1. Available for eligible individual buyers on new qualifying vehicles assembled in the US. Only applies to interest paid in tax years 2025-2028 on new debt contracted after 12/31/2024. Tax deduction subject to change and filing requirements. Income restrictions and other restrictions and limitations may apply. Consult your tax, legal, or accounting professional if you have questions. This information does not constitute tax, accounting, or legal advice. Deduction subject to federal laws and regulations and manufacturing constraints.
1. To qualify for the GM Limited Time Special, you must: (1) be a current Costco Gold Star, Business, or Executive level Member by June 2, 2025; (2) register with Costco Auto Program online or through its call center by August 4, 2025, to receive a certificate with your unique promotion code; (3) present your certificate and unique promotion code to any Chevrolet, GMC or Cadillac dealer at time of visit; (4) take delivery between June 3, 2025, and August 4, 2025, of a new 2024, 2025, 2026 GMC Sierra EV, Hummer EV SUV, or Hummer EV Pickup to receive a $1,000 Gold Star/Business Membership Costco member-only incentive or $1,250 Executive level Membership Costco member-only incentive. Incentive will be applied at time of eligible purchase or lease and is compatible with current eligible manufacturer incentives for which you qualify. Incentive is subject to change due to vehicle inventory availability. Visit CostcoAuto.com/GM for full details. Costco and its affiliates do not sell automobiles or negotiate individual transactions. 2. To qualify for the GM Rewards Limited Time Special, and receive 10,000 GM Rewards points for Costco Gold Star, Business Membership or 12,000 GM Rewards points for Executive Membership on eligible purchases you must: (1) be a Costco Gold Star, Business, or Executive level Member by June 2, 2025; (2) be an individual consumer 18 years or older residing in the fifty (50) United States or Washington, D.C.; (3) be a GM Rewards Member or enroll in the GM Rewards Program within 30 days of the purchase of a qualifying vehicle at experience.gm.com/createaccount; (4) register with Costco Auto Program online or through its call center by August 4, 2025, to receive a certificate with your unique promotion code; (5) present your certificate and unique promotion code to any GMC dealer at time of visit; (6) take delivery between June 3, 2025, and August 4, 2025, of a new 2024, 2025, 2026 GMC Sierra EV, Hummer EV SUV, or Hummer EV Pickup through the GM Limited Time Special. GM Rewards Members also earn 1 point for every $5 spent on a new GM lease or purchase, based on the vehicle MSRP and excluding taxes and fees. Points will be awarded within 45 days of your qualifying vehicle purchase. GM Limited Time Special Incentive is subject to change due to vehicle inventory availability. Visit CostcoAuto.com/GM for full details. Costco and its affiliates do not sell automobiles or negotiate individual transactions.
1. Monthly payment is $27.78 for every $1,000 you finance. Average example down payment is 9.7%. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 8/4/25. 2. AVAILABLE ON THE TURBOMAXTM ENGINE. Not available with lease and some other offers. Take new retail delivery by 8/4/25. 3. AVAILABLE ON THE TURBOMAXTM ENGINE. MUST BE A CURRENT OWNER OF A 2011 MODEL YEAR OR NEWER BUICK OR GMC VEHICLE OR A CURRENT LESSEE OF A 2020 MODEL YEAR OR NEWER BUICK OR GMC VEHICLE THROUGH GM FINANCIAL FOR AT LEAST 30 DAYS PRIOR TO NEW VEHICLE SALE. Not available with lease and some other offers. Take new retail delivery by 8/4/25. 4. AVAILABLE ON THE TURBOMAXTM ENGINE.

Special Offers

  • HUMMER EV Pickup

    HUMMER EV Pickup

    FINANCE OFFER
    • 0% APR for 60 months

    2024 & 2025 GMC HUMMER EV PICKUP MODELS

    View Disclaimer

    HUMMER EV is available from a GMC EV dealer. Monthly payment is $16.67 for every $1,000 you finance. Average example down payment is 12.1%. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 8/4/25.

