2026 GMC Sierra 1500 SLT $13,537 off MSRP!Explore 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 High Capacity Suspension Package, ProGrade Trailering System (Hitch View and in-Vehicle Trailering System App), Sierra Safety Plus Package (HD Surround Vision, Rear Cross Traffic Braking, Rear Pedestrian Detection, Safety Alert Seat, Trailer Camera Provisions, Trailer Side Blind Zone Alert, and Ultrasonic Front and Rear Park Assist), SLT Convenience Package (2 Charge/Data USB Ports Inside Center Console, Electronic Precision Shift, Floor-Mounted Center Console, Front Bucket Seats, Power Rake and Telescoping Steering Column, Premium Bose 7-Speaker Sound System, Ventilated Driver and Front Passenger Seats, and Wireless Charging), SLT Preferred Package (Adaptive Cruise Control, Heated 2nd Row Outboard Seats, Power Sliding Rear Window with Rear Defogger, and Universal Home Remote), SLT Premium Plus Package (Chrome Wheel to Wheel Assist Steps and Spray-on Pickup Bedliner with GMC Logo), Standard Suspension Package, Trailering Package (Hitch Guidance), X31 Off-Road and Protection Package (All-Weather Floor Liner), X31 Off-Road Package (Dual Exhaust System, Heavy-Duty Air Filter, Hill Descent Control, Off-Road Suspension, and X31 Hard Badge), 10-Way Power Driver Seat Adjuster with Lumbar, 10-Way Power Passenger Seat Adjuster with Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Interior Power Outlet, 170 Amp Alternator, 2 Charge/Data USB Ports, 2 Type-C Charge-Only Rear USB Ports, 20"" Polished Aluminum Wheels, 3.23 Rear Axle Ratio, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, 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, Auto-Locking Rear Differential, Automatic Emergency Braking, Automatic temperature control, Auxiliary External Transmission Oil Cooler, Brake assist, Buckle to Drive, Bumpers: chrome, Chrome Header and Chrome Grille Insert Bars, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electronic Stability Control, Emergency communication system: OnStar, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seat, Front anti-roll bar, Front Center Armrest w/Storage, Front dual zone A/C, Front fog lights, Front Frame-Mounted Black Recovery Hooks, Front Pedestrian Braking, Front Rain-Sensing Wipers, Front reading lights, Front wheel independent suspension, Fully automatic headlights, HD Rear Vision Camera, Heated door mirrors, Heated Driver and Front Outboard Passenger Seating, Heated front seats, Heated steering wheel, Illumi Must qualify for GMS Pricing (General Motors Employee Pricing), Price includes: $1750 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026 $2500 - Buick GMC Bonus Cash. Exp. 06/30/2026 $3000 - GM Trade In Allowance Program. Exp. 06/30/2026