2025 GMC Sierra 2500HD SLE $10,485 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 2025 GMC Sierra 2500HD Gooseneck/5th Wheel Prep Package (Spray-On Pickup Bedliner w/GMC Logo), Preferred Equipment Group 3SA (120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports, 2-Speed Electronic Shift Transfer Case, 4-Way Manual Driver Seat Adjuster, Chrome Surround Grille w/Chrome Insert Bars, Deep-Tinted Glass, Keyless Open & Start, OnStar Services Capable, Push Button Start, SiriusXM w/360L Trial Subscription, Steering Wheel Audio Controls, and Wireless Phone Projection), Preferred Package (Adaptive Cruise Control, Hitch Guidance w/Hitch View, In-Vehicle Trailering System App, LED Cargo Area Lighting, Power Sliding Rear Window w/Defogger, and Universal Home Remote), Remote Start Package (Electric Rear-Window Defogger, Remote Vehicle Starter System, and Unauthorized Entry Theft-Deterrent System), SLE Convenience Package (10-Way Power Driver Seat Adjuster w/Lumbar, A/C w/Dual-Zone Automatic Climate Control, LED Fog Lamps, LED Smoked Amber Roof Marker Lamps, and Manual Tilt-Wheel/Telescoping Steering Column), SLE Heated Package (Heated Driver & Front Outboard Passenger Seats and Heated Steering Wheel), SLE Value Package, Suspension Package, X31 Off-Road & Protection Package (18" Machined Aluminum Wheels and All-Weather Floor Liners (LPO)), X31 Off-Road Package (Hill Descent Control and Off-Road Suspension), 17" Machined Aluminum Wheels, 2-Speed Active Transfer Case, 220-Amp Alternator, 3.42 Axle Ratio, 3.73 Rear Axle Ratio, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 4" Round Chromed Tubular Assist Steps (LPO), 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, Automatic Emergency Braking, Brake assist, Buckle to Drive, Bumpers: chrome, Cloth Seat Trim, Compass, Delay-off headlights, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar, Engine Block Heater, Exhaust Brake, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seats, Front anti-roll bar, Front Center Armrest w/Storage, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, GMC MultiPro Tailgate, HD Rear Vision Camera Delete, Heated door mirrors, Heavy-Duty 80 Amp 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 Must qualify for GMS Pricing (General Motors Employee Pricing), Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 03/31/2026 $1500 - Active UAW-GM Hourly Employee Vehicle Allowance. Exp. 01/04/2027 $500 - GM Rewards Card Sales Sign Up and Spend Offer. Exp. 06/30/2026