$3,000 off MSRP!
The Seth Wadley Promise is a Lifetime Engine Guarantee, Lifetime Oil Changes, Lifetime Multi-point Inspections, Lifetime Pre-Vacation Vehicle Check-Up, Identity Theft Protection for 1 year, Road Hazard Tire & Wheel Coverage for 1 year, Dent & Ding Coverage for 1 year, Windshield Coverage for 1 year, Towing for 1 year, Enrollment in our Difference Rewards Program. All at NO COST to you! Come Experience the Seth Wadley Difference!!
2026 Summit White GMC Sierra 3500HD SLE 4D Crew Cab 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic

This GMC Sierra 3500HD has many features and is well equipped including, Lifetime Engine Guarantee, Lifetime Oil Changes, 10-Way Power Driver Seat Adjuster with Lumbar, 120-Volt Instrument Panel Power Outlet (400 Watts), 17" Painted Steel Wheels, 170 Amp Alternator, 2 Charge-Only Rear USB Ports, 2-Speed Electronic Shift Transfer Case, 220 Amp Alternator, 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, Apple CarPlay/Android Auto, Auto High-beam Headlights, Brake assist, Buckle to Drive, Bumpers: chrome, Chrome Surround Grille with Chrome Insert Bars, Cloth Seat Trim, Compass, Compass Located in Instrument Cluster, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Dual rear wheels, Dual-Zone Automatic Climate Control, Electric Rear-Window Defogger, Electronic Stability Control, Emergency communication system: OnStar Services capable, Engine Block Heater, Exhaust Brake, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seat, Front anti-roll bar, Front Bucket Seats, Front Center Armrest w/Storage, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, GMC Premium 13.4" Diagonal Information Display, 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, Power door mirrors, Power steering, Power windows, Preferred Equipment Group 3SA, Premium audio system: Premium GMC Infotainment System, Radio: AM/FM Stereo with Premium GMC Infotainment System, Rear reading lights, Remote keyless entry, Remote Start Package, Remote Vehicle Starter System, SiriusXM with 360L Trial Subscription, SLE Convenience Package, SLE Heated Package, Speed control, Split folding rear seat, 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, Winter Grille Cover, Wireless Charging, Wireless Phone Projection.
HOME OF THE SETH WADLEY PROMISE OIL CHANGES AND ENGINES FOR LIFE. PUT A LITTLE GRAVEL IN YOUR TRAVEL AND SEE US I-35 EXIT 72 PAULS VALLEY! Advertised pricing is believed to be accurate, but cannot be guaranteed, call dealer to confirm. Residency restrictions may apply to manufacturer rebates and incentives, see dealer for details. State/local taxes, title fees, and not included in advertised price. Price includes dealer $799 documentation fee. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026