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Used Cars for SaleGMCSierra 15002025

Used 2025 GMC Sierra 1500 for Sale in Westminster, CO

80030

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Good Price (7)

Great Price (10)

Make, Model & Trim

GMC

Models

Sierra 1500

Acadia (7)

Caballero

Canyon (1)

Envoy

Envoy XL

Envoy XUV

G1500

G2500

G3500

Hummer EV (4)

Jimmy

Other GMC Models

S15 Jimmy

S15 Pickup

Safari

Savana 1500

Savana 2500

Savana 3500

Savana 4500

Sierra 1500 (32)

Sierra 2500 (10)

Sierra 3500 (7)

Sierra EV (1)

Sonoma

Suburban

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Terrain

TopKick C4500

TopKick C5500

Typhoon

Yukon (9)

Yukon XL (12)

Sierra 1500 Trims

Any

AT4 (7)

AT4X (2)

C3

Carrera GTS

Classic

Classic Denali

Denali (3)

Denali Ultimate (1)

Elevation (9)

Limited

Limited AT4

Limited Denali

Limited Elevation

Limited Pro

Limited SLE

Limited SLT

Pro (4)

SL

SLE

SLT (6)

Special

Sport

W/T

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GMC

Models

Sierra 1500

Acadia (7)

Caballero

Canyon (1)

Envoy

Envoy XL

Envoy XUV

G1500

G2500

G3500

Hummer EV (4)

Jimmy

Other GMC Models

S15 Jimmy

S15 Pickup

Safari

Savana 1500

Savana 2500

Savana 3500

Savana 4500

Sierra 1500 (32)

Sierra 2500 (10)

Sierra 3500 (7)

Sierra EV (1)

Sonoma

Suburban

Syclone

Terrain

TopKick C4500

TopKick C5500

Typhoon

Yukon (9)

Yukon XL (12)

Sierra 1500 Trims

Any

AT4 (7)

AT4X (2)

C3

Carrera GTS

Classic

Classic Denali

Denali (3)

Denali Ultimate (1)

Elevation (9)

Limited

Limited AT4

Limited Denali

Limited Elevation

Limited Pro

Limited SLE

Limited SLT

Pro (4)

SL

SLE

SLT (6)

Special

Sport

W/T

XFE

Mileage

Condition (1 selected)

New (12)

Used (32)

Manufacturer Certified (2)

Third-Party Certified (0)

Certified Program

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New (12)

Used (32)

Manufacturer Certified (2)

Third-Party Certified (0)

Certified Program

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Color

Drive Type

Body Style

Truck Cab Size

Crew Cab (31)

Extended Cab (0)

Regular Cab (1)

Crew Cab (31)

Extended Cab (0)

Regular Cab (1)

Truck Bed Length

Short (25)

Medium (7)

Long (0)

Include unspecified lengths (0)

Short (25)

Medium (7)

Long (0)

Include unspecified lengths (0)

Vehicle History

Features

Fuel Type

Fuel Economy

Transmission

Cylinders

Engine Displacement

Number of Seats

Number of Doors

Purchase Options

Seller Type

Sponsored by Red Rock GMC

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Used 2024 GMC Sierra 1500 Pro w/ Pro Value Package

Used 2024 GMC Sierra 1500 Pro w/ Pro Value Package

39,995

Good Price

Similar Match

Red Rock GMC

1 (855) 646-2294

62View Vehicles

32 Matches

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Newly Listed

Used 2025 GMC Sierra 1500 SLT

Used

2025 GMC Sierra 1500

SLT
40K mi

42,996

See payment

Great Price

Sponsored by EchoPark - Thornton

4.83 mi. away

Certified 2025 GMC Sierra 1500 Denali w/ Denali Reserve Package

Certified

2025 GMC Sierra 1500

Denali
19K mi

62,199

See payment

Great Price

Sponsored by Castle Rock Chevrolet GMC

33.97 mi. away

Used 2025 GMC Sierra 1500 Elevation w/ Preferred Package

Used

2025 GMC Sierra 1500

Elevation
5K mi

53,335

See payment

Good Price

Sponsored by Loveland Buick GMC

41.88 mi. away

Delivery

My Wallet

Find it Fast.

Keep it Affordable.

Monthly Payment

Credit Score

Excellent (740-900)

Very Good (700-739)

Good (670-699)

Fair (630-669)

Rebuilding (580-629)

Verify My Credit

Down Payment

Trade-In Value

Est. Trade-In Value

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Amount Owed on Trade-In

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$

Based on 4.5% APR for mos.Update Settings

Price Drop360°

Used 2025 GMC Sierra 1500 SLT

Used

2025 GMC Sierra 1500

SLT
54K mi

41,523

See payment

Good Price

O'Meara Volkswagen of Thornton

4.03 mi. away

Online Paperwork

Used 2025 GMC Sierra 1500 Elevation w/ Elevation Premium Package

Used

2025 GMC Sierra 1500

Elevation
4K mi

62,500

See payment

Private Seller Exchange

11.13 mi. away

Buy Online. Clean title. No Hassle

New 2026 GMC Sierra 1500 Denali w/ Denali Reserve Package

Consider New, Similar Payment

2026 GMC Sierra 1500

Denali
4 mi

69,360

Castle Rock Chevrolet GMC

33.97 mi. away

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Newly Listed

Used 2025 GMC Sierra 1500 Pro w/ Graphite Edition

Used

2025 GMC Sierra 1500

Pro
5K mi

39,487

See payment

Great Price

EchoPark - Centennial

18.56 mi. away

Used 2025 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used

2025 GMC Sierra 1500

AT4
4K mi

60,439

See payment

Great Price

Land Rover Flatirons

8.99 mi. away

Newly Listed

Used 2025 GMC Sierra 1500 SLT

Used

2025 GMC Sierra 1500

SLT
40K mi

42,996

See payment

Great Price

EchoPark - Thornton

4.83 mi. away

Certified 2025 GMC Sierra 1500 Elevation

Certified

2025 GMC Sierra 1500

Elevation
3K mi

43,000

See payment

Great Price

Mike Maroone Cadillac

17.11 mi. away

360°

Used 2025 GMC Sierra 1500 SLT

Used

2025 GMC Sierra 1500

SLT
42K mi

48,995

See payment

O'Meara GMC

3.99 mi. away

Online Paperwork
Delivery

Advertisement

Price Drop

Used 2025 GMC Sierra 1500 SLT

Used

2025 GMC Sierra 1500

SLT
38K mi

42,996

See payment

Great Price

EchoPark - Thornton

4.83 mi. away

Newly Listed

Used 2025 GMC Sierra 1500 Pro w/ Graphite Edition

Used

2025 GMC Sierra 1500

Pro
31K mi

38,996

See payment

Great Price

EchoPark - Centennial

18.56 mi. away

Newly Listed

Used 2025 GMC Sierra 1500 Pro w/ Graphite Edition

Used

2025 GMC Sierra 1500

Pro
3K mi

39,795

See payment

ClearShift

18.6 mi. away

Used 2025 GMC Sierra 1500 Elevation w/ Preferred Package

Used

2025 GMC Sierra 1500

Elevation
3K mi

52,495

See payment

Good Price

Fisher Auto Group

15.7 mi. away

Advertisement

Used 2025 GMC Sierra 1500 SLT

Used

2025 GMC Sierra 1500

SLT
38K mi

43,487

See payment

Great Price

EchoPark - Thornton

4.83 mi. away

Newly Listed

Used 2025 GMC Sierra 1500 SLT

Used

2025 GMC Sierra 1500

SLT
44K mi

42,996

See payment

Great Price

EchoPark - Centennial

18.56 mi. away

Used 2025 GMC Sierra 1500 Elevation w/ Preferred Package

Used

2025 GMC Sierra 1500

Elevation
16K mi

49,991

See payment

Great Price

ClearShift

18.6 mi. away

Used 2025 GMC Sierra 1500 Elevation w/ Preferred Package

Used

2025 GMC Sierra 1500

Elevation
5K mi

53,335

See payment

Good Price

Loveland Buick GMC

41.88 mi. away

Delivery

Used 2025 GMC Sierra 1500 Elevation w/ Elevation Premium Package

Used

2025 GMC Sierra 1500

Elevation
21K mi

51,691

See payment

Good Price

ClearShift

18.6 mi. away

Used 2025 GMC Sierra 1500 AT4

Used

2025 GMC Sierra 1500

AT4
31K mi

55,495

See payment

Good Price

ClearShift

18.6 mi. away

Used 2025 GMC Sierra 1500 AT4

Used

2025 GMC Sierra 1500

AT4
23K mi

56,929

See payment

Good Price

ClearShift

18.6 mi. away

Newly Listed

Used 2025 GMC Sierra 1500 Denali Ultimate

Used

2025 GMC Sierra 1500

Denali Ultimate
19K mi

69,795

See payment

ClearShift

18.6 mi. away

Used 2025 GMC Sierra 1500 Elevation w/ Preferred Package

Used

2025 GMC Sierra 1500

Elevation
6K mi

52,861

See payment

Prestige Chrysler Dodge Jeep Inc

23.14 mi. away

Certified 2025 GMC Sierra 1500 Denali w/ Denali Reserve Package

Certified

2025 GMC Sierra 1500

Denali
19K mi

62,199

See payment

Great Price

Castle Rock Chevrolet GMC

33.97 mi. away

Used 2025 GMC Sierra 1500 AT4 w/ Technology Package

Used

2025 GMC Sierra 1500

AT4
28K mi

58,791

See payment

ClearShift

18.6 mi. away

Used 2025 GMC Sierra 1500 AT4X

Used

2025 GMC Sierra 1500

AT4X
13K mi

67,990

See payment

Porsche Fort Collins

49.59 mi. away

Used 2025 GMC Sierra 1500 Denali w/ Denali Reserve Package

Used

2025 GMC Sierra 1500

Denali
19K mi

60,569

See payment

ClearShift

39.97 mi. away

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Used 2025 GMC Sierra 1500 Elevation for Sale
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