2025 GMC Sierra

The Thelen family insists on integrity and strong customer service before, during, and after a sale to their customers. Used cars, new cars, you name it and we have it! Discover why so many satisfied customers have joined our growing family at Thelen Auto Group.This 2025 GMC Sierra 1500 SLT in stunning Onyx Black combines capable performance with premium comfort. Finished in striking black with an available EcoTec3 5.3L V8 engine paired to a 10-speed automatic transmission and 4WD, this truck is built for work and play. With an average of approximately 18,000 miles annually, this Sierra delivers the confidence you need on any road.Key Features:- EcoTec3 5.3L V8 engine with 10-speed automatic and 4WD- Premium GMC Infotainment Audio System with SiriusXM and 360L trial subscription- Navigation System- Wireless Apple CarPlay and Android Auto- Heated leather-appointed front outboard seat trim with 10-way power adjustments- Automatic Emergency Braking and Lane Keep Assist with Lane Departure Warning- HD rear vision camera- Front fog lights and auto high-beam headlights- Integrated trailer brake controller with hitch guidance- 18"" machined aluminum wheelsThe SLT trim brings a refined driving experience with dual-zone automatic climate control, heated steering wheel, and power everything. Safety features include forward collision alert, front pedestrian braking, and OnStar emergency communication. This truck's integrated trailering package and trailer brake controller make towing straightforward, while the standard suspension package ensures smooth handling.Experience the perfect balance of capability and comfort-visit our showroom today to explore this exceptional Sierra 1500.Call [989] 684-2980 or Text [989] 402-4761 for more information on this vehicle. Thelen Auto Group is a family owned and operated dealer serving the Great Lakes Bay Region since 1977.