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
At Brennan Buick GMC, we're here for you throughout the life of your vehicle. If you're in the market for a new or used truck, SUV, or car, visit our dealership to see the best that Brennan Buick GMC has to offer.
- 6.6L V8 Engine with 10-Speed Automatic Transmission
- 4WD with 2-Speed Electronic Shift Transfer Case
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- SiriusXM with 360L Trial Subscription
- Heated Steering Wheel and Heated Driver and Front Outboard Passenger Seats
- Spray-on Pickup Bedliner with GMC Logo
- LED Fog Lamps and Auto High-Beam Headlights
- Automatic Emergency Braking and Forward Collision Alert
- 10-Way Power Driver Seat Adjuster with Lumbar Support
- Off-Road Suspension with Hill Descent Control
- Remote Vehicle Starter System and Keyless Open and Start
- Dual 220-Amp Primary and 170-Amp Auxiliary Alternators
- Chrome Surround Grille with Assist Steps
- Wireless Phone Projection
The 2026 GMC Sierra 2500HD SLE delivers the capability and comfort you need for work and life. Built with a robust 6.6L V8 engine paired to a 10-Speed Automatic transmission, this truck provides the power to handle demanding tasks while maintaining smooth, refined performance on the highway. The 4WD system with 2-Speed Electronic Shift Transfer Case gives you control in any condition, from city streets to challenging terrain.
Inside, you'll find modern conveniences designed with your comfort in mind. The Premium GMC Infotainment System integrates seamlessly with Apple CarPlay and Android Auto, keeping you connected without distraction. Heated seats and a heated steering wheel make cold mornings more pleasant, while the 10-Way Power Driver Seat Adjuster with lumbar support ensures all-day driving comfort. The wireless phone projection capability provides convenient access to your smartphone's key functions.
Safety is built into every drive. This Sierra includes Automatic Emergency Braking, Forward Collision Alert, and Following Distance Indicator to help you stay aware on the road. Lane Departure Warning System, Electronic Stability Control, and a comprehensive airbag system surround you with multiple layers of protection.
The truck bed is equipped with a spray-on bedliner bearing the GMC logo, protecting your cargo area from daily wear. The 120-Volt bed-mounted power outlet and instrument panel power outlet make it easy to operate tools and charge devices wherever your work takes you. Chrome bumpers, assist steps, and LED fog lamps add both style and function.
The off-road and protection packages include suspension upgrades and hill descent control, giving you confidence on uneven terrain. Whether you're tackling a job site or exploring new trails, this Sierra 2500HD is built to go the distance.
Visit Brennan Buick GMC to see this Sierra 2500HD SLE and discover why it's the truck for those who demand capability without compromise. Price includes: $1000 - Purchase Allowance. Exp. 08/03/2026