2026 GMC Sierra 3500HD ProExplore our extensive inventory of new and pre-owned Buick and GMC vehicles at LaFontaine Buick GMC of Highland. Each vehicle is meticulously inspected to meet our high standards, guaranteeing you drive away in a reliable and stylish car. When you shop with us, you get more than just a car; you get the LaFontaine Family Deal. This means transparent pricing, exceptional customer service, and a commitment to making you feel like part of our family. Our team operates with integrity, respect, and a dedication to exceeding your expectations. Visit LaFontaine Buick GMC of Highland today and discover the perfect vehicle for your needs.Located at 4000 W Highland Rd, Highland, MI, LaFontaine Buick GMC Highland is easily accessible and open six days a week to serve you better. Whether you're looking for a new vehicle, need service, or want to explore financing options, our friendly staff is here to assist you. Check out the features on this 2026 GMC Sierra 3500HD 1SA Pro Safety Plus Package (Auto-Dimming Inside Rear-View Mirror, Lane Change Alert with Side Blind Zone Alert, Perimeter Lighting, Power-Adjustable Black Outside Mirrors, Rear Cross Traffic Alert, and Ultrasonic Front and Rear Park Assist), Convenience Package (EZ Lift Power Lock and Release Tailgate and LED Cargo Area Lighting), Snow Plow Prep/Camper Package (220 Amp Alternator), Suspension Package, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports, 2-Speed Electronic Shift Transfer Case, 3.73 Rear Axle Ratio, 4-Way Manual Driver Seat Adjuster, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, AM/FM radio, Auto High-beam Headlights, Automatic Emergency Braking, Black Assist Step, Brake assist, Buckle to Drive, Bumpers: chrome, Chrome Grille with Flat Black Grille Insert Bars, Compass, Delay-off headlights, Driver door bin, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar Services capable, Exterior Parking Camera Rear, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seats with Lockable Storage, Front anti-roll bar, Front Center Armrest w/Storage, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heavy-Duty 80 Amp-Hour Battery, Illuminated entry, IntelliBeam Automatic High Beam on/Off, Lane Departure Warning System, Low tire pressure warning, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Pickup Bed, Power steering, Power windows, Premium audio system: GMC Infotainment System, Push Button Start, Radio: AM/FM with GMC Infotainment System, Rear reading lights, Rear step bumper, Remote Keyless Entry, Remote keyless entry, Solar Absorbing Tinted Glass, Speed control, Split folding rear seat, Spray-on Pickup Bedliner, Tachometer, Tilt steering wheel, Traction control, Trip computer, Upfitter Switch Kit (5), Variably intermittent wipers, Vinyl Seat Trim, Voltmeter, and Wireless Phone Projection. Must qualify for GMS Pricing (General Motors Employee Pricing), Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026