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190 listings
  • $52,470
    MSRP $55,220
    • Honor GMC (31 mi away)
    • HD Rear Vision Camer...
    • Apple CarPlay
    • Remote Keyless Entry
    • Wireless Phone Proje...
    • Automatic Emergency ...
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    Located in National City, CA / 31 miles away from San Marcos, CA

    Sierra 2500HD Summit White 2025 GMC ProDouble Cab 4WD 10-Speed Automatic6.6L V8 Price includes: $2750 - Purchase Allowance. Exp. 04/30/2025

    Features and Specs:

    Listing Information:

    VIN: 1GT5ULE79SF140534
    Stock: SF140534
    Listed since: 01-15-2025

    • Honor GMC (31 mi away)
    • Full Grain Leather S...
    • Heated Driver & Fron...
    • Power Sunroof
    • Apple CarPlay
    • Rear Cross Traffic A...
    Close

    Located in National City, CA / 31 miles away from San Marcos, CA

    Sierra 2500HD White Frost Tricoat 2025 GMC Denali Ultimate4D Crew Cab 4WD 10-Speed AutomaticDuramax 6.6L V8 Turbodiesel

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEY3SF231875
    Stock: SF231875
    Listed since: 02-25-2025

    • Honor GMC (31 mi away)
    • Full Grain Leather S...
    • Heated Driver & Fron...
    • Power Sunroof
    • Apple CarPlay
    • Rear Cross Traffic A...
    Close

    Located in National City, CA / 31 miles away from San Marcos, CA

    Sierra 2500HD Onyx Black 2025 GMC Denali Ultimate4D Crew Cab 4WD 10-Speed AutomaticDuramax 6.6L V8 Turbodiesel

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEY6SF234009
    Stock: SF234009
    Listed since: 02-11-2025

  • New Listing
    $78,525
    MSRP $81,275
    • Honor GMC (31 mi away)
    • Perf Leather-Appoint...
    • Heated Driver & Fron...
    • HD Rear Vision Camer...
    • Apple CarPlay
    • Rear Cross Traffic A...
    Close

    Located in National City, CA / 31 miles away from San Marcos, CA

    Sierra 2500HD Summit White 2025 GMC SLT4D Crew Cab 4WD 10-Speed AutomaticDuramax 6.6L V8 Turbodiesel Recent Arrival! Price includes: $2750 - Purchas...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UNEY4SF291751
    Stock: SF291751
    Listed since: 04-23-2025

  • Advertisement

    Special offers available

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
      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.
      • Laguna Niguel GMC (42 mi away)
      • Four Wheel Drive
      • Alpine umber full g...
      • Heated Front Seat(s)
      • Generic Sun/Moonroof
      • Back-Up Camera
      Close

      Located in Laguna Niguel, CA / 42 miles away from San Marcos, CA

      2025 GMC Sierra 2500HD Denali Ultimate Denali Ultimate Onyx BlackCadillac of Laguna Niguel & Laguna Niguel GMC.

      Features and Specs:

      Listing Information:

      VIN: 1GT4UXEY8SF251801
      Stock: SF251801
      Listed since: 03-27-2025

    • $77,496
      MSRP $82,610
      • Laguna Niguel GMC (42 mi away)
      • Four Wheel Drive
      • Leather Seats
      • Heated Front Seat(s)
      • Sunroof power
      • Back-Up Camera
      Close

      Located in Laguna Niguel, CA / 42 miles away from San Marcos, CA

      2025 GMC Sierra 2500HD SLT SLT Onyx BlackCadillac of Laguna Niguel & Laguna Niguel GMC. Price includes: $2750 - Buick & GMC Consumer Cash Program. Exp...

