2026 GMC Sierra 3500

new

Automatic

Coastal Dune exterior

$88,999

AutoNation Buick GMC West

4.2

2026 GMC Sierra 3500 | new

$88,999

MSRP: $92,090

coastal dune exterior, jet black w/kalahari accents interior

Automatic

Four-wheel Drive

AutoNation Buick GMC West

4.2

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2017 GMC Sierra 3500

used

Automatic

Summit White exterior

$31,443

Loveland Ford Lincoln

4.1

2017 GMC Sierra 3500 | used

$31,443

summit white exterior, dark ash interior

Automatic

Four-wheel Drive

Loveland Ford Lincoln

4.1

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2025 GMC Sierra 3500

used

Automatic

Summit White exterior

$83,106

Loveland Ford Lincoln

4.1

2025 GMC Sierra 3500 | used

$83,106

summit white exterior, alpine umber interior

Automatic

Four-wheel Drive

Loveland Ford Lincoln

4.1

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2018 GMC Sierra 3500

used

Automatic

Stone Blue Metallic exterior

$28,800

Berkenkotter Motors

4.0

2018 GMC Sierra 3500 | used

$28,800

stone blue metallic exterior, gray interior

Automatic

Four-wheel Drive

Berkenkotter Motors

4.0

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2021 GMC Sierra 3500

used

Automatic

Carbon Black Metallic exterior

$32,600

Berkenkotter Motors

4.0

2021 GMC Sierra 3500 | used

$32,600

carbon black metallic exterior, jet black interior

Automatic

Four-wheel Drive

Berkenkotter Motors

4.0

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2017 GMC Sierra 3500

used

Automatic

Onyx Black exterior

$41,400

Berkenkotter Motors

4.0

2017 GMC Sierra 3500 | used

$41,400

onyx black exterior, jet black interior

Automatic

Four-wheel Drive

Berkenkotter Motors

4.0

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2019 GMC Sierra 3500

used

Automatic

Quicksilver Metallic exterior

$42,400

Berkenkotter Motors

4.0

2019 GMC Sierra 3500 | used

$42,400

quicksilver metallic exterior, jet black interior

Automatic

Four-wheel Drive

Berkenkotter Motors

4.0

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2020 GMC Sierra 3500

used

Automatic

Summit White exterior

$48,766

John Elway Chevrolet

4.0

2020 GMC Sierra 3500 | used

$48,766

summit white exterior, jet black w/kalahari accents interior

Automatic

Four-wheel Drive

John Elway Chevrolet

4.0

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2023 GMC Sierra 3500

used

Automatic

Summit White exterior

$55,153

AutoNation Chevrolet North

3.7

2023 GMC Sierra 3500 | used

$55,153

summit white exterior, jet black interior

Automatic

Four-wheel Drive

AutoNation Chevrolet North

3.7

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2022 GMC Sierra 3500

used

Automatic

Black exterior

$57,990

AutoNation Chevrolet North

3.7

2022 GMC Sierra 3500 | used

$57,990

black exterior, jet black interior

Automatic

Four-wheel Drive

AutoNation Chevrolet North

3.7

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2024 GMC Sierra 3500

used

Automatic

Summit White exterior

$57,488

Johnson Auto Plaza, Inc.

3.6

2024 GMC Sierra 3500 | used

$57,488

summit white exterior, black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$63,712

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$63,712

MSRP: $69,103

summit white exterior, jet black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$63,712

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$63,712

MSRP: $69,103

summit white exterior, jet black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$63,971

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$63,971

MSRP: $69,393

summit white exterior, black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$63,971

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$63,971

MSRP: $69,393

summit white exterior, black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$63,971

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$63,971

MSRP: $69,393

summit white exterior, black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$66,389

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$66,389

MSRP: $70,740

summit white exterior, black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$66,389

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$66,389

MSRP: $70,740

summit white exterior, black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$67,978

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$67,978

MSRP: $72,425

summit white exterior, black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2024 GMC Sierra 3500

used

Automatic

White Frost Tri-Coat exterior

$71,488

Johnson Auto Plaza, Inc.

3.6

2024 GMC Sierra 3500 | used

$71,488

white frost tri-coat exterior, atmosphere interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Sterling exterior

$85,804

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$85,804

MSRP: $92,540

sterling exterior, jet black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$85,971

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$85,971

MSRP: $89,880

summit white exterior, atmosphere interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$85,971

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$85,971

MSRP: $89,880

summit white exterior, jet black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Onyx Black exterior

$87,705

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$87,705

MSRP: $91,390

onyx black exterior, jet black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Metallic exterior

$88,132

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$88,132

MSRP: $92,210

metallic exterior, atmosphere interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Summit White exterior

$88,641

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$88,641

MSRP: $92,680

summit white exterior, atmosphere interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

White Sand exterior

$89,067

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$89,067

MSRP: $93,300

white sand exterior, jet black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Onyx Black exterior

$90,802

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$90,802

MSRP: $95,010

onyx black exterior, black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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2026 GMC Sierra 3500

new

Automatic

Glacier White exterior

$98,743

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$98,743

MSRP: $106,015

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

$98,743

Johnson Auto Plaza, Inc.

3.6

2026 GMC Sierra 3500 | new

$98,743

MSRP: $106,015

glacier white exterior, alpine umber interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.6

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GMC Sierra 3500 vehicles for Sale in Colorado

155 Results

2026 GMC Sierra 3500 | new

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2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

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2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new

2026 GMC Sierra 3500 | new