2025 GMC Sierra 3500

new

Automatic

White Frost Tricoat exterior

$90,859

Alpine Buick GMC, Littleton/Denver/Highlands Ranch

4.4

2025 GMC Sierra 3500 | new

$90,859

MSRP: $91,859

white frost tricoat exterior, jet black interior

Automatic

Four-wheel Drive

Alpine Buick GMC, Littleton/Denver/Highlands Ranch

4.4

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

White Frost Tricoat exterior

$91,289

Alpine Buick GMC, Littleton/Denver/Highlands Ranch

4.4

2025 GMC Sierra 3500 | new

$91,289

MSRP: $92,289

white frost tricoat exterior, atmosphere/brownstone interior

Automatic

Four-wheel Drive

Alpine Buick GMC, Littleton/Denver/Highlands Ranch

4.4

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

White Frost Tricoat exterior

$91,289

Alpine Buick GMC, Littleton/Denver/Highlands Ranch

4.4

2025 GMC Sierra 3500 | new

$91,289

MSRP: $92,289

white frost tricoat exterior, atmosphere/brownstone interior

Automatic

Four-wheel Drive

Alpine Buick GMC, Littleton/Denver/Highlands Ranch

4.4

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

Onyx Black exterior

$91,484

Alpine Buick GMC South

4.4

2025 GMC Sierra 3500 | new

$91,484

MSRP: $91,484

onyx black exterior, jet black interior

Automatic

Four-wheel Drive

Alpine Buick GMC South

4.4

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

White Frost Tricoat exterior

$91,999

AutoNation Buick GMC West

4.4

2025 GMC Sierra 3500 | new

$91,999

MSRP: $93,755

white frost tricoat exterior, atmosphere/brownstone interior

Automatic

Four-wheel Drive

AutoNation Buick GMC West

4.4

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

Summit White exterior

$92,588

AutoNation Buick GMC West

4.4

2025 GMC Sierra 3500 | new

$92,588

MSRP: $93,415

summit white exterior, atmosphere/brownstone interior

Automatic

Four-wheel Drive

AutoNation Buick GMC West

4.4

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

Onyx Black exterior

$101,649

Alpine Buick GMC South

4.4

2025 GMC Sierra 3500 | new

$101,649

MSRP: $101,649

onyx black exterior, alpine umber interior

Automatic

Four-wheel Drive

Alpine Buick GMC South

4.4

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

White Frost Tricoat exterior

$102,124

Alpine Buick GMC, Littleton/Denver/Highlands Ranch

4.4

2025 GMC Sierra 3500 | new

$102,124

MSRP: $102,124

white frost tricoat exterior, alpine umber interior

Automatic

Four-wheel Drive

Alpine Buick GMC, Littleton/Denver/Highlands Ranch

4.4

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

Onyx Black exterior

$102,519

Alpine Buick GMC South

4.4

2025 GMC Sierra 3500 | new

$102,519

MSRP: $102,519

onyx black exterior, alpine umber interior

Automatic

Four-wheel Drive

Alpine Buick GMC South

4.4

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

Onyx Black exterior

$102,784

Alpine Buick GMC South

4.4

2025 GMC Sierra 3500 | new

$102,784

MSRP: $93,784

onyx black exterior, jet black interior

Automatic

Four-wheel Drive

Alpine Buick GMC South

4.4

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

Summit White exterior

$104,345

Alpine Buick GMC South

4.4

2025 GMC Sierra 3500 | new

$104,345

MSRP: $104,345

summit white exterior, alpine umber interior

Automatic

Four-wheel Drive

Alpine Buick GMC South

4.4

Contact Seller

View Details

2020 GMC Sierra 3500

used

Automatic

Red Quartz Tintcoat exterior

$54,999

Foundation Chevrolet & Cadillac

4.3

2020 GMC Sierra 3500 | used

$54,999

red quartz tintcoat exterior, jet black interior

Automatic

Four-wheel Drive

Foundation Chevrolet & Cadillac

4.3

Contact Seller

View Details

2020 GMC Sierra 3500

used

Automatic

White Frost Tri-Coat exterior

$60,890

O'Meara Ford

4.3

2020 GMC Sierra 3500 | used

$60,890

white frost tri-coat exterior, walnut interior

Automatic

Four-wheel Drive

O'Meara Ford

4.3

Contact Seller

View Details

2021 GMC Sierra 3500

used

Automatic

Blue exterior

$55,988

The Sharpest Rides Denver

4.2

2021 GMC Sierra 3500 | used

$55,988

blue exterior, black interior

Automatic

Four-wheel Drive

The Sharpest Rides Denver

4.2

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

Summit White exterior

$65,113

Mike Maroone Chevrolet GMC

4.2

2025 GMC Sierra 3500 | new

$65,113

MSRP: $67,863

summit white exterior, jet black interior

Automatic

Four-wheel Drive

Mike Maroone Chevrolet GMC

4.2

Contact Seller

View Details

2024 GMC Sierra 3500

used

Automatic

Titanium Rush Metallic exterior

$82,745

Mike Maroone Chevrolet GMC

4.2

2024 GMC Sierra 3500 | used

$82,745

titanium rush metallic exterior, alpine umber interior

Automatic

Four-wheel Drive

Mike Maroone Chevrolet GMC

4.2

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

