As great as the Chevy Colorado ZR2 and the Silverado 1500 ZR2 are, sometimes you just want something bigger and badder for off-road duties. This is where the new 2024 Chevrolet Silverado HD ZR2 comes in. It offers the off-road capability inherent to the name, but it offers even more than the smaller Colorado ZR2 and the Silverado 1500 ZR2 siblings. The new Silverado HD ZR2 even includes a Bison model that dials things up even more. 

silverado hd zr2 grey

The new Silverado HD ZR2 uses the 2500 HD crew cab as the base, and then Chevy adds a redesigned suspension system with racing-derived Multimatic DSSV spool-valve dampers and a 1.5-inch lift kit. The result is an impressive 32.5-degree approach angle, a 25.7-degree departure angle, and a 21.2-degree breakover angle. Ground clearance is 11.6 inches. For comparison's sake, the Colorado ZR2's is 10.7 inches, and the 1500 ZR2 is 11.2 inches. 

silverado hd zr2 towing

The Silverado HD ZR2's also gets model-specific front upper and lower control arms and steering knuckles, an electronic rear locking differential, and an Off-Road driving mode that automatically adjusts ABS and stability control while allowing the rear axle to lock at any speed and providing great traction in slippery situations, as a result. 

silverado hd zr2 shocks

In terms of looks, the ZR2 gets bits that separate it from the regular Silverado: a black grille with a Flow-Tie emblem, red tow hooks, black 18-inch wheels shod with 35-inch Goodyear Wrangler Territory MT tires, and bold "ZR2" emblems all over. The result is a more menacing truck that looks ready to take on just about anything. The bigger tires, added clearance, black trim, and the red tow hooks give the Silverado a more purposeful look than its standard brethren.

silverado hd zr2 cabin

The cabin is still pretty utilitarian with its Black and Graystone leather upholstery, black trim, and easy-care materials that Chevrolet describes as being "simple to wipe clean after a day in the dirt." The in-car technology takes the form of a large 12.3-inch digital instrument cluster and a huge 13.4-inch landscape-oriented infotainment touchscreen. A vivid 15-inch head-up display is optional that includes an inclinometer for climbing duties. 

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The ZR2 Bison's Upgrades

silverado hd zr2 red rear 34

Even more serious than the heavy-duty ZR2's specs, the Bison model is possible thanks to Michigan-based American Expedition Vehicles (AEV) that gets even more off-road goodness (and visual toughness). There are some obvious visual changes, but they mostly take the form of badging since the regular ZR2 is already pretty rugged-looking all on its own.

zr2 towing

The Bison comes with AEV emblems and logos inside and out, 18-inch wheels, a high-approach, winch-ready steel front bumper, a stamped-steel rear bumper, and steel underbody skid plates to shield the steering rack, the exhaust system, and the transfer case The Bison has a 29.8-degree approach angle, a 21.2-degree breakover angle, and a 22.6-degree departure angle.

silverado hd zr2 bison underbody

The base engine in the HD ZR2 is a 6.6-liter V8 that's good for 401 horsepower and 464 lb-ft of torque. Upgrade to the 6.6-liter turbodiesel V8, and you get 470 horsepower and 975 lb-ft. Transmission duties for both engines is a 10-speed automatic transmission with a two-speed transfer case. The gas version can handle a 3,397-pound payload, while the turbodiesel is rated for 3,193 pounds of payload capacity. In terms of towing, the diesel wins with a whopping 18,500-pound towing capacity, whereas the gas V8 will move 16,000 pounds.

No pricing or a release date have been disclosed yet, but we expect the 2024 Chevy Silverado HD ZR2 to go on sale later this year. The Bison version will be extremely limited and provided to certain Chevy dealerships, so you'll have to inquire directly. 

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