New 2026 GMC Sierra 2500HD AT4 For Sale DEL RIO, TX

Contact Brown Automotive Center Inc today for information on dozens of vehicles like this 2026 GMC Sierra 2500 HD AT4. This GMC includes: Optional Equipment: Safety and Security Cab clearance lights Video-feed rearview mirror Head-up display Convenience Garage door opener Diesel exhaust fluid (def) gauge Low level warning for oil, coolant, fuel, washer fluid, brake fluid and diesel exhaust fluid (DEF) Power rear windshield Comfort Vinyl/rubber front and rear secondary floor mats Transmission TRANS:ALLISON 10-SPEED AUTO Allison 10-speed automatic Overdrive transmission Lock-up transmission Automatic Exterior and Appearance Illuminated power running boards Non-metallic paint 5th wheel and gooseneck prep First-row sliding and tilting glass sunroof with power 1-touch activation sunshade Front license plate bracket Trailer tire pressure and temperature sensors Mechanical 11,750 lbs (5,330 Kg) GVWR Capped Fuel Fill Powertrain and Mechanical Diesel Compression ignition system Dual lead acid batteries Engine block heater Engine retarder system Heavy-duty rear springs Duramax 6.6L V-8 direct injection, intercooled turbo, diesel, engine with 470HP Duramax 6.6L V-8 Duramax V8 Intercooled turbo Tires & Wheels LT275/65R20E 126/123 Off-Road T/A KO3 Tires LT275/65SR20 AT BSW front and rear tires Exterior POWER SUNROOF First-row sliding and tilting glass sunroof with power 1-touch activation sunshade Power-Retractable Black Assist Steps Illuminated power running boards Front License Plate Kit Front license plate bracket LED ROOF MARKER LAMPS Cab clearance lights POWER SLIDING REAR WINDOW Rear window defroster Power rear windshield Winter Grille Cover Additional Options MAX TRAILERING PACKAGE 3500 HD FRAME, LEAF SPRINGS, 12 REAR AXLE, SHOCK PACKAGE, GOOSENECK/5TH WHEEL Heavy-duty ride suspension Heavy-duty gas-pressurized shock absorbers Heavy-duty rear springs AT4 Premium Plus Package Preferred Equipment Group 4SB Rancho gas-pressurized shock absorbers Dark chrome grille AM/FM/SiriusXM with 360Lsatellite AT4 Preferred Package Garage door opener Rear window defroster Power rear windshield Interior TECHNOLOGY PACKAGE Auto-dimming rear view mirror Video-feed rearview mirror Head-up display Redundant digital speedometer 1st and 2nd Rows All-Weather Floor Liners Vinyl/rubber front and rear secondary floor mats REAR CAMERA MIRROR Auto-dimming rear view mirror Video-feed rearview mirror Universal Home Remote Garage door opener MULTI-COLOR HEAD UP DISPLAY Head-up display Redundant digital speedometer Jet Black W/Kalahari Engine ENG: DURAMAX 6.6L TURBO-DIESEL Front mounted engine Diesel Compression ignition system Longitudinal mounted engine Iron engine block Aluminum cylinder head Dual lead acid batteries Battery run down protection Engine retarder system Federal emissions Retained accessory power Diesel exhaust fluid (def) gauge Low level warning for oil, coolant, fuel, washer fluid, brake fluid and diesel exhaust fluid (DEF) Duramax 6.6L V-8 direct injection, intercooled turbo, diesel, engine with 470HP Duramax 6.6L V-8 Duramax V8 Intercooled turbo 220-Amp Alternator Alternator Engine Block Heater Engine block heater Exhaust Brake Engine retarder system Dual Heavy-Duty 70 Amp Battery Dual lead acid batteries Battery run down protection Retained accessory power Paint Onyx Black Non-metallic paint Emissions Federal Emissions Requirements Federal emissions Trailering GOOSENECK/5TH WHEEL PREP PACKAGE Trailer wiring harness 5th wheel and gooseneck prep Trailer Tire Pressure Monitor Sensors Trailer tire pressure and temperature sensors Suspension 3.42 Axle Ratio *Note - For third party subscriptions or services, please contact the dealer for more information.* Do you encounter heavy snow, rain or mud when driving? No problem. With this vehicle, you've got the power of 4WD to help you overcome the toughest terrain. You've found the one you've been looking for. Your dream car. You can finally stop searching... You've found the one you've been looking for.