  • HUMMER EV SUV

    HUMMER EV SUV

    FINANCE OFFER
    • 0% APR for 60 months

    2024 & 2025 GMC HUMMER EV SUV MODELS

    View Disclaimer

    HUMMER EV is available from a GMC EV dealer. Monthly payment is $16.67 for every $1,000 you finance. Average example down payment is 12.1%. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 8/4/25.

  • Demo 2025 GMC Sierra 2500 HD Denali

    Demo 2025 GMC Sierra 2500 HD Denali

    FINANCE OFFER
    5.9% APR Financing for 84 months

    View Sierra HD Inventory

    View Disclaimer

    5.9% for 84 months - Monthly payment is $14.56 for every $1,000 you finance. Average example down payment is 10%. Some customers may not qualify. Not available with lease and some other offers. Savings based on Bankrate of 7.23%. Take new retail delivery by 8/4/25.

  • Demo 2025 GMC Sierra 2500 HD Denali

    Demo 2025 GMC Sierra 2500 HD Denali

    PURCHASE OFFER
    Dealer Discount on #G6841:-$7,000
    Purchase Allowance:-$1,000
    Bonus Cash:-$1,000
    Total Incentive -$9,000

    View GMC Sierra 2500 HD Inventory

    View Disclaimer

    Available on Stock #G6841:

    Purchase Allowance
    Incentive ID: 25-40AX-1
    Expiration: 2025-08-04
    Amount: $2,750
    Not available with special financing, lease and some other offers. Must take new retail delivery by 08/04/2025.

    Bonus Cash
    Incentive ID: 25-40AG-5
    Expiration: 2025-08-04
    Amount: $1000
    Not available with some other offers. Must take new retail delivery by 08/04/2025.

  • Demo 2025 GMC Sierra 1500 Elevation

    Demo 2025 GMC Sierra 1500 Elevation

    PURCHASE OFFER
    Dealer Discount on #G6972:-$7,000
    Purchase Allowance:-$2,750
    Bonus Cash:-$1,250
    Total Incentive -$11,000

    View GMC Sierra 1500 Inventory

    View Disclaimer

    Available on Stock #G6972:

    Purchase Allowance
    Incentive ID:25-40ACB-8
    Expiration: 2025-08-04
    Amount: $2,750
    Not available with special financing, lease and some other offers. Must take new retail delivery by 08/04/2025.

    Bonus Cash
    Incentive ID: 25-40AG-5
    Expiration: 2025-08-04
    Amount: $1,250
    Not available with some other offers. Must take new retail delivery by 08/04/2025.

  • Demo 2024 GMC HUMMER EV SUV 3X

    Demo 2024 GMC HUMMER EV SUV 3X

    COSTCO PURCHASE OFFER
    Dealer Discount on #G6671:-$10,250
    Purchase Allowance:-$3,000
    Costco Incentive-$1,250
    Total Incentive -$14,500

    View GMC HUMMER EV Pickup

    View Disclaimer

    Available on stock number G6671

    Purchase Allowance
    Incentive ID: 25-40ACB-3
    Expiration: 2025-03-31
    Amount: $3,000
    Not available with special financing, lease and some other offers. Must take new retail delivery by 03/31/2025.

    Costco Member Incentive
    Incentive ID: 25-40CAK-1
    Expiration: 08-04-2025
    Amount: $1,250
    To qualify for the GM Limited Time Special, you must: (1) be a current Costco Gold Star, Business, or Executive level Member by June 2, 2025; (2) register with Costco Auto Program online or through its call center by July 31, 2025, to receive a certificate with your unique promotion code; (3) present your certificate and unique promotion code to GMC dealer at time of visit; (4a) take delivery between June 3, 2025, and July 31, 2025, of a new 2024, 2025, 2026 GMC Sierra EV, Hummer EV SUV, or Hummer EV Pickup; to receive a $1,000 Gold Star/Business Membership Costco member-only incentive or $1,250 Executive level Membership Costco member-only incentive; Incentive will be applied at time of eligible purchase or lease and is compatible with current eligible manufacturer incentives for which you qualify. Incentive is subject to change due to vehicle inventory availability. Visit CostcoAuto.com/GM for full details. Costco and its affiliates do not sell automobiles or negotiate individual transactions Must take new retail delivery by 08/04/2025.

