Contact Carlisle Cadillac Buick GMC today for information on dozens of vehicles like this 2021 GMC Sierra 2500HD SLT. This GMC includes: TRAILER TIRE PRESSURE MONITOR SENSORS Tire Pressure Monitor ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged GVWR, 11,350 LBS GOOSENECK / 5TH WHEEL PACKAGE Back-Up Camera Bed Liner WHEELS, 18" Aluminum Wheels EMISSIONS, CONNECTICUT, DELAWARE, MAINE, MARYLAND, MASSACHUSETTS, NEW JERSEY, NEW YORK, OREGON, PENNSYLVANIA, RHODE ISLAND, VERMONT AND WASHINGTON STATE REQUIREMENTS DRIVER ALERT PACKAGE II Lane Departure Warning REAR AXLE, 3.42 RATIO HEAVY DUTY FRONT SPRING/CAMPER PACKAGE TRANSMISSION, ALLISON 10-SPEED AUTOMATIC A/T 10-Speed A/T SLT PREMIUM PACKAGE Bed Liner Running Boards/Side Steps HIGH IDLE SWITCH *Note - For third party subscriptions or services, please contact the dealer for more information.* There's a level of quality and refinement in this GMC Sierra 2500HD SLT that you won't find in your average vehicle. Take home this GMC Sierra 2500HD SLT, and you will have the power of 4WD. It's a great feature when you need to drive over tricky terrain or through inclement weather. You can finally stop searching... You've found the one you've been looking for.