Pre-Owned 2025 GMC Sierra 2500HD AT4X For Sale MYSTIC, CT

Clean CARFAX.Onyx Black 2025 GMC Sierra 2500HD AT4X 4D Crew Cab 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselFamily owned and operated since 1949, Brustolon Buick GMC has made 100% CUSTOMER SATISFACTION OUR PRIORITY! Our staff makes purchasing a PRE-OWNED vehicle an ENJOYABLE experience. Visit Brustolon Buick GMC in Mystic, CT and see for yourself! At Brustolon Buick GMC, our goal is to deliver vehicles that will provide years of reliable use. Every vehicle is fully inspected by our factory trained Service technicians, and reconditioned to factory maintenance specifications. Call the Brustolon Buick GMC Sales Department at 860-415-4738 prompt #1, to speak with a member of our team to schedule your test drive today!