2025 GMC Sierra 3500

new

Automatic

White Frost Tri-Coat exterior

$89,488

Johnson Auto Plaza, Inc.

3.4

2025 GMC Sierra 3500 | new

$89,488

MSRP: $93,555

white frost tri-coat exterior, jet black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.4

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2025 GMC Sierra 3500

new

Automatic

Sterling exterior

$90,799

Johnson Auto Plaza, Inc.

3.4

2025 GMC Sierra 3500 | new

$90,799

MSRP: $94,890

sterling exterior, jet black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.4

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2025 GMC Sierra 3500

new

Automatic

White Frost Tri-Coat exterior

$91,355

Johnson Auto Plaza, Inc.

3.4

2025 GMC Sierra 3500 | new

$91,355

MSRP: $95,490

white frost tri-coat exterior, jet black interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.4

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2025 GMC Sierra 3500

new

Automatic

White Frost Tri-Coat exterior

$91,355

Johnson Auto Plaza, Inc.

3.4

2025 GMC Sierra 3500 | new

$91,355

MSRP: $95,490

white frost tri-coat exterior, atmosphere interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.4

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2025 GMC Sierra 3500

new

Automatic

Sterling exterior

$98,467

Johnson Auto Plaza, Inc.

3.4

2025 GMC Sierra 3500 | new

$98,467

MSRP: $101,555

sterling exterior, alpine umber interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.4

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2025 GMC Sierra 3500

new

Automatic

White Frost Tri-Coat exterior

$98,773

Johnson Auto Plaza, Inc.

3.4

2025 GMC Sierra 3500 | new

$98,773

MSRP: $101,880

white frost tri-coat exterior, alpine umber interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.4

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2025 GMC Sierra 3500

new

Automatic

White Frost Tri-Coat exterior

$101,486

Johnson Auto Plaza, Inc.

3.4

2025 GMC Sierra 3500 | new

$101,486

MSRP: $104,710

white frost tri-coat exterior, alpine umber interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.4

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2025 GMC Sierra 3500

new

Automatic

Titanium Rush Metallic exterior

$101,644

Johnson Auto Plaza, Inc.

3.4

2025 GMC Sierra 3500 | new

$101,644

MSRP: $104,880

titanium rush metallic exterior, alpine umber interior

Automatic

Four-wheel Drive

Johnson Auto Plaza, Inc.

