2026 GMC Sierra 1500 AT4Explore 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 1500 AT4 Preferred Package (Universal Home Remote), Preferred Equipment Group 4SB (120-Volt Bed Mounted Power Outlet, 120-Volt Interior Power Outlet, 2 Charge/Data USB Ports Inside Center Console, 2 Type-C Charge-Only Rear USB Ports, 2 USB Ports, 220 Amp Alternator, Auto-Locking Rear Differential, Black Chrome Grille Insert Bars, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Rain-Sensing Wipers, HD Surround Vision, Heated 2nd Row Outboard Seats, Heavy-Duty Air Filter, Hill Descent Control, Hitch View, Integrated Trailer Brake Controller, LED Cargo Area Lighting, Off-Road Suspension, OnStar Services Capable, Perimeter Lighting, Power Door Locks, Premium Bose 7-Speaker Sound System, Push Button Start, Rear Cross Traffic Braking, Rear Pedestrian Detection, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, Steering Wheel Audio Controls, Trailer Camera Provisions, Trailer Side Blind Zone Alert, Wheels: 20"" x 9"" Machined Aluminum, Wi-Fi Hotspot Capable, and Wireless Charging), Technology Package (Bed View Camera, Multicolor 15"" Diagonal Head-Up Display, and Rear Camera Mirror), Trailering Package (Hitch Guidance), 170 Amp Alternator, 3.23 Rear Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Auxiliary External Transmission Oil Cooler, Block heater, Brake assist, Buckle to Drive, Bumpers: body-color, Compass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual Active Exhaust, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar, External Engine Oil Cooling, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heated door mirrors, Heated front seats, Heated rear seats, Heated steering wheel, Illuminated entry, Low tire pressure warning, Memory seat, Navigation System, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Front Leather Seat Trim, Power door mirrors, Power driver seat, Power passenger seat, Power steering, Power Sunroof, Power windows, Radio data system, Radio: Premium GMC Infotainment Audio System, Rain sensing wipers, Rear rea Must qualify for GMS Pricing (General Motors Employee Pricing), Price includes: $1500 - Buick GMC Bonus Cash. Exp. 06/30/2026 $1750 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026 $3500 - GM Trade In Allowance Program. Exp. 06/30/2026