The 2027 GMC Sierra 2500 HD available at Gillman GMC of San Benito

2026 GMC Sierra HD Lineup 

*2026 Model Lineup Shown

The 2027 GMC Sierra 2500 HD is built for demanding jobs, heavy towing, and long-lasting durability without sacrificing modern comfort and technology. Whether you're hauling equipment to the worksite or towing a fifth-wheel camper for the weekend, the GMC Sierra 2500 HD delivers the strength and confidence expected from a heavy-duty pickup. At Gillman GMC, we're your destination for information on the 2027 GMC Sierra 2500 HD.

Performance Features

The new GMC truck offers powerful engine options designed to handle demanding workloads and challenging road conditions.

Performance highlights include:

  • Standard 6.6-liter V8 gasoline engine producing 401 horsepower and 464 lb-ft of torque
  • Available 6.6-liter Duramax® Turbo-Diesel V8 engine producing 470 horsepower and 975 lb-ft of torque
  • Allison® 10-speed automatic transmission
  • Available four-wheel drive for enhanced traction and capability

Whether you're towing heavy trailers, transporting equipment, or taking on demanding job sites, the GMC Sierra 2500 HD is engineered to deliver dependable heavy-duty performance.

Technology Features

The 2027 GMC Sierra 2500 HD combines work-ready capability with advanced technology to make every drive more productive and convenient. A large infotainment display and configurable digital driver information center provide quick access to navigation, towing data, and vehicle settings.

Technology highlights include wireless Apple CarPlay® and Android Auto™ compatibility, Google built-in compatibility, available wireless smartphone charging, multiple USB ports, an available Bose® premium audio system, available MultiPro™ Tailgate, and up to 14 available camera views, including advanced trailering camera technologies that simplify hitching and towing.

Interior Features

The GMC Sierra 2500 HD offers a comfortable and functional interior with premium materials available throughout the lineup. Depending on the trim level, the cabin can be equipped with leather-appointed seating, authentic wood accents, heated and ventilated front seats, and a heated steering wheel.

Crew Cab models provide generous passenger space with up to 43.4 inches of front legroom and 43.4 inches of rear legroom. Multiple storage compartments throughout the cabin help keep tools, electronics, and everyday essentials organized while you're on the job or traveling.

FAQs

What cab configurations are available on the 2027 GMC Sierra 2500 HD?

The 2027 GMC Sierra 2500 HD is available in Regular Cab, Double Cab, and Crew Cab configurations. Buyers can also choose between Standard Bed and Long Bed options depending on the selected cab and trim level.

How much can the 2027 GMC Sierra 2500 HD tow?

When properly equipped, the GMC Sierra 2500 HD can tow up to 22,500 lbs. conventionally and up to 36,000 lbs. using a fifth-wheel or gooseneck hitch. Actual towing capacity varies by engine, drivetrain, cab configuration, and equipment.

Which 2027 GMC Sierra 2500 HD trim is the best choice for towing?

Every GMC Sierra 2500 HD trim is built for serious capability, but the SLE, SLT, AT4, and Denali are popular choices depending on your needs. The SLE and SLT provide an excellent balance of work-ready capability and comfort, while the AT4 adds off-road enhancements. The Denali combines premium luxury with heavy-duty performance. If you're comparing the best 2027 GMC Sierra 2500 HD trim levels for towing, these trims offer the widest range of trailering technology, available diesel power, and towing-focused features.

Test-Drive The 2027 GMC Sierra 2500 HD

To learn more about the 2027 GMC Sierra 2500 HD, visit our GMC dealership in San Benito, TX. Our team is ready to answer your questions about trim levels, towing capability, and available features. Contact us today to explore the latest GMC Sierra 2500 HD and learn more about available GMC financing options.








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