Onyx Black exterior

$99,990

Mike Maroone Chevrolet GMC

4.2

2025 GMC Sierra 3500 | new

$99,990

MSRP: $99,990

onyx black exterior, alpine umber interior

Automatic

Four-wheel Drive

Mike Maroone Chevrolet GMC

4.2

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

Summit White exterior

$100,494

Mike Maroone Chevrolet GMC

4.2

2025 GMC Sierra 3500 | new

$100,494

MSRP: $100,494

summit white exterior, alpine umber interior

Automatic

Four-wheel Drive

Mike Maroone Chevrolet GMC

4.2

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

Onyx Black exterior

$105,415

Mike Maroone Chevrolet GMC

4.2

2025 GMC Sierra 3500 | new

$105,415

MSRP: $105,415

onyx black exterior, alpine umber interior

Automatic

Four-wheel Drive

Mike Maroone Chevrolet GMC

4.2

Contact Seller

View Details

2024 GMC Sierra 3500

used

Automatic

Sterling Metallic exterior

Not Priced

Mike Maroone Chevrolet GMC

4.2

2024 GMC Sierra 3500 | used

Not Priced

sterling metallic exterior, jet black w/kalahari accents interior

Automatic

Four-wheel Drive

Mike Maroone Chevrolet GMC

4.2

Contact Seller

View Details

2018 GMC Sierra 3500

used

Automatic

Quicksilver Metallic exterior

$47,998

Colorado Auto Finders

4.0

2018 GMC Sierra 3500 | used

$47,998

quicksilver metallic exterior, jet black interior

Automatic

Four-wheel Drive

Colorado Auto Finders

4.0

Contact Seller

View Details

2014 GMC Sierra 3500

used

Unknown

Summit White exterior

$20,995

Berkenkotter Motors Castle Rock

3.8

2014 GMC Sierra 3500 | used

$20,995

summit white exterior, n/a interior

Unknown

Four-wheel Drive

Berkenkotter Motors Castle Rock

3.8

Contact Seller

View Details

2023 GMC Sierra 3500

used

Automatic

Summit White exterior

$56,888

O'Meara GMC

3.8

2023 GMC Sierra 3500 | used

$56,888

summit white exterior, jet black interior

Automatic

Four-wheel Drive

O'Meara GMC

3.8

Contact Seller

View Details

2012 GMC Sierra 3500

used

Automatic

Onyx Black exterior

$22,400

Berkenkotter Motors

3.6

2012 GMC Sierra 3500 | used

$22,400

onyx black exterior, ebony interior

Automatic

Four-wheel Drive

Berkenkotter Motors

3.6

Contact Seller

View Details

2024 GMC Sierra 3500

used

Automatic

Sterling Metallic exterior

$73,995

Groove Toyota

3.6

2024 GMC Sierra 3500 | used

$73,995

sterling metallic exterior, jet black w/kalahari accents interior

Automatic

Four-wheel Drive

Groove Toyota

3.6

Contact Seller

View Details

2022 GMC Sierra 3500

used

Automatic

White exterior

$47,494

Modern Classic Motors Inc

3.5

2022 GMC Sierra 3500 | used

$47,494

white exterior, n/a interior

Automatic

Four-wheel Drive

Modern Classic Motors Inc

3.5

Contact Seller

View Details

2020 GMC Sierra 3500

used

Automatic

White exterior

$50,912

Modern Classic Motors Inc

3.5

2020 GMC Sierra 3500 | used

$50,912

white exterior, n/a interior

Automatic

Four-wheel Drive

Modern Classic Motors Inc

3.5

Contact Seller

View Details

2022 GMC Sierra 3500

used

Automatic

Onyx Black exterior

$56,494

Modern Classic Motors Inc

3.5

2022 GMC Sierra 3500 | used

$56,494

onyx black exterior, jet black w/kalahari accents interior

Automatic

Four-wheel Drive

Modern Classic Motors Inc

3.5

Contact Seller

View Details

2013 GMC Sierra 3500

used

Automatic

Summit White exterior

$39,488

Johnson Auto Plaza, Inc.

3.3

2013 GMC Sierra 3500 | used

$39,488

summit white exterior, cocoa / light cashmere interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.3

Contact Seller

View Details

2025 GMC Sierra 3500

new

Automatic

Summit White exterior

$67,289

Johnson Auto Plaza, Inc.

3.3

2025 GMC Sierra 3500 | new

$67,289

MSRP: $69,440

summit white exterior, black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.3

Contact Seller

View Details

GMC Sierra 3500 vehicles for Sale in Colorado

136 Results

2025 GMC Sierra 3500 | new

2025 GMC Sierra 3500 | new

2025 GMC Sierra 3500 | new

2025 GMC Sierra 3500 | new

2025 GMC Sierra 3500 | new

2025 GMC Sierra 3500 | new

2025 GMC Sierra 3500 | new

2025 GMC Sierra 3500 | new

2025 GMC Sierra 3500 | new

2025 GMC Sierra 3500 | new

2025 GMC Sierra 3500 | new

2020 GMC Sierra 3500 | used

2020 GMC Sierra 3500 | used

2021 GMC Sierra 3500 | used

2025 GMC Sierra 3500 | new

2024 GMC Sierra 3500 | used

2025 GMC Sierra 3500 | new

2025 GMC Sierra 3500 | new

2025 GMC Sierra 3500 | new

2024 GMC Sierra 3500 | used

2018 GMC Sierra 3500 | used

2014 GMC Sierra 3500 | used

2023 GMC Sierra 3500 | used

2012 GMC Sierra 3500 | used

2024 GMC Sierra 3500 | used

2022 GMC Sierra 3500 | used

2020 GMC Sierra 3500 | used

2022 GMC Sierra 3500 | used

2013 GMC Sierra 3500 | used

2025 GMC Sierra 3500 | new