3.4

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2016 GMC Sierra 3500

used

Unknown

Onyx Black exterior

$32,999

Victory Motors of Colorado

3.0

2016 GMC Sierra 3500 | used

$32,999

onyx black exterior, black interior

Unknown

Four-wheel Drive

Victory Motors of Colorado

3.0

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2025 GMC Sierra 3500

new

Automatic

Summit White exterior

$66,089

Shortline Buick GMC

1.6

2025 GMC Sierra 3500 | new

$66,089

MSRP: $70,250

summit white exterior, jet black interior

Automatic

Four-wheel Drive

Shortline Buick GMC

1.6

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2025 GMC Sierra 3500

new

Automatic

Sterling Metallic exterior

$66,584

Shortline Buick GMC

1.6

2025 GMC Sierra 3500 | new

$66,584

MSRP: $70,745

sterling metallic exterior, jet black interior

Automatic

Four-wheel Drive

Shortline Buick GMC

1.6

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2025 GMC Sierra 3500

new

Automatic

Summit White exterior

$68,540

Shortline Buick GMC

1.6

2025 GMC Sierra 3500 | new

$68,540

MSRP: $68,540

summit white exterior, black interior

Automatic

Four-wheel Drive

Shortline Buick GMC

1.6

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2025 GMC Sierra 3500

new

Automatic

Volcanic Red Tintcoat exterior

$81,369

Shortline Buick GMC

1.6

2025 GMC Sierra 3500 | new

$81,369

MSRP: $85,530

volcanic red tintcoat exterior, jet black interior

Automatic

Four-wheel Drive

Shortline Buick GMC

1.6

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2025 GMC Sierra 3500

new

Automatic

Volcanic Red Tintcoat exterior

$86,840

Shortline Buick GMC

1.6

2025 GMC Sierra 3500 | new

$86,840

MSRP: $86,840

volcanic red tintcoat exterior, jet black interior

Automatic

Four-wheel Drive

Shortline Buick GMC

1.6

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2025 GMC Sierra 3500

new

Automatic

Summit White exterior

$89,409

Shortline Buick GMC

1.6

2025 GMC Sierra 3500 | new

$89,409

MSRP: $91,820

summit white exterior, jet black interior

Automatic

Four-wheel Drive

Shortline Buick GMC

1.6

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2025 GMC Sierra 3500

new

Automatic

Onyx Black exterior

$89,710

Shortline Buick GMC

1.6

2025 GMC Sierra 3500 | new

$89,710

MSRP: $89,710

onyx black exterior, jet black w/kalahari accents interior

Automatic

Four-wheel Drive

Shortline Buick GMC

1.6

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2025 GMC Sierra 3500

new

Automatic

Titanium Rush Metallic exterior

$89,754

Shortline Buick GMC

1.6

2025 GMC Sierra 3500 | new

$89,754

MSRP: $92,165

titanium rush metallic exterior, jet black interior

Automatic

Four-wheel Drive

Shortline Buick GMC

1.6

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2025 GMC Sierra 3500

new

Automatic

Sterling Metallic exterior

$96,210

Shortline Buick GMC

1.6

2025 GMC Sierra 3500 | new

$96,210

MSRP: $96,210

sterling metallic exterior, jet black interior

Automatic

Four-wheel Drive

Shortline Buick GMC

1.6

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2025 GMC Sierra 3500

new

Automatic

White Frost Tricoat exterior

$100,494

Shortline Buick GMC

1.6

2025 GMC Sierra 3500 | new

$100,494

MSRP: $101,905

white frost tricoat exterior, alpine umber interior

Automatic

Four-wheel Drive

Shortline Buick GMC

1.6

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2025 GMC Sierra 3500

new

Automatic

White Frost Tricoat exterior

$105,850

Shortline Buick GMC

1.6

2025 GMC Sierra 3500 | new

$105,850

MSRP: $105,850

white frost tricoat exterior, alpine umber interior

Automatic

Four-wheel Drive

Shortline Buick GMC

1.6

Contact Seller

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2018 GMC Sierra 3500

used

Automatic

Silver exterior

$21,500

Lakeside Auto Brokers

N/A

2018 GMC Sierra 3500 | used

$21,500

silver exterior, black interior

Automatic

Four-wheel Drive

Lakeside Auto Brokers

N/A

Contact Seller

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2015 GMC Sierra 3500

used

Automatic

White exterior

$28,988

Country Truck & Auto

N/A

2015 GMC Sierra 3500 | used

$28,988

white exterior, black interior

Automatic

Rear-wheel Drive

Country Truck & Auto

N/A

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2015 GMC Sierra 3500

used

Automatic

Silver exterior

$28,988

Country Truck & Auto

N/A

2015 GMC Sierra 3500 | used

$28,988

silver exterior, gray interior

Automatic

Four-wheel Drive

Country Truck & Auto

N/A

Contact Seller

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2016 GMC Sierra 3500

used

Automatic

White exterior

$32,988

Country Truck & Auto

N/A

2016 GMC Sierra 3500 | used

$32,988

white exterior, gray interior

Automatic

Four-wheel Drive

Country Truck & Auto

N/A

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2011 GMC Sierra 3500

used

Automatic

Summit White exterior

$45,999

Red's Auto & Truck

N/A

2011 GMC Sierra 3500 | used

$45,999

summit white exterior, cocoa/light cashmere interior

Automatic

Four-wheel Drive

Red's Auto & Truck

N/A

Contact Seller

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2021 GMC Sierra 3500

used

Automatic

Summit White exterior

$52,159

Loveland Buick GMC

N/A

2021 GMC Sierra 3500 | used

$52,159

summit white exterior, jet black interior

Automatic

Four-wheel Drive

Loveland Buick GMC

N/A

Contact Seller

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2022 GMC Sierra 3500

used

Automatic

Ebony Twilight Metallic exterior

$54,353

Auto Mart USA

N/A

2022 GMC Sierra 3500 | used

$54,353

ebony twilight metallic exterior, jet black interior

Automatic

Four-wheel Drive

Auto Mart USA

N/A

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2020 GMC Sierra 3500

used

Automatic

Carbon Black Metallic exterior

$54,400

Lakeside Auto Brokers

N/A

2020 GMC Sierra 3500 | used

$54,400

carbon black metallic exterior, jet black interior

Automatic

Four-wheel Drive

Lakeside Auto Brokers

N/A

Contact Seller

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2025 GMC Sierra 3500

new

Automatic

Summit White exterior

$56,577

Ferguson Buick GMC

N/A

2025 GMC Sierra 3500 | new

$56,577

MSRP: $64,315

summit white exterior, jet black interior

Automatic

Four-wheel Drive

Ferguson Buick GMC

N/A

Contact Seller

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2021 GMC Sierra 3500

used

Automatic

Onyx Black exterior

$63,999

Red's Auto & Truck

N/A

2021 GMC Sierra 3500 | used

$63,999

onyx black exterior, jet black interior

Automatic

Four-wheel Drive

Red's Auto & Truck

N/A

Contact Seller

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GMC Sierra 3500 vehicles for Sale in Colorado

164 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

2016 GMC Sierra 3500 | used

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

2018 GMC Sierra 3500 | used

2015 GMC Sierra 3500 | used

2015 GMC Sierra 3500 | used

2016 GMC Sierra 3500 | used

2011 GMC Sierra 3500 | used

2021 GMC Sierra 3500 | used

2022 GMC Sierra 3500 | used

2020 GMC Sierra 3500 | used

2025 GMC Sierra 3500 | new

2021 GMC Sierra 3500 | used