMC Sierra 3500 | new

$88,690

MSRP: $94,690

glacier white tricoat exterior, jet black interior

Automatic

Four-wheel Drive

Loveland Buick GMC

N/A

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GMC Sierra 3500 vehicles for Sale in Colorado

155 Results

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

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2020 GMC Sierra 3500 | used

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2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

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2024 GMC Sierra 3500 | used

2025 GMC Sierra 3500 | used

2024 GMC Sierra 3500 | used

2024 GMC Sierra 3500 | used

2026 GMC Sierra 3500 | new

2024 GMC Sierra 3500 | used

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new