Pre-Owned 2026 RAM 3500 Longhorn For Sale Houston, TE

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 you’re 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 Houston’s 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. You’ll 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 children’s 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.Longhorn Level 1 Equipment Group (Active Lane Management System, Adaptive Steering System, Center Stop Lamp with Cargo View Camera, Digital Rearview Mirror, Drowsy Driver Detection, LED Bed Lighting, MOPAR Spray in Bedliner, MOPAR Trailer Camera Wiring with No Camera, Power Deployable Running Boards, Surround View Camera System, Traffic Sign Recognition, Trailer Reverse Guidance, and Trailer Tire Pressure Monitoring System), Max Tow Package (5th Wheel/Gooseneck Towing Prep Group, Auto Level Rear Air Suspension, Pickup Box, Vendor Painted Cargo Box, and Vendor Painted Cargo Box Tracking), Quick Order Package 24K Longhorn (I/P Aluminum Litho Bezels with Real Wood #1, Longhorn Badge, Longhorn Instrument Cluster Theme 3, Luxury Front and Rear Floor Mats, Premium Door Trim Panel, and Premium Filigree Leather Seats), Tow Technology Plus Group (Digital 3.0 Rear View Auto Dim Mirror and Trailer Reverse Steering Control), 17 Speakers, 3.42 Axle Ratio, 4-Wheel Disc Brakes, 6,000 lbs Front Axle with Hub Extension, ABS brakes, Adjustable pedals, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Audio memory, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic temperature control, Black Wheel Center Hub, Bodyside moldings, Box and Rear Fender Clearance Lamps, Brake assist, Bumpers: body-color, Center Hub, Clearance Lamps, Compass, Delay-off headlights, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Dual Rear Wheel Fender Flare Tracking, Dual Rear Wheels, Electronic Stability Control, Front anti-roll bar, Front Bucket Seats, Front Center Armrest w/Storage, Front dual zone A/C, Front fog lights, Front License Plate Bracket, Front reading lights, Fully automatic headlights, Garage door transmitter, Genuine wood console insert, Genuine wood dashboard insert, Genuine wood door panel insert, harman/kardon® Speakers, Heated door mirrors, Heated front seats, Heated rear seats, Heated steering wheel, Illuminated entry, Leather steering wheel, Low tire pressure warning, Memory seat, Navigation System, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, ParkView