Sierra 3500

Spider

AWD4WD

8-Cylinder Turbo

Diesel

Recent Arrival!2026 GMC Sierra 3500HD White Sands 4WD SLE Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black Cloth, 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, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, AM/FM radio: SiriusXM with 360L, Auto High-beam Headlights, Automatic Emergency Braking, Brake assist, Buckle to Drive, Bumpers: chrome, Chrome Surround Grille with Chrome Insert Bars, Cloth Seat Trim, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Dual-Zone Automatic Climate Control, Electric Rear-Window Defogger, Electronic Stability Control, Emergency communication system: OnStar Services capable, Exterior Parking Camera Rear, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seats with Lockable Storage, 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, GMC MultiPro Tailgate Step Lights, GMC Premium 13.4 Diagonal Information Display, Gooseneck/5th Wheel Prep Package, Heated door mirrors, Heated Driver and Front Outboard Passenger Seats, Heated Steering Wheel, Heavy-Duty 80 Amp-Hour Battery, Illuminated entry, IntelliBeam Automatic High Beam on/Off, Keyless Open and Start, Lane Departure Warning System, LED Fog Lamps, Low tire pressure warning, Manual Tilt-Wheel/Telescoping Steering Column, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Pickup Bed, Power door mirrors, Power steering, Power windows, Premium audio system: Premium GMC Infotainment System, Push Button Start, Radio: AM/FM Stereo with Premium GMC Infotainment System, Rear reading lights, Rear step bumper, Remote keyless entry, Remote Start Package, Remote Vehicle Starter System, SiriusXM with 360L Trial Subscription, SLE Convenience Package, SLE Heated Package, SLE Value Package, Speed control, Split folding rear seat, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Steering wheel mounted audio controls, Suspension Package, Tachometer, Tilt steering wheel, Traction control, Trip computer, Turn signal indicator mirrors, Unauthorized Entry Theft-Deterrent System, Variably intermittent wipers, Voltmeter, Wireless Phone Projection, 10-Speed Automatic, 4WD, Jet Black Cloth.

New 2026 GMC Sierra 3500 SLE

New 2026 GMC Sierra 3500 SLE Mcallen TX 78501

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South Texas Buick GMC

Chattanooga

 for sale near you in Mcallen, TX. Get more information and car pricing for this vehicle on Autotrader.

New 2026 GMC Sierra 3500 SLE for sale in Mcallen, TX 78501: Truck Details - 766999868 - Autotrader