2026 GMC Sierra 2500 HD SLT
$8,422 more than this car
- 2 mi
- 4WD
- Automatic
- Diesel
- Truck
Holzhauer GMC · Nashville, IL · 71 mi away
9 miles · truck

Discover heavy-duty capability, premium comfort, and advanced technology with the new 2026 GMC Sierra 2500 HD SLT , available at Russ Braunecker Cadillac Buick GMC in Effingham, Illinois . Designed for drivers who need serious truck capability without sacrificing comfort and convenience, the Sierra 2500 HD SLT is an excellent choice for hauling equipment, towing trailers, tackling demanding jobs, and enjoying everyday driving in a full-size heavy-duty pickup. The 2026 GMC Sierra 2500 HD SLT offers powerful engine options to meet a variety of needs, including a 6.6L V8 gasoline engine paired with an Allison 10-speed automatic transmission. This engine produces 401 horsepower and 464 lb-ft of torque , delivering dependable performance for work and recreation. The exterior combines GMC's bold styling with practical heavy-duty functionality. A distinctive front grille, signature LED lighting, sculpted body lines, and 18-inch machined aluminum wheels with dark gray metallic accents give the SLT a confident appearance. The GMC MultiPro Tailgate adds versatility with multiple configurations designed to make accessing the truck bed, loading cargo, and handling equipment easier. Inside, the Sierra 2500 HD SLT offers a spacious cabin designed for comfort during long workdays and road trips. The interior features premium seating materials, heated front seats, power-adjustable front seating, and a heated steering wheel. Thoughtful storage, convenient controls, and generous passenger space help make this heavy-duty truck comfortable for both the driver and passengers. Technology helps keep you connected and informed wherever the road takes you. The 13.4-inch diagonal GMC Premium Infotainment System features Google built-in compatibility, providing access to helpful connected features. Wireless Apple CarPlay and Android Auto? compatibility make it easy to connect a compatible smartphone, while the 12.3-inch diagonal digital Driver Information Center displays important driving information. The Bose premium audio system further enhances your listening experience. The 2026 GMC Sierra 2500 HD SLT is engineered for demanding towing and hauling tasks. Its heavy-duty construction, powerful engine options, and available ProGrade Trailering System with an in-vehicle trailering app help drivers monitor trailer information and prepare for towing. Trailering mirrors, camera technologies, and the MultiPro Tailgate add further functionality to make towing easier. Safety and driver-assistance technologies provide additional support on the road and around the job site. GMC's standard Sierra HD Pro Safety suite includes driver-assistance features designed to help improve awareness, including adaptive cruise control, designed to make highway driving stress free. The various camera angles and driver convenience features are there to help keep you safe as you go. If you're searching for a new 2026 GMC Sierra 2500 HD SLT for sale near Effingham, IL , a new GMC heavy-duty pickup , a 2500 HD truck for towing and hauling , or a well-equipped work truck in Central Illinois, the Sierra SLT deserves a closer look. Its combination of heavy-duty capability, premium comfort, modern connectivity, and practical trailering technology makes it a versatile choice for both professional and personal use. At Russ Braunecker Cadillac Buick GMC , we're proud to offer an outstanding selection of new GMC trucks, competitive pricing, flexible financing options, and exceptional customer service. Our knowledgeable team is ready to help you explore the new 2026 GMC Sierra 2500 HD SLT and find the configuration that fits your needs.
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
Among the lowest-priced · 100% of 4 similar listings ask more than this car.
How we calculate market value: comparable cars for sale now plus their last listed prices.
Same 2026 Sierra 2500 SLT · new · within 100 miles of Effingham, Illinois. All 4 comparable cars for sale, nearest first.
$8,422 more than this car
Holzhauer GMC · Nashville, IL · 71 mi away
$4,866 more than this car
Bates Chevrolet GMC · Carlinville, IL · 72 mi away
$3,591 more than this car
WEEKS Chevrolet GMC · West Frankfort, IL · 87 mi away
$3,651 more than this car
WEEKS Chevrolet GMC · West Frankfort, IL · 87 mi away
2026 GMC Sierra 2500 HD SLT2 miles · Holzhauer GMC · Nashville, IL · 71 mi away$78,686$8,422 more than this car
2026 GMC Sierra 2500 HD SLT6 miles · Bates Chevrolet GMC · Carlinville, IL · 72 mi away$75,130$4,866 more than this car
2026 GMC Sierra 2500 HD SLT3 miles · WEEKS Chevrolet GMC · West Frankfort, IL · 87 mi away$73,855$3,591 more than this car
2026 GMC Sierra 2500 HD SLT5 miles · WEEKS Chevrolet GMC · West Frankfort, IL · 87 mi away$73,915$3,651 more than this carAll years and trims. Nearest first.
Russ Braunecker Auto Group · Effingham, IL · 0 mi away
Russ Braunecker Auto Group · Effingham, IL · 0 mi away
Russ Braunecker Auto Group · Effingham, IL · 0 mi away
Russ Braunecker Auto Group · Effingham, IL · 0 mi away
Russ Braunecker Auto Group · Effingham, IL · 0 mi away
Russ Braunecker Auto Group · Effingham, IL · 0 mi away
Russ Braunecker Auto Group · Effingham, IL · 0 mi away
Russ Braunecker Auto Group · Effingham, IL · 0 mi away
2026 GMC Sierra 1500 AT439,839 miles · Russ Braunecker Auto Group · Effingham, IL · 0 mi away$52,535
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2026 GMC Sierra 1500 SLT5 miles · Russ Braunecker Auto Group · Effingham, IL · 0 mi away$56,746
2026 GMC Sierra 1500 SLT8 miles · Russ Braunecker Auto Group · Effingham, IL · 0 mi away$56,846
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