EXPLORE THE BUICK GMC SHOWROOM AT HERTRICH BUICK GMC OF SEAFORD, DE

Back to Model Lineup
2026 GMC Sierra 1500 Truck
2026 GMC Sierra 1500 Truck
City mpg:
18
Highway mpg:
21

Actual rating will vary with options, driving conditions, habits and vehicle condition.

2026 GMC
Sierra 1500 Truck

Starting at: $38,300

  • Manufacturer Offer

    No Monthly Payments for 130 Days for Well-Qualified Buyers When Financed w/ GM Financial

    * Read full offer details
    Applies to this new 2026 GMC Sierra 1500

    * Disclaimer(s)

    • Deferred monthly payments for 130 days. Finance charges accrue from date of financing. Must finance with GM Financial. Down payment required at signing, if applicable. Offer not available in PA. Some customers may not qualify. Not available with lease and some other offers. 6.9% APR for 84 months for well-qualified buyers when financed w/GM Financial. Monthly payment is $15.04 for every $1000 you finance. Average example down payment is 10.0%. Not available with leases and some other offers. Must take new retail delivery by 06/30/2026. Truth in Lending Act Disclosure: Down payment will vary with APR and credit. For example, 6.9% APR with $2,500 down payment provides for 84 monthly payments of $15.04 per $1000 financed for qualified buyers. The rates described are for estimation purposes only; you may not be able to finance at this rate.

      See Trims

  • Manufacturer Offer

    Bonus Cash

    * Read full offer details
    Applies to this new 2026 GMC Sierra 1500

    * Disclaimer(s)

    • Not available with some other offers. Must take new retail delivery by 06/30/2026.

      See Trims

View New Inventory

Yes, I'm Interested

* Indicates a required field

Inventory Specifications Trims
Viewing 1-5 of 58

Inventory

  • 2026 GMC Sierra 1500 AT4 Truck

    2026 GMC Sierra 1500 AT4

    MPG Range:
    15/19,
    Engine:
    6.2L EcoTec3 V8 engine,
    Transmission:
    Automatic,
    Drive Line:
    4WD,
    Exterior Color:
    Coastal Dune,
    Interior Color:
    Jet Black with Kalahari accents, Perforated leathe,
    Stock #:
    G26194,
    Location:
    Hertrich Buick GMC of Seaford
    More…
    • VIN Badges: {Purchase Allowance=[com.dealer.inventory.entity.VinBadge@18a79b3e]}
    View Details
  • 2026 GMC Sierra 1500 AT4 Truck

    2026 GMC Sierra 1500 AT4

    MPG Range:
    22/26,
    Engine:
    3.0L Duramax® Turbo Diesel engine,
    Transmission:
    Automatic,
    Drive Line:
    4WD,
    Exterior Color:
    Summit White,
    Interior Color:
    Jet Black with Kalahari accents, Perforated leathe,
    Stock #:
    G26195,
    Location:
    Hertrich Buick GMC of Seaford
    More…
    • VIN Badges: {Purchase Allowance=[com.dealer.inventory.entity.VinBadge@3f367cd2]}
    View Details
  • 2026 GMC Sierra 1500 Denali Truck

    2026 GMC Sierra 1500 Denali

    MPG Range:
    15/18,
    Engine:
    5.3L EcoTec3 V8 engine,
    Transmission:
    Automatic,
    Drive Line:
    4WD,
    Exterior Color:
    Onyx Black,
    Interior Color:
    Jet Black, Forge perforated leather seat trim,
    Stock #:
    G26263,
    Location:
    Hertrich Buick GMC of Seaford
    More…
    • VIN Badges: {Purchase Allowance=[com.dealer.inventory.entity.VinBadge@2aa911a9]}
    View Details
  • 2026 GMC Sierra 1500 Denali Truck

