2026 GMC Sierra 3500HD SLT Crew Cab 4WD

At DeMontrond Buick GMC, we take pride in delivering a trusted, family-owned dealership experience right here in Houston. Since 1953, our mission has remained the same to provide dependable vehicles, expert service, and a welcoming, no-pressure environment for every customer. Whether youre searching for a new GMC truck, a stylish Buick SUV, or a quality pre-owned vehicle, our team is here to guide you every step of the way. Why Buy from DeMontrond Buick GMC As one of Houstons top-rated Buick and GMC dealerships, DeMontrond is recognized for exceptional value, service, and selection. We offer Warranty Forever, providing lifetime coverage on all new and most used vehicles at no additional cost. Our expansive inventory includes popular GMC models such as the Sierra, Canyon, Yukon, Terrain, and Acadia, along with Buick favorites including the Encore, Enclave, Envision, and Envista. Youll also find a wide range of certified pre-owned cars, trucks, and SUVs from all makes and models. With DeMontrond Direct, you can shop and buy online with fast approvals and convenient delivery options. Our Certified Service Center is staffed by GM-trained technicians who use genuine OEM parts for everything from regular maintenance to collision repairs. We also provide flexible financing through a broad network of lenders for all credit types and offer modern dealership amenities including free Wi-Fi, fresh coffee, a comfortable waiting area, a childrens play zone, loaner vehicles, and rental assistance. Family-owned and operated since 1953, DeMontrond Buick GMC continues to earn the trust and loyalty of drivers across Houston, Spring, The Woodlands, Tomball, and Cypress. Gooseneck/5th Wheel Prep Package (Spray-on Pickup Bedliner with GMC Logo), Heavy Duty Front Spring/Camper Package, Hitch Package, Preferred Equipment Group 4SA (10-Way Power Driver Seat Adjuster with Lumbar, 10-Way Power Passenger Seat Adjuster with Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 18" Machined Aluminum Wheels, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports, 2-Speed Active Transfer Case, 6-Speaker Audio System Feature, Chrome Surround Grille with Chrome Insert Bars, Deep-Tinted Glass, Driver Memory, Electric Rear-Window Defogger, Front 40/20/40 Split-Bench Seats with Lockable Storage, Front Rain-Sensing Wipers, Heated Driver and Front Outboard Passenger Seats, Keyless Open and Start, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, Power Front Windows with Passenger Express Up/Down, Push Button Start, Rear Wheelhouse Liners, Remote Vehicle Starter System, SiriusXM with 360L Trial Subscription, Steering Wheel Audio Controls, Unauthorized Entry Theft-Deterrent System, and Wireless Phone Projection), Sierra HD Pro Safety Plus Package (Bed View Camera with Two Trailer Camera Provisions, HD Surround Vision, Rear Cross Traffic Alert, 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, Bose Premium 7-Speaker Sound System, Floor-Mounted Center Console, Front Bucket Seats, LED Smoked Amber Roof Marker Lamps, 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 Defogger, and Universal Home Remote), Suspension Package, Texas SLT Premium Package, X31 Off-Road Package (Hill Descent Control and Off-Road Suspension), 10-Speed Automatic, 4WD, Black Leather, 220 Amp Alternator, 4-Wheel Disc Brakes, 6 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Brake assist, Buckle to Drive, Bumpers: chrome, Comp Price includes: $1000 - Purchase Allowance. Exp. 06/01/2026

