2026 GMC Sierra 2500HD SLE Double Cab 4WD

This NEW 2026 Onyx Black GMC Sierra 2500HD SLE 6.6L V8 10-Speed Automatic 4WD is well equipped and includes these features and benefits: Gooseneck/5th Wheel Prep Package (Spray-on Pickup Bedliner with 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 with Chrome Insert Bars, Deep-Tinted Glass, Keyless Open and Start, OnStar Services Capable, Push Button Start, SiriusXM with 360L Trial Subscription, Steering Wheel Audio Controls, and Wireless Phone Projection), 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 with Lumbar, A/C with 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 and Front Outboard Passenger Seats and Heated Steering Wheel), SLE Value Package, Suspension Package, X31 Off-Road and Protection Package (18" Machined Aluminum Wheels and All-Weather Floor Liners), X31 Off-Road Package (Hill Descent Control and Off-Road Suspension), 10-Speed Automatic, 4WD, Black Cloth, 17" Machined Aluminum Wheels, 3.73 Rear Axle Ratio, 4-Way Manual Passenger Seat Adjuster, 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, 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, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seats, Front anti-roll bar, Front Center Armrest w/Storage, Front License Plate Kit, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, 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 door bin, Passenger vanity mirror, Pickup Box, Power door mirrors, Power steering, Power windows, Premium audio system: Premium GMC Infotainment System, Radio: AM/FM Stereo with Premium GMC Infotainment System, Rear reading lights, Rear step bumper, Rear Wheelhouse Liners, Remote keyless entry, Speed control, Split folding rear seat, Steering wheel mounted audio controls, Tachometer, Tilt steering wheel, Traction control, Trip computer, Turn signal indicator mirrors, Variably intermittent wipers, and Voltmeter. 10-Speed Automatic, 4WD, Black Cloth. At O'Fallon Buick GMC, we're more than just a car dealership in O'Fallon. We're also members of the greater St Peters, Chesterfield, St Louis and St Charles MO communities, who work and live here just like you, and we want only what's best for our neighbors. We strive to support community initiatives and events, and we're committed to delivering the best customer service around. Price includes: $500 - Purchase Allowance. Exp. 04/30/2026

Additional Information

SiriusXM with 360L Trial Subscription,Preferred Equipment Group 3SA,4-Way Manual Driver Seat Adjuster,10-Way Power Driver Seat Adjuster with Lumbar,4-Way Manual Passenger Seat Adjuster,Deep-Tinted Glass,Keyless Open and Start,Front 40/20/40 Split-Bench Seats,Rear Wheelhouse Liners,Remote Start Package,Push Button Start,Remote Vehicle Starter System,Electric Rear-Window Defogger,Spray-on Pickup Bedliner with GMC Logo,A/C with Dual-Zone Automatic Climate Control,Pickup Box,Chrome Surround Grille with Chrome Insert Bars,3.73 Rear Axle Ratio,Radio: AM/FM Stereo with Premium GMC Infotainment System,Hill Descent Control,Heated Driver and Front Outboard Passenger Seats,120-Volt Bed Mounted Power Outlet,Heated Steering Wheel,120-Volt Instrument Panel Power Outlet,Heavy-Duty 80 Amp Battery,Manual Tilt-Wheel/Telescoping Steering Column,2-Speed Electronic Shift Transfer Case,Skid Plates,SLE Convenience Package,Sierra HD Pro Safety,SLE Value Package,Wireless Phone Projection,18" Machined Aluminum Wheels,17" Machined Aluminum Wheels,X31 Off-Road and Protection Package,All-Weather Floor Liners,Cloth Seat Trim,LED Fog Lamps,Buckle to Drive,IntelliBeam Automatic High Beam on/Off,LED Smoked Amber Roof Marker Lamps,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports,OnStar Services Capable,Following Distance Indicator,Forward Collision Alert,Lane Departure Warning System,Automatic Emergency Braking,Steering Wheel Audio Controls,Front Pedestrian Braking,6-Speaker Audio System Feature,Unauthorized Entry Theft-Deterrent System,Front License Plate Kit,X31 Off-Road Package,Gooseneck/5th Wheel Prep Package,Off-Road Suspension,Suspension Package,SLE Heated Package,4-Wheel Disc Brakes,Apple CarPlay/Android Auto,Premium audio system: Premium GMC Infotainment System,Emergency communication system: OnStar,AM/FM radio: SiriusXM with 360L,Auto High-beam Headlights,Front Center Armrest w/Storage,Compass,Variably intermittent wipers,Turn signal indicator mirrors,Trip computer,Traction control,Tilt steering wheel,Steering wheel mounted audio controls,Split folding rear seat,Speed control,Remote keyless entry,Rear step bumper,Rear reading lights,Power windows,Power steering,Power door mirrors,Passenger vanity mirror,Passenger door bin,Panic alarm,Overhead console,Overhead airbag,Outside temperature display,Occupant sensing airbag,Low tire pressure warning,Illuminated entry,Heated door mirrors,Fully automatic headlights,Front wheel independent suspension,Front reading lights,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,Alloy wheels,ABS brakes,Voltmeter,Tachometer,Electronic Stability Control,Air Conditioning,6 Speakers