  • Demo 2025 GMC Sierra 1500 Elevation

    Demo 2025 GMC Sierra 1500 Elevation

    COSTCO LEASE OFFER
    • $389/month for 36 months
    • $2,999 due at signing (after all offers)*

    G6976

    View Disclaimer

    Lease for $389 per month for 36 months with 30,000 total miles. $2,999 total due at signing includes: $389 first month payment, $500 SC Infrastructure Maintenance Fee (Sales Tax), $55 SC Registration Fee, and $695 acquisition fee. Example lease based on stock# G6976: a New 2025 GMC Sierra 1500 Elevation with an MSRP of $56,895. Advertised price does not include $799 Dealer Closing Fee. No Security Deposit required. Available to qualified customers through GM Financial Leasing through July 31, 2025. Contact Baker Buick GMC for complete details.

    GMC Loyalty Cash - Incentive ID: 25-40CG-6 - Must show proof of current lease or ownership of a 2011 model year or newer Buick or GMC Passenger Car or Truck at least 30 days prior to the new vehicle sale. Not available with special financing, lease and some other offers. Must take new retail delivery by 08/04/2025.

  • Demo 2025 GMC HUMMER EV SUV 3X

    Demo 2025 GMC HUMMER EV SUV 3X

    COSTCO LEASE OFFER
    • $999/month for 39 months
    • $1,999 due at signing (after all offers)*

    G6788

    View Disclaimer

    Lease for $999 per month for 39 months with 32,500 total miles. $1,999 total due at signing includes: $999 first month payment, $500 SC Infrastructure Maintenance Fee (Sales Tax), $55 SC Registration Fee, and $695 acquisition fee. Example lease based on stock# G6788: a New 2025 GMC HUMMER EV SUV 3X with an MSRP of $109,285. Advertised price does not include $799 Dealer Closing Fee. No Security Deposit required. Available to qualified customers through GM Financial Leasing through July 31, 2025. Contact Baker Buick GMC for complete details.

    Costco Executive Member Incentive $1250 - Incentive ID: 25-40CAK-1 - To qualify for the GM Limited Time Special, you must: (1) be a current Costco Gold Star, Business, or Executive level Member by June 2, 2025; (2) register with Costco Auto Program online or through its call center by July 31, 2025, to receive a certificate with your unique promotion code; (3) present your certificate and unique promotion code to GMC dealer at time of visit; (4a) take delivery between June 3, 2025, and July 31, 2025, of a new 2024, 2025, 2026 GMC Sierra EV, Hummer EV SUV, or Hummer EV Pickup; to receive a $1,000 Gold Star/Business Membership Costco member-only incentive or $1,250 Executive level Membership Costco member-only incentive; Incentive will be applied at time of eligible purchase or lease and is compatible with current eligible manufacturer incentives for which you qualify. Incentive is subject to change due to vehicle inventory availability. Visit CostcoAuto.com/GM for full details. Costco and its affiliates do not sell automobiles or negotiate individual transactions Must take new retail delivery by 08/04/2025.

Business Choice Specials:

  • GMC Sierra 2500 HD / 3500 HD With Box Delete (ZW9) OR 3500 HD Chassis Cab

    GMC Sierra 2500 HD / 3500 HD With Box Delete (ZW9) OR 3500 HD Chassis Cab

    $750 Upfit Cash Allowance w/o Snow Plow Prep Package3,5 on eligible upfits
    OR
    $1,000 Upfit Cash Allowance W/Snow Plow Prep Package3,5,7 on eligible upfits

    Examples:
    Eligible Upfits: Beverage Body, PVD Body, Crane Body, Flatbed, Tow Body