      Features and Specs:

      Listing Information:

      VIN: 1GT4UNEY6SF113002
      Stock: SF113002
      Listed since: 08-23-2024

    • $76,653
      MSRP $81,620
      • Laguna Niguel GMC (42 mi away)
      • Four Wheel Drive
      • Leather Seats
      • Heated Front Seat(s)
      • Back-Up Camera
      • Apple CarPlay
      Close

      Located in Laguna Niguel, CA / 42 miles away from San Marcos, CA

      2025 GMC Sierra 2500HD SLT SLT Summit WhiteCadillac of Laguna Niguel & Laguna Niguel GMC. Price includes: $2750 - Buick & GMC Consumer Cash Program. E...

      Features and Specs:

      Listing Information:

      VIN: 1GT4UNEY6SF247668
      Stock: SF247668
      Listed since: 03-01-2025

    • $77,094
      MSRP $82,115
      • Laguna Niguel GMC (42 mi away)
      • Four Wheel Drive
      • Leather Seats
      • Heated Front Seat(s)
      • Back-Up Camera
      • Apple CarPlay
      Close

      Located in Laguna Niguel, CA / 42 miles away from San Marcos, CA

      2025 GMC Sierra 2500HD SLT SLT Onyx BlackCadillac of Laguna Niguel & Laguna Niguel GMC. Price includes: $2750 - Buick & GMC Consumer Cash Program. Exp...

      Features and Specs:

      Listing Information:

      VIN: 1GT4UNEY3SF247451
      Stock: SF247451
      Listed since: 03-27-2025

    • Advertisement

      Special offers available

      2025 GMC Sierra 2500HD
      $46,300
      starting MSRP
        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.
        • Laguna Niguel GMC (42 mi away)
        • Four Wheel Drive
        • Obsidian rush full ...
        • Heated Front Seat(s)
        • Generic Sun/Moonroof
        • Back-Up Camera
        Close

        Located in Laguna Niguel, CA / 42 miles away from San Marcos, CA

        2025 GMC Sierra 2500HD AT4X AT4X Onyx BlackCadillac of Laguna Niguel & Laguna Niguel GMC.

        Features and Specs:

        Listing Information:

        VIN: 1GT4UZEY9SF245646
        Stock: SF245646
        Listed since: 03-14-2025

        • Laguna Niguel GMC (42 mi away)
        • Four Wheel Drive
        • Alpine umber full g...
        • Heated Front Seat(s)
        • Generic Sun/Moonroof
        • Back-Up Camera
        Close

        Located in Laguna Niguel, CA / 42 miles away from San Marcos, CA

        2025 GMC Sierra 2500HD Denali Ultimate Denali Ultimate Sterling MetallicCadillac of Laguna Niguel & Laguna Niguel GMC.

        Features and Specs:

        Listing Information:

        VIN: 1GT4UXEY8SF251779
        Stock: SF251779
        Listed since: 03-27-2025

      • $84,188
        MSRP $89,760
        • Laguna Niguel GMC (42 mi away)
        • Four Wheel Drive
        • Jet black forge per...
        • Heated Front Seat(s)
        • Sunroof power
        • Back-Up Camera
        Close

        Located in Laguna Niguel, CA / 42 miles away from San Marcos, CA

        2025 GMC Sierra 2500HD Denali Denali Titanium Rush MetallicCadillac of Laguna Niguel & Laguna Niguel GMC. Price includes: $1000 - GM Bonus Cash. Exp. ...

        Features and Specs:

        Listing Information:

        VIN: 1GT4UREYXSF132322
        Stock: SF132322
        Listed since: 09-16-2024

      • $86,605
        MSRP $91,255
        • Tustin Buick GMC (56 mi away)4.27 out of 5 stars(15)
        • Forge Perforated Lea...
        • Heated Driver & Fron...
        • Apple CarPlay
        • Rear Cross Traffic A...
        • Remote keyless entry
        Close

        Located in Tustin, CA / 56 miles away from San Marcos, CA

        2025 GMC Sierra 2500HD Onyx Black 10-Speed Automatic, 4WD, Jet Blk Forge Perforated Leather.Net Cost includes a Factory Rebate, if applicable, on th...

