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.
This 2026 GMC Sierra 1500 SLT in Onyx Black delivers the capable performance and refined comfort you expect from premium truck ownership. With low mileage of 18,758 miles, this 4WD powerhouse features a robust EcoTec3 5.3L V8 engine paired with a smooth 10-speed automatic transmission, achieving 15 city and 18 highway MPG. The SLT trim elevates your daily drive with exceptional features and thoughtful design.
- Memory seat with 10-way power driver and passenger adjusters with lumbar support
- Heated steering wheel and heated front seats for all-weather comfort
- Wireless Apple CarPlay and Wireless Android Auto with premium navigation system
- Premium GMC infotainment audio system with SiriusXM 360L trial and steering wheel controls
- Integrated trailer brake controller and trailering package for towing capability
- Perforated leather-appointed front outboard seat trim
- Remote vehicle starter system with push button start and keyless entry
- Advanced safety including automatic emergency braking, lane keep assist, and HD rear vision camera
- LED cargo lighting, power windows and mirrors, automatic high-beam headlights
- 18-inch machined aluminum wheels with all-terrain capability
This vehicle is CarBravo Certified, providing confidence and peace of mind. Our rigorous inspection and certification process ensures this truck meets the highest standards of quality and reliability, backed by comprehensive coverage for added protection.
We invite you to experience this exceptional Sierra 1500 SLT in person. Visit Brennan Buick GMC today to test drive this truck and discover why it's the ideal choice for your needs.