$1,000 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. Included on all qualified vehicles, see dealer for terms and exclusions! Come Experience the Seth Wadley Difference!!
2026 Summit White GMC Sierra 3500HD Pro 4D Crew Cab/Chassis 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, 2-Speed Electronic Shift Transfer Case, 3.73 Rear Axle Ratio, 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, Auto High-beam Headlights, Brake assist, Buckle to Drive, Bumpers: chrome, Chrome Grille with Flat Black Grille Insert Bars, Compass, Delay-off headlights, Driver door bin, Dual front impact airbags, Dual front side impact airbags, Dual rear wheels, Electronic Stability Control, Emergency communication system: OnStar Services capable, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Center Armrest w/Storage, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heavy-Duty 80 Amp-Hour 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, Power steering, Power windows, Premium audio system: GMC Infotainment System, Radio: AM/FM with GMC Infotainment System, Rear reading lights, Remote keyless entry, Solar Absorbing Tinted Glass, Speed control, Split folding rear seat, Suspension Package, Tachometer, Tilt steering wheel, Traction control, Trip computer, Variably intermittent wipers, Vinyl Seat Trim, Voltmeter, 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 price includes dealer $799 documentation fee. This price does not include required government charges including, but not limited to, state taxes, registration & title fees or emissions testing. Residency restrictions may apply to manufacturer rebates and incentives, see dealer for details. All vehicles are sold “as-is” unless expressly stated otherwise, see dealer for warranty details. Dealer reserves right to correct any pricing error prior to final sale. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 08/03/2026