        Features and Specs:

        Listing Information:

        VIN: 1GT4UREY8SF257741
        Stock: SI12301
        Listed since: 03-26-2025

      • Advertisement

        Special offers available

        2025 GMC Sierra 2500HD
        $46,300
        starting MSRP
          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.
        • $90,346
          MSRP $93,210
          • Tustin Buick GMC (56 mi away)4.27 out of 5 stars(15)
          • 4WD
          • Forge Perforated Lea...
          • Heated Driver & Fron...
          • Power Sunroof
          • Apple CarPlay
          Close

          Located in Tustin, CA / 56 miles away from San Marcos, CA

          2025 GMC Sierra 2500HD Sterling 10-Speed Automatic, 4WD, Jet Blk Forge Perforated Leather.Net Cost includes a Factory Rebate, if applicable, on this...

          Features and Specs:

          Listing Information:

          VIN: 1GT4UREY1SF267334
          Stock: SI12420
          Listed since: 04-10-2025

        • $83,211
          MSRP $87,720
          • Tustin Buick GMC (56 mi away)4.27 out of 5 stars(15)
          • Forge Perforated Lea...
          • Heated Driver & Fron...
          • Power Sunroof
          • Apple CarPlay
          • Rear Cross Traffic A...
          Close

          Located in Tustin, CA / 56 miles away from San Marcos, CA

          2025 GMC Sierra 2500HD Summit White 10-Speed Automatic, 4WD, Jet Blk Forge Perforated Leather.Net Cost includes a Factory Rebate, if applicable, on ...

          Features and Specs:

          Listing Information:

          VIN: 1GT4UREY8SF252135
          Stock: SI12283
          Listed since: 03-26-2025

        • $86,605
          MSRP $91,255
          • Tustin Buick GMC (56 mi away)4.27 out of 5 stars(15)
          • Forge Perforated Lea...
          • Heated Driver & Fron...
          • Apple CarPlay
          • Rear Cross Traffic A...
          • Remote keyless entry
          Close

          Located in Tustin, CA / 56 miles away from San Marcos, CA

          2025 GMC Sierra 2500HD Downpour Met 10-Speed Automatic, 4WD, Jet Blk Forge Perforated Leather.Net Cost includes a Factory Rebate, if applicable, on ...

          Features and Specs:

          Listing Information:

          VIN: 1GT4UREY0SF257765
          Stock: SI12300
          Listed since: 03-26-2025

        • $84,086
          MSRP $87,590
          • Tustin Buick GMC (56 mi away)4.27 out of 5 stars(15)
          • Perforated Leather-A...
          • Heated Driver & Fron...
          • Apple CarPlay
          • Rear Cross Traffic A...
          • Remote keyless entry
          Close

          Located in Tustin, CA / 56 miles away from San Marcos, CA

          2025 GMC Sierra 2500HD Summit White 10-Speed Automatic, 4WD, Jet Blk With Kalahari Acc Leather.Net Cost includes a Factory Rebate, if applicable, on...

          Features and Specs:

          Listing Information:

          VIN: 1GT4UPEY0SF255325
          Stock: SI12290
          Listed since: 03-26-2025

        • Advertisement

          Special offers available

          2025 GMC Sierra 2500HD
          $46,300
          starting MSRP
            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.
          • $86,605
            MSRP $91,255
            • Tustin Buick GMC (56 mi away)4.27 out of 5 stars(15)
            • Forge Perforated Lea...
            • Heated Driver & Fron...
            • Apple CarPlay
            • Rear Cross Traffic A...
            • Remote keyless entry
            Close

            Located in Tustin, CA / 56 miles away from San Marcos, CA

            2025 GMC Sierra 2500HD Titainium 10-Speed Automatic, 4WD, Jet Blk Forge Perforated Leather.Net Cost includes a Factory Rebate, if applicable, on thi...

            Features and Specs:

            Listing Information:

            VIN: 1GT4UREY2SF257606
            Stock: SI12302
            Listed since: 03-26-2025

            • Tustin Buick GMC (56 mi away)4.27 out of 5 stars(15)
            • 4WD
            • Full Grain Leather S...
            • Heated Driver & Fron...
            • Power Sunroof
            • Apple CarPlay
            Close

            Located in Tustin, CA / 56 miles away from San Marcos, CA

            2025 GMC Sierra 2500HD Summit White 10-Speed Automatic, 4WD, Alpine Umber Full Grain L Leather.Net Cost includes a Factory Rebate, if applicable, on...

            Features and Specs:

            Listing Information:

            VIN: 1GT4UXEY7SF263101
            Stock: SI12378
            Listed since: 04-01-2025

          • $84,966
            MSRP $87,720
            • Tustin Buick GMC (56 mi away)4.27 out of 5 stars(15)
            • Forge Perforated Lea...
            • Heated Driver & Fron...
            • Apple CarPlay
            • Rear Cross Traffic A...
            • Remote keyless entry
            Close

            Located in Tustin, CA / 56 miles away from San Marcos, CA

            2025 GMC Sierra 2500HD Summit White 10-Speed Automatic, 4WD, Jet Blk Forge Perforated Leather.Net Cost includes a Factory Rebate, if applicable, on ...

            Features and Specs:

            Listing Information:

            VIN: 1GT4UREY8SF252314
            Stock: SI12257
            Listed since: 03-27-2025

            • Tustin Buick GMC (56 mi away)4.27 out of 5 stars(15)
            • 4WD
            • Full Grain Leather S...
            • Heated Driver & Fron...
            • Power Sunroof
            • Apple CarPlay
            Close

            Located in Tustin, CA / 56 miles away from San Marcos, CA

            2025 GMC Sierra 2500HD Summit White 10-Speed Automatic, 4WD, Alpine Umber Full Grain L Leather.Net Cost includes a Factory Rebate, if applicable, on...

            Features and Specs:

            Listing Information:

            VIN: 1GT4UXEY0SF259343
            Stock: SI12311
            Listed since: 03-21-2025

          • $82,179
            MSRP $89,325
            • Tustin Buick GMC (56 mi away)4.27 out of 5 stars(15)
            • Perforated Leather-A...
            • Heated Driver & Fron...
            • Power Sunroof
            • Apple CarPlay
            • Rear Cross Traffic A...
            Close

            Located in Tustin, CA / 56 miles away from San Marcos, CA

            2025 GMC Sierra 2500HD Onyx Black 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather.Net Cost includes a Factory Rebate, if applicable...

            Features and Specs:

            Listing Information:

            VIN: 1GT4UPEY7SF224444
            Stock: SI12145
            Listed since: 02-11-2025

          Showing 1 - 21 out of 190 listings
          TrimMPGEngineStarting Price
          2025 GMC Sierra 2500HD undefinedN/AN/A$55,220

          More about the GMC Sierra 2500HD

          Edmunds has 190 New GMC Sierra 2500HDs for sale near you, including a 2025 Sierra 2500HD Pro and a 2025 Sierra 2500HD Denali Ultimate ranging in price from $55,220 to $97,430.

          How much is a new 2025 GMC Sierra 2500HD in San Marcos, CA?

          A new 2025 GMC Sierra 2500HD starts at $55,220 (including destination charge) in San Marcos, CA. Prices will go up based on the trim level you choose and any options you add. Keep in mind that prices can also vary from one state to another and even from one dealership to the next.

          How much is a brand-new GMC Sierra 2500HD in San Marcos, CA?

          A brand-new GMC Sierra 2500HD starts at $55,220 in San Marcos, CA. The price can change based on a number of factors such as location, model year, trim level and options.
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