IntelliLink with an 8-inch-diagonal color touchscreen, Teen Driver, remote-locking tailgate, remote starting system, Rear Vision Camera, adjustable pedals, leather-trimmed seats, heated front seats and wireless mobile device charging. A 6.0-liter gasoline engine is standard, but the 6.6-liter Duramax Diesel turbo-diesel V-8 is also available. This delivers and of torque. The Sierra HD All Terrain X also includes the Z71 off-road suspension package, which adds front underbody and transfer case skid plates, twin-tube Rancho shocks, hill descent control, and off-road information graphics in the Driver Information Center. An Eaton automatically locking rear differential (4.10:1) is also standard equipment. 2017 Special Edition Chevrolet There were several additions to this year's Special Editions for the Silverado series shown in boldface. They are the following series of Midnight, Midnight HD, Rally 1, Rally 2, High Desert, Custom Sport HD, Realtree, Special Ops, Alaskan (Available on HD series only), Redline and Black Out. The remaining Special Edition listed in the 2017 Chevrolet Silverado brochure were All Star Edition and Texas Edition. New for 2017 was the High Desert option package. This package brought a new innovative lockable storage system into the bed of the Silverado 1500 Crew Cab model. The system includes a three-piece hard tonneau cover, dual lockable storage bins on each side of the truck bed, and a removable bed divider to keep items separate and from moving around the truck bed while the vehicle is in motion. Avalanche-like plastic fairings were also added to the rear of the cab. The High Desert package was available on both two-wheel-drive and four-wheel-drive LT, LTZ, and High Country trim levels. It was not available on LTZ models with the Z71 off-road package. LT models with the High Desert package receive the same LED taillamps as the LTZ, and High Country trims. Magnetic Ride Control is optional on High Country High Desert. 2018 Special Edition To commemorate the 100th anniversary of Chevy Trucks, GM introduced special edition models of the Chevrolet Silverado and the smaller Chevrolet Colorado. Chevrolet Chevrolet introduced the Centennial Edition Chevrolet Silverado for 2018. Only available in a Crew Cab Short Box LTZ Z71 configuration, the Centennial Edition added Centennial Blue Metallic paint, 22-inch painted-aluminum wheels with chrome inserts and special 100-years Chevrolet Bowtie emblems. In addition to the Centennial Edition, the remaining Silverado Special Editions were virtually unchanged from the last year model. 2019 Silverado LD Chevrolet continued production of the third-generation