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.
- Spray-on Pickup Bedliner with GMC Logo
- All-Weather Floor Liners for 1st and 2nd Rows
- 265/65R18 All-Terrain Tires
- EcoTec3 5.3L V8 Engine with 10-Speed Automatic and 4WD
- Premium GMC Infotainment Audio System with SiriusXM 360L Trial
- Wireless Apple CarPlay and Android Auto
- Navigation System
- Heated Front Seats with Perforated Leather Trim
- 10-Way Power Driver and Passenger Seats with Lumbar Support
- Automatic Emergency Braking with Lane Keep Assist
- HD Rear Vision Camera with Hitch Guidance
- Integrated Trailer Brake Controller
- Remote Vehicle Starter System with Push Button Start
- Heated Steering Wheel and Auto-Dimming Mirrors
- Front Fog Lights with LED Cargo Area Lighting
This 2026 GMC Sierra 1500 SLT in white represents capable, modern truck ownership. With 4WD capability and the proven EcoTec3 5.3L V8 paired with a 10-speed automatic transmission, this Sierra handles both daily driving and demanding tasks. The truck delivers an estimated 15 mpg city and 18 mpg highway, providing a balance of power and efficiency.
The SLT trim emphasizes comfort and convenience from the moment you settle into the heated front seat with perforated leather trim. Power adjustability with lumbar support ensures your driving position remains comfortable mile after mile. The cabin features dual-zone automatic temperature control, a heated steering wheel, and a premium audio system that includes SiriusXM with 360L trial subscription and six speakers strategically positioned throughout the cab.
Technology integration makes driving intuitive and connected. Wireless Apple CarPlay and Android Auto compatibility keeps your smartphone seamlessly integrated with the infotainment system. Navigation is built in for reliable route guidance, while the remote vehicle starter and push button start add modern convenience to your daily routine.
Safety and visibility receive serious attention with this Sierra. Automatic emergency braking, lane keep assist with lane departure warning, and forward collision alert work together to help protect you on the road. The HD rear vision camera pairs with hitch guidance to simplify backing situations, while automatic high-beam headlights and front fog lights enhance visibility in various conditions. Rain-sensing wipers respond automatically to changing weather.
The truck's work-ready features include an integrated trailer brake controller and trailering package for towing applications. Front frame-mounted recovery hooks and the spray-on bedliner with GMC logo establish this truck's utility. All-weather floor liners protect the cabin interior, while 18-inch machined aluminum wheels with all-terrain tires provide capability and appearance.
Visit Brennan Buick GMC to experience this 2026 GMC Sierra 1500 SLT firsthand. Our team is ready to help you find the right truck for your needs. Price includes: $1750 - Purchase Allowance. Exp. 08/31/2026 $2500 - Bonus Cash. Exp. 08/31/2026 $3000 - Trade Assistance. Exp. 08/31/2026