A 6.6-liter gas V8 is standard and makes 401 horsepower and 464 lb-ft of torque. The optional turbocharged diesel also displaces 6.6 liters, and it makes a stout 470 hp and 975 lb-ft. Both engines employ a 10-speed automatic transmission to power the rear wheels. A four-wheel-drive system is available (standard on ZR2 and High Country).
WT
Standard equipment for the base version of the truck includes:
- 17-inch steel wheels
- Trailering mirrors
- Trailering equipment
- Vinyl upholstery and floor covering
- 40/20/40-split front bench seat
- 60/40-split folding rear bench seat (on double and crew cabs)
- Power windows
- Power door locks
- Remote keyless entry
- Push-button engine start
- Air conditioning
- 7-inch touchscreen infotainment system
- Wireless Apple CarPlay and Android Auto smartphone integration
- Forward collision warning with automatic braking (warns you of an impending collision and applies the brakes in certain scenarios)
- Lane departure warning (alerts you if the vehicle begins to drift out of its lane)
Custom
Builds on WT equipment with:
- 20-inch aluminum wheels
- All-terrain tires
- Power-adjustable trailering mirrors
- Cloth upholstery and carpeted floors
- Cruise control
LT
With the LT trim, the Silverado 2500HD has:
- 17-inch aluminum wheels
- Trailer brake controller (allows adjustment of a trailer's brakes from the cab)
- Low-effort tailgate (EZ Lift)
- Upgraded interior design and materials
- Digital instrumentation panel
- 13.4-inch touchscreen infotainment system
- Google built-in technology (provides enhanced voice command functionality and Google services integration)
- Integrated navigation system
LTZ
The LTZ trim level adds several upscale features, including:
- 18-inch aluminum wheels
- Enhanced trailering technology
- Electronic variable steering assist
- Upgraded two-speed transfer case (4WD)
- LED headlights
- Automatic windshield wipers
- Heated steering wheel
- Heated, power-folding and auto-dimming trailering mirrors
- Remote engine start
- Dual-zone automatic climate control
- Leather upholstery
- Power-adjustable, heated front seats
- Memory for the driver's settings
ZR2
The ZR2 off-road performance model adds:
- 18-inch black aluminum wheels
- Mud-terrain tires
- Four-wheel drive with a two-speed transfer case
- Electronic locking rear differential
- Hill descent control
- 1.5-inch suspension lift
- Performance off-road shocks
- Frame-mounted front recovery hooks
- Aluminum skