Skip to main content
Skip to Filters
76 listings
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 5'10” bed, 5.3l, 8cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 Elevation, has a Summit White exterior color and a Jet Black interior color with 0 miles. The Stock Number is T55159...

    Features and Specs:

    Listing Information:

    VIN: 1GTUUCED6SZ131662
    Stock: T55159
    Listed since: 10-29-2024

  • New Listing
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 5'10” bed, 5.3l, 8cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 Elevation, has a Summit White exterior color and a Jet Black interior color with 0 miles. The Stock Number is T56318...

    Features and Specs:

    Listing Information:

    VIN: 3GTUUCED4SG276490
    Stock: T56318
    Listed since: 08-26-2025

    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 5'10” bed, 3l, 6cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 Denali, has a Onyx Black exterior color and a Jet Black interior color with 0 miles. The Stock Number is T55874. You...

    Features and Specs:

    Listing Information:

    VIN: 3GTPHGE82SG323964
    Stock: T55874
    Listed since: 06-10-2025

    • Exterior color: Downpour MetallicDownpour Metallic
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 5'10” bed, 6.2l, 8cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 Denali, has a Downpour Metallic exterior color and a Jet Black interior color with 0 miles. The Stock Number is T560...

    Features and Specs:

    Listing Information:

    VIN: 1GTUUGEL7SZ300165
    Stock: T56017
    Listed since: 06-02-2025

  • Advertisement

    10 Offers Nearby

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 5 Colors
    • 1 Trim
    • 8 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black leatherJet Black leather
    • 5'10” bed, 5.3l, 8cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 SLT, has a Onyx Black exterior color and a Jet Black interior color with 0 miles. The Stock Number is T56037. You ca...

    Features and Specs:

    17 Combined MPG (15 City/19 Highway)

    Listing Information:

    VIN: 3GTUUDED3SG356983
    Stock: T56037
    Listed since: 06-10-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 5'10” bed, 6.2l, 8cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 Denali, has a Sterling Metallic exterior color and a Jet Black interior color with 0 miles. The Stock Number is T560...

    Features and Specs:

    Listing Information:

    VIN: 1GTUUGEL8SZ305343
    Stock: T56041
    Listed since: 06-17-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 5'10” bed, 2.7l, 4cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 Elevation, has a Summit White exterior color and a Jet Black interior color with 0 miles. The Stock Number is T56293...

    Features and Specs:

    18 Combined MPG (17 City/19 Highway)

    Listing Information:

    VIN: 3GTPUJEK4SG342388
    Stock: T56293
    Listed since: 08-15-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 5'10” bed, 2.7l, 4cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 Pro, has a Summit White exterior color and a Jet Black interior color with 0 miles. The Stock Number is T55782. You ...

    Features and Specs:

    19 Combined MPG (18 City/21 Highway)

    Listing Information:

    VIN: 1GTPHAEK6SZ258612
    Stock: T55782
    Listed since: 05-14-2025

  • Advertisement

    10 Offers Nearby

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 5 Colors
    • 1 Trim
    • 8 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 5'10” bed, 6.2l, 8cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 Denali, has a Onyx Black exterior color and a Jet Black interior color with 0 miles. The Stock Number is T56028. You...

    Features and Specs:

    Listing Information:

    VIN: 1GTUUGEL3SZ301930
    Stock: T56028
    Listed since: 06-03-2025

    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 5'10” bed, 5.3l, 8cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 Denali, has a Onyx Black exterior color and a Jet Black interior color with 0 miles. The Stock Number is T56215. You...

    Features and Specs:

    17 Combined MPG (16 City/20 Highway)

    Listing Information:

    VIN: 3GTPHGED5SG376980
    Stock: T56215
    Listed since: 07-25-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 8'2” bed, 2.7l, 4cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 Pro, has a Summit White exterior color and a Jet Black interior color with 0 miles. The Stock Number is T55125. You ...

    Features and Specs:

    18 Combined MPG (17 City/19 Highway)

    Listing Information:

    VIN: 3GTNUAEKXSG123104
    Stock: T55125
    Listed since: 10-25-2024

    • Interior color: Jet Black premium leatherJet Black premium leather
    • 5'10” bed, 6.2l, 8cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 Denali, has a Titanium Rush Metallic exterior color and a Jet Black interior color with 0 miles. The Stock Number is...

    Features and Specs:

    Listing Information:

    VIN: 1GTUUGEL4SZ301788
    Stock: T56029
    Listed since: 06-17-2025

  • Advertisement

    10 Offers Nearby

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 5 Colors
    • 1 Trim
    • 8 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Jet Black w/Kalahari Accents leatherJet Black w/Kalahari Accents leather
    • 5'10” bed, 6.2l, 8cyl
    • Thorson Motor Center (5 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pasadena, CA / 5 miles away from Monrovia, CA

    This 2025 GMC Sierra 1500 AT4, has a Titanium Rush Metallic exterior color and a Jet Black with Kalahari accents interior color with 0 miles. ...

    Features and Specs:

    Listing Information:

    VIN: 3GTUUEEL4SG301570
    Stock: T56143
    Listed since: 08-15-2025

  • Stock photo**
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black leatherJet Black leather
    • 6'7” bed, 6.2l, 8cyl
    • Simpson Buick GMC (18 mi away)5 out of 5 stars(4)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Buena Park, CA / 18 miles away from Monrovia, CA

    Summit White 2025 GMC Sierra 1500 EcoTec3 6.2L V8SLT 10-Speed Automatic, 4WD, Jet Black Leather.All Roads Lead to Simpson.

    Features and Specs:

    Listing Information:

    VIN: 3GTUUDEL7SG215373
    Stock: 215373DT
    Listed since: 07-17-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Jet Black clothJet Black cloth
    • 5'10” bed, 2.7l, 4cyl
    • Simpson Buick GMC (18 mi away)5 out of 5 stars(4)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Buena Park, CA / 18 miles away from Monrovia, CA

    Sterling Metallic 2025 GMC Sierra 1500 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hpElevation 8-Speed Automatic, Black Cloth.All Roads Lead to Simp...

    Features and Specs:

    19 Combined MPG (18 City/21 Highway)

    Listing Information:

    VIN: 3GTPHCEK7SG335533
    Stock: 335533
    Listed since: 05-22-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 6'7” bed, 3l, 6cyl
    • Simpson Buick GMC (18 mi away)5 out of 5 stars(4)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Buena Park, CA / 18 miles away from Monrovia, CA

    Summit White 2025 GMC Sierra 1500 3.0L I6 22/26 City/Highway MPGElevation 10-Speed Automatic, 4WD, Black Cloth.All Roads Lead to Simpson.

    Features and Specs:

    Listing Information:

    VIN: 1GTVUCE85SZ274576
    Stock: 274576
    Listed since: 05-08-2025

  • Advertisement

    10 Offers Nearby

    2025 GMC Sierra 1500
    $65,400
    starting MSRP
    • 5 Colors
    • 1 Trim
    • 8 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 5'10” bed, 6.2l, 8cyl
    • Simpson Buick GMC (18 mi away)5 out of 5 stars(4)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Buena Park, CA / 18 miles away from Monrovia, CA

    Onyx Black 2025 GMC Sierra 1500 EcoTec3 6.2L V8Denali 10-Speed Automatic, 4WD, Black Leather.All Roads Lead to Simpson.

    Features and Specs:

    Listing Information:

    VIN: 3GTUUGEL7SG314132
    Stock: 314132
    Listed since: 05-06-2025

  • Stock photo**
    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 5'10” bed, 6.2l, 8cyl
    • Simpson Buick GMC (18 mi away)5 out of 5 stars(4)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Buena Park, CA / 18 miles away from Monrovia, CA

    Onyx Black 2025 GMC Sierra 1500 EcoTec3 6.2L V8Denali 10-Speed Automatic, 4WD, Black Leather.All Roads Lead to Simpson.

    Features and Specs:

    Listing Information:

    VIN: 3GTUUGEL8SG368121
    Stock: 368121
    Listed since: 07-16-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Jet Black clothJet Black cloth
    • 5'10” bed, 2.7l, 4cyl
    • Simpson Buick GMC (18 mi away)5 out of 5 stars(4)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Buena Park, CA / 18 miles away from Monrovia, CA

    Sterling Metallic 2025 GMC Sierra 1500 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hpElevation 8-Speed Automatic, Black Cloth.All Roads Lead to Simp...

    Features and Specs:

    19 Combined MPG (18 City/21 Highway)

    Listing Information:

    VIN: 3GTPHCEK4SG335537
    Stock: 335537
    Listed since: 05-21-2025

  • Stock photo**
    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black clothJet Black cloth
    • 6'7” bed, 2.7l, 4cyl
    • Simpson Buick GMC (18 mi away)5 out of 5 stars(4)
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    • USB Inputs
    Close

    Located in Buena Park, CA / 18 miles away from Monrovia, CA

    Onyx Black 2025 GMC Sierra 1500 2.7L I4 Turbocharged DOHC 16V LEV3-SULEV30 310hpPro 8-Speed Automatic, Jet Blk Clth Vinyl.All Roads Lead to Simpson.

    Features and Specs:

    19 Combined MPG (18 City/21 Highway)

    Listing Information:

    VIN: 1GTRHAEK9SZ337152
    Stock: 337152
    Listed since: 07-17-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 5'10” bed, 6.2l, 8cyl
    • Simpson Buick GMC (18 mi away)5 out of 5 stars(4)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Buena Park, CA / 18 miles away from Monrovia, CA

    Sterling Metallic 2025 GMC Sierra 1500 EcoTec3 6.2L V8Denali 10-Speed Automatic, 4WD, Black Leather.All Roads Lead to Simpson.

    Features and Specs:

    Listing Information:

    VIN: 3GTUUGEL9SG319722
    Stock: 319722
    Listed since: 05-26-2025

Showing 1 - 21 out of 76 listings
Filters
Skip to Results

Applied Filters3Active

Location

Search radius25 miles
Search radius

Make & Model

Year

New / Used

Price & Payments

Price Rating

Trim

Truck Details

Mileage

Accidents & History

Engine & Drivetrain

Exterior Color

Interior Color

Total Seating

Edmunds Review

Features

Options & Packages

MPG

Listing Details