2025 GMC Sierra 2500

Thunderstorm Gray 2025 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThe All New DeYarman Automotive of Knoxville is setting the new standard of excellence for the automotive ownership experience. Our core values of trust, honesty, integrity, and hardwork have prepared us to exceed your expectations not just during the purchase, but throughout your entire ownership experience. Come see why more customers enjoy doing business with the all new DeYarman Automotive of Knoxville. Dealer Disclosure: Sales Tax, Title, License Fee, Registration Fee, $180 Dealer Documentary Fee, Finance Charges and Emission Testing Fees (if applicable) are additional to the advertised price.New vehicle pricing includes all offers and incentives. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us or by visiting us at the dealership. Equipped withAT4 Preferred Package (LED Smoked Amber Roof Marker Lamps, Power Sliding Rear Window w/Defogger, and Universal Home Remote), AT4 Premium Plus Package (Off-Road High Clearance Step (LPO) and Power Sunroof), Gooseneck/5th Wheel Prep Package, Preferred Equipment Group 4SB (120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Deep-Tinted Glass, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Prem Floor Liners w/Removable Carpet Insert, Front Rain-Sensing Wipers, Gloss Black Header Grille & Grille Insert Bars, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, OnStar Services Capable, Power Front Passenger Windows w/Express Up/Down, Push Button Start, Rear Cross Traffic Alert, Rear Prem Floor Liners w/Removable Carpet Insert, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, SiriusXM w/360L Trial Subscription, Spray-On Pickup Bedliner w/GMC Logo, Steering Wheel Audio Controls, Trailer Cam Provisions & Trailer Viewing Software, Trailer Side Blind Zone Alert, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Ventilated Driver & Front Passenger Seats, Wireless Charging, and Wireless Phone Projection), Snow Plow Prep/Camper Package (220-Amp Alternator), Technology Package (Inside Rearview Auto-Dimming Rear Camera Mirror and Multicolor 15'' Diagonal Head-Up Display), X31 Off-Road Package (Hill Descent Control), 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 3.42 Axle Ratio, 3.73 Rear Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Brake assist, Buckle to Drive, Bumpers: body-color, Compass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system, Engine Block Heater, Exhaust Brake, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heated door mirrors, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp Battery, High Idle Switch, Hitch Guidance w/Hitch View, Illuminated entry, In-Vehicle Trailering System App, IntelliBeam Automatic H