This 2018 GMC Sierra 3500HD SLT is Priced Below The Average Market Price and is Proudly Offered by St. Clair Chevrolet Buick GMC! The exterior color is Onyx Blackwith a Jet Black interior. Premium Installed Options include duramax plus package, driver alert package, lpo assist steps chromed tubular 6 rectangular, seating heated and ventilated perforated leather-appointed front bucket, bose sound with 6 speaker system, bed liner spray-on, air bags single-stage frontal and thorax side-impact driver and front passenger and head curtain side-impact front and rear outboard seating positions, front and rear park assist ultrasonic, alternator 220 amps, underbody shield frame-mounted shields, steering wheel heated leather wrapped, engine block heater, lpo console insert organizer tray, cover 1-piece, lamps smoked amber roof marker, trailering wiring provisions for camper fifth wheel and gooseneck trailer, slt preferred equipment group, trailer brake controller integrated, exhaust brake, wheel 18 x 8 (45.7 cm x 20.3 cm) full-size steel spare., wireless charging, console floor mounted, hill descent control, forward collision alert and lane departure warning. Well Equipped with Diesel Engine, Four Wheel Drive, Turbocharged, Stability Control and Navigation. You may qualify for additional savings including Competitive Lessee Program: 500.00, Down Payment Assistance Program: 1000.00, Extended Family Card and Buypower Card Bonus Cash Offer: 250.00, GM Cards With Redemption Limits Copper/Platinum and Flexible Earnings Program: 1500.00, GM Financial Extended Family Card and Buypower Card Incremental CCR Offer: 250.00, GM Lease Loyalty Program: 500.00 and GM Targeted In-Market Lease Cash Offer: 2000.00. Choose St. Clair Chevrolet Buick GMC because We Care!