New GMC Sierra 2500 For Sale in Vacaville, CA

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The New 2026 GMC Sierra 2500HD for Sale in Vacaville

The 2026 GMC Sierra 2500HD is a heavy-duty pickup that combines capability and sophistication, ideal for demanding tasks and daily use. It offers power, technology, and comfort for hauling, towing, or making a commanding presence on the road. Drivers from Fairfield, CA trust GMC's durability and performance. Explore this truck in our new inventory.

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

What's New for 2026

The 2026 GMC Sierra 2500HD builds on its reputation as a heavy-duty leader with refined features across seven trims, from the Pro to Denali Ultimate, offering a balance of capability and comfort. Standard Pro Safety suite provides advanced driver assistance, appealing to Vallejo, CA residents for work and recreation.

Performance

The 2026 GMC Sierra 2500HD offers two powertrain options. The standard 6.6-liter V8 delivers 401 horsepower and 464 pound-feet, with direct injection and variable valve timing. The optional 6.6-liter Duramax Turbo-Diesel V8 produces 470 horsepower and 975 pound-feet of torque, B20-compatible. Both engines use a 10-speed automatic and can be rear- or four-wheel drive. The X31 Off-Road Package adds Hill Descent Control, skid plates, off-road suspension, and Rancho shocks for better off-road capability.

Interior

Step inside the 2026 GMC Sierra 2500HD, a cabin designed for functionality and comfort. It seats up to six, with options from vinyl in the Pro trim to leather in the Denali Ultimate. The front 40/20/40 split-bench seat offers storage, and available bucket seats with center console provide a personalized fit. Higher trims include heated and ventilated front seats, heated rear seats, and 16-way power seats with lumbar support and massage. The rear 60/40 bench folds flat, with storage and a center armrest. Dual-zone climate control and premium floor liners maintain comfort and protect the interior. Perfect for long trips and adventures from Concord, CA.

Exterior

The 2026 GMC Sierra 2500HD has a bold exterior that highlights its heavy-duty nature. It comes in various configurations, including Regular Cab Long Bed, Double Cab Standard Bed, Double Cab Long Bed, Crew Cab Standard Bed, and Crew Cab Long Bed, to meet different hauling and passenger needs. The truck measures up to 266.8 inches long, 81.8 inches wide, and 82.7 inches high on AT4X models. Wheelbases range from 141.6 to 172.0 inches, and fuel capacity is up to 36 gallons for longer trips. Features include animated LED projector headlamps, LED turn signals, and daytime running lamps. Wheel options vary from 17-inch painted steel to 22-inch aluminum. The GMC MultiPro Tailgate offers six load and access features, making cargo handling easier.

Safety

The 2026 GMC Sierra 2500HD prioritizes safety, with the Sierra HD Pro Safety suite standard on all trims. It includes Automatic Emergency Braking, Forward Collision Alert, Front Pedestrian Braking, Lane Departure Warning, and IntelliBeam. The truck has dual-stage airbags for driver and passenger, side-impact airbags, and head-curtain airbags for front and rear seats. StabiliTrak stability control with Proactive Roll Avoidance and traction control enable confident handling, and electronic trailer sway control and hill start assist improve towing safety. Optional features include HD Surround Vision, Park Assist, Rear Cross Traffic Alert, Lane Change Alert with Side Blind Zone Alert, and Trailer Side Blind Zone Alert for full awareness.

Technology

The 2026 GMC Sierra 2500HD features advanced technology to keep you connected and entertained. Its available 13.4-inch Premium GMC Infotainment System includes Google apps, navigation, and voice assistance on a touchscreen. Wireless Apple CarPlay and Android Auto enable seamless smartphone use. Bluetooth streams audio effortlessly. SiriusXM with 360L offers personalized radio, and the Wi-Fi Hotspot keeps passengers connected. The In-Vehicle Trailering App helps manage trailers with features like checklists, maintenance alerts, security, and tire pressure monitoring. Hitch Guidance with Hitch View simplifies trailer hookup with image adjustment, pan, zoom, and tilt. Davis, CA residents will value these tech features for farming and recreational towing.

Trim Levels

Pro

  • GMC Infotainment System with seven-inch diagonal color touchscreen
  • Wireless Apple CarPlay and Android Auto
  • 17-inch painted steel wheels
  • Vinyl seat trim with 40/20/40 split-bench
  • HD Rear Vision Camera
  • Trailering Package with hitch guidance

SLE

  • 13.4-inch Premium GMC Infotainment System with Google built-in
  • 17-inch machined aluminum wheels
  • Cloth seat trim
  • Keyless Open and Start
  • Deep-tinted glass
  • Power-adjustable vertical trailering mirrors

SLT

  • Perforated leather-appointed seating
  • 18-inch machined aluminum wheels
  • Heated driver and front passenger seats
  • 10-way power driver and passenger seats
  • LED fog lamps
  • Digital Variable Steering Assist

AT4

  • 20-inch High Gloss black aluminum wheels
  • Perforated front leather seat trim
  • Bose Premium seven-speaker sound system
  • HD Surround Vision
  • GMC MultiPro Tailgate
  • Spray-on bedliner

AT4X

  • Full-grain leather seating
  • 16-way power front seats with massage
  • Bose Premium 12-speaker system
  • Power retractable assist steps with LED lighting
  • 35-inch mud-terrain tires
  • Driver-selectable full-locking rear differential

Denali

  • Forge perforated leather seating
  • 20-inch Ultra-bright machined wheels
  • Chrome six-inch rectangular assist steps
  • Adaptive Cruise Control
  • Universal Home Remote
  • Rear sliding power window with defogger

Denali Ultimate

  • Full-grain leather with 16-way power seats and massage
  • Power-retractable assist steps with LED perimeter lighting
  • Bose Premium 12-speaker system with AudioPilot
  • Multicolor 15-inch Diagonal Head-Up Display
  • Rear Camera Mirror
  • Power sunroof


Yes, GMC of Vacaville serves customers throughout the Fairfield area and maintains a robust inventory of GMC Sierra 2500 trucks in various configurations. Contact us or visit our welcoming showroom today to check out our impressive selection.
Absolutely. Contact GMC of Vacaville to schedule a test drive at your convenience and experience the GMC Sierra 2500 firsthand. While you’re with us, we will be more than happy to answer any questions you may have about this vehicle and show you around it’s features and trim levels.
The GMC Sierra 2500 is available in multiple trims, including the GMC Sierra 2500 Pro, GMC Sierra 2500 SLE, GMC Sierra 2500 SLT, GMC Sierra 2500 AT4, and GMC Sierra 2500 Denali. Contact our dealership to learn about current availability.
GMC of Vacaville offers competitive lease programs on the Sierra 2500. Speak with our finance team to explore current options.
Our finance department works with customers from Dixon and surrounding communities to secure favorable financing terms.
When properly equipped, the GMC Sierra 2500 can tow up to 22,500 pounds, making it ideal for heavy-duty hauling tasks.
Our finance team works with customers across various credit situations. Contact GMC of Vacaville to discuss your options.

Visit GMC of Vacaville Today

Visit GMC of Vacaville to explore the 2026 GMC Sierra 2500HD. Our team can help you find the right trim, features, and configurations for your needs. Whether you need a reliable work truck or a luxury pickup, the Sierra 2500HD offers excellent value and performance. Browse online or visit us for a test drive. We serve Northern California and aim to show why the Sierra 2500HD leads in heavy-duty trucks.

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350 Orange Dr.
Directions Vacaville, CA 95687

  • Contact: (707) 471-5474