    2026 GMC Sierra 1500 Denali

    MPG Range:
    15/18,
    Engine:
    5.3L EcoTec3 V8 engine,
    Transmission:
    Automatic,
    Drive Line:
    4WD,
    Exterior Color:
    Sterling Metallic,
    Interior Color:
    Jet Black, Forge perforated leather seat trim,
    Stock #:
    G26262,
    Location:
    Hertrich Buick GMC of Seaford
    More…
    • VIN Badges: {Purchase Allowance=[com.dealer.inventory.entity.VinBadge@3d6be1d7]}
    View Details
  • 2026 GMC Sierra 1500 Denali Ultimate Truck

    2026 GMC Sierra 1500 Denali Ultimate

    MPG Range:
    15/19,
    Engine:
    6.2L EcoTec3 V8 engine,
    Transmission:
    Automatic,
    Drive Line:
    4WD,
    Exterior Color:
    Downpour Metallic,
    Interior Color:
    Alpine Umber, Full grain leather front seat trim,
    Stock #:
    G26218,
    Location:
    Hertrich Buick GMC of Seaford
    More…
    • VIN Badges: {Purchase Allowance=[com.dealer.inventory.entity.VinBadge@34e8155d]}
    View Details
View More Inventory

Specifications

Trims

  MSRP Engine Transmission City/Hwy mpg
Pro 2026 GMC Sierra 1500 Truck Pro Search New $38,300   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
Pro 2026 GMC Sierra 1500 Truck Pro Search New $38,500   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
Pro 2026 GMC Sierra 1500 Truck Pro Search New $41,600   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
Pro 2026 GMC Sierra 1500 Truck Pro Search New $42,900   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
Pro 2026 GMC Sierra 1500 Truck Pro Search New $43,100   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
Pro 2026 GMC Sierra 1500 Truck Pro Search New $44,200   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
Pro 2026 GMC Sierra 1500 Truck Pro Search New $44,900   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
Pro 2026 GMC Sierra 1500 Truck Pro Search New $47,500   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
Pro 2026 GMC Sierra 1500 Truck Pro Search New $47,800   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
SLE
Search New 		$48,700   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
Elevation w/3SB
Search New 		$50,500   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
Elevation w/3VL
Search New 		$50,800   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
SLE
Search New 		$51,300   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
SLE
Search New 		$52,000   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
Elevation w/3SB
Search New 		$53,300   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
Elevation w/3VL
Search New 		$53,600   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
Elevation w/3SB
Search New 		$53,800   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
SLE
Search New 		$54,600   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
SLE
Search New 		$54,900   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
SLT
Search New 		$55,100   355-hp 5.3L 8-cyl  10-spd auto  16 / 20  
Elevation w/3SB
Search New 		$56,600   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
Elevation w/3SB
Search New 		$56,900   310-hp 2.7L 4-cyl  8-spd auto  17 / 20  
SLT
Search New 		$58,200   355-hp 5.3L 8-cyl  10-spd auto  15 / 18  
SLT
Search New 		$58,900   355-hp 5.3L 8-cyl  10-spd auto  15 / 18  
Denali
Search New 		$66,100   355-hp 5.3L 8-cyl  10-spd auto  16 / 20  
AT4
Search New 		$67,000   305-hp 3.0L 6-cyl  10-spd auto  22 / 26  
AT4
Search New 		$67,500   305-hp 3.0L 6-cyl  10-spd auto  22 / 26  
Denali
Search New 		$69,400   355-hp 5.3L 8-cyl  10-spd auto  15 / 18  
Denali
Search New 		$69,900   355-hp 5.3L 8-cyl  10-spd auto  15 / 18  
AT4X
Search New 		$79,600   305-hp 3.0L 6-cyl  10-spd auto  19 / 20  
Denali Ultimate
Search New 		$84,400   420-hp 6.2L 8-cyl  10-spd auto  15 / 19  

Your privacy is important to us.

Hertrich Buick GMC of Seaford takes your privacy seriously and does not rent or sell your personal information to third parties without your consent. Read our privacy policy.

Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

1Dealer Discount applied to everyone