Additional Information

SiriusXM with 360L Trial Subscription,Preferred Equipment Group 4SA,Upfitter Switch Kit (5),10-Way Power Driver Seat Adjuster with Lumbar,Driver Memory,Power Sliding Rear Window with Defogger,Front Bucket Seats,Rear Wheelhouse Liners,10-Way Power Passenger Seat Adjuster with Lumbar,Power Front Windows with Passenger Express Up/Down,Deep-Tinted Glass,Keyless Open and Start,Front 40/20/40 Split-Bench Seats with Lockable Storage,Winter Grille Cover,Push Button Start,Remote Vehicle Starter System,Electric Rear-Window Defogger,Front Rain-Sensing Wipers,Spray-on Pickup Bedliner with GMC Logo,Floor-Mounted Center Console,Pickup Bed,Heavy Duty Front Spring/Camper Package,Chrome Surround Grille with Chrome Insert Bars,Safety Alert Seat,Radio: AM/FM Stereo with Premium GMC Infotainment System,Hill Descent Control,Engine Block Heater,Exhaust Brake,Wireless Charging,Heated Driver and Front Outboard Passenger Seats,Heated 2nd Row Outboard Seats,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Ventilated Driver and Front Passenger Seats,Adaptive Cruise Control,220 Amp Alternator,Heavy-Duty 80 Amp-Hour Battery,Manual Tilt-Wheel/Telescoping Steering Column,2-Speed Active Transfer Case,Skid Plates,SLT Convenience Package,Texas SLT Premium Package,Sierra HD Pro Safety,SLT Preferred Package,Sierra HD Pro Safety Plus Package,Wireless Phone Projection,18" Machined Aluminum Wheels,Hitch Guidance with Hitch View,Wheels: 20" Bright Face with Dark Painted Pockets,GMC MultiPro Tailgate,Hitch Package,Perforated Leather-Appointed Front Outboard Seat Trim,Buckle to Drive,IntelliBeam Automatic High Beam on/Off,Trailer Camera Provisions,LED Smoked Amber Roof Marker Lamps,2 Charge/Data USB Ports Inside Center Console,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports,Ultrasonic Front and Rear Park Assist,Following Distance Indicator,Forward Collision Alert,LED Cargo Area Lighting,Rear Cross Traffic Alert,Lane Departure Warning System,Universal Home Remote,Automatic Emergency Braking,Steering Wheel Audio Controls,Front Pedestrian Braking,Trailer Side Blind Zone Alert,Bose Premium 7-Speaker Sound System,6-Speaker Audio System Feature,GMC Premium 13.4" Diagonal Information Display,Unauthorized Entry Theft-Deterrent System,HD Surround Vision,Bed View Camera with Two Trailer Camera Provisions,Front License Plate Kit,X31 Off-Road Package,Gooseneck/5th Wheel Prep Package,Off-Road Suspension,Suspension Package,4-Wheel Disc Brakes,Emergency communication system: OnStar Services capable,Premium audio system: Premium GMC Infotainment System,AM/FM radio: SiriusXM with 360L,Auto High-beam Headlights,Exterior Parking Camera Rear,Front Center Armrest w/Storage,Compass,Auto-dimming Rear-View mirror,Variably intermittent wipers,Turn signal indicator mirrors,Trip computer,Traction control,Tilt steering wheel,Telescoping steering wheel,Steering wheel mounted audio controls,Split folding rear seat,Speed-sensing steering,Speed control,Security system,Remote keyless entry,Rear window defroster,Rear step bumper,Rear seat center armrest,Rear reading lights,Rain sensing wipers,Power windows,Power steering,Power passenger seat,Power driver seat,Power door mirrors,Passenger vanity mirror,Passenger door bin,Panic alarm,Overhead console,Overhead airbag,Outside temperature display,Occupant sensing airbag,Memory seat,Low tire pressure warning,Illuminated entry,Heated steering wheel,Heated front seats,Heated door mirrors,Fully automatic headlights,Front wheel independent suspension,Front reading lights,Front fog lights,Front dual zone A/C,Front anti-roll bar,Dual front side impact airbags,Dual front impact airbags,Driver vanity mirror,Driver door bin,Delay-off headlights,Bumpers: chrome,Brake assist,Automatic temperature control,Auto-dimming door mirrors,Alloy wheels,ABS brakes,Voltmeter,Tachometer,Electronic Stability Control,Air Conditioning,6 Speakers