  • GMC Sierra 1500 With Box Delete (ZW9) or Box Removal

    GMC Sierra 1500 With Box Delete (ZW9) or Box Removal

    $750 Upfit Cash Allowance3,4,5 on eligible upfits

    Examples:
    Eligible Upfits: Dump Body, Crane Body, Beverage Body, Flatbed

  • GMC Sierra 2500 HD / 3500 HD With Snow Plow Prep Package<sup>8</sup>

    GMC Sierra 2500 HD / 3500 HD With Snow Plow Prep Package8

    $500 Upfit Cash Allowance3,4,5 w/o Snow Plow Prep Package on eligible uplifts
    OR
    $1,000 Upfit Cash Allowance w/Snow Plow Prep Package3,4,5,7 on eligible upfits

    Examples:
    Eligible Upfits: Snow Plow

  • GMC Sierra 2500 HD / 3500 HD

    GMC Sierra 2500 HD / 3500 HD

    $1,000 Accessory Cash Allowance3,4 on eligible GM accessories
    OR
    $500 Upfit Cash Allowance3,4,5 On eligible upfits

    Examples:
    Eligible Accessories: Assist Steps, Toolbox, Underseat Storage, Trailering/Hitch products
    Eligible Upfits: Bedliner, Trailering/Hitch products, Ladder Racks, Wraps

  • GMC Sierra 1500 with Snow Plow Prep Package<sup>8</sup>

    GMC Sierra 1500 with Snow Plow Prep Package8

    $200 Upfit Cash Allowance w/o Snow Plow Prep Package3,4,5 on eligible uplifts
    OR
    $400 Upfit Cash Allowance w/ Snow Plow Prep Package3,4,5,7 on eligible uplifts

    Examples:
    Eligible Upfits: Snow Plow

  • GMC Sierra 1500

    GMC Sierra 1500

    $400 Accessory Cash Allowance3,4 on eligible GM accessories
    OR
    $200 Upfit Cash Allowance3,4,5 on eligible upfits

    Examples:
    Eligible Accessories: Bed Protection, Cargo Organizer, Floor Mats, Tow Hooks, Trailering Mirrors
    Eligible Upfits: Bedliner, Ladder Rack, Graphics, Toolbox

  • GMC Canyon

    GMC Canyon

    $400 Accessory Cash Allowance3,4 on eligible GM accessories
    OR
    $200 Upfit Cash Allowance3,4,5 on eligible upfits

    Examples:
    Eligible Accessories: Hitch Trailering Package, Bedliner, Ladder Rack, Toolbox
    Eligible Upfits: Safety Lighting, Lift Gate, Bed Products, Spreaders

  • GMC Savana Cutaway Van

    GMC Savana Cutaway Van

    $500 to $1,200 Upfit Cash Allowance on eligible upfits

    Examples:
    Eligible Upfits: Utility, High Cube, Stake Or Wrecker Body, Vocation-Specific Equipment

  • GMC Savana Cargo Van

    GMC Savana Cargo Van

    $500 to $1,200 Accessory Cash Allowance6 on eligible GM accessories
    OR
    $500 to $1,200 Upfit Cash Allowance5,6 on eligible upfits

    Examples:
    Eligible Accessories: Trailering and Hitch Products, Floor Mats, Assist Steps, Roof Carriers
    Eligible Upfits: Interior Racks and Bins, Partition/Bulkheads, Ladder Racks, Vocational Equipment

  • GMC Savana Passenger Van

    GMC Savana Passenger Van

    $400 Accessory Cash Allowance3,4 on eligible GM accessories
    OR
    $200 Upfit Cash Allowance3,4,5 on eligible upfits

    Examples:
    Eligible Accessories: Ladder Rack, Hitch/Trailering Package, Molded Hood Protector, Floor Mats
    Eligible Upfits: Professionally Created Graphics, Trailering/Hitch products, 4×4 Conversions

Get Directions

1621 Savannah Highway, Charleston, SC, 29407
Baker GMC 32.78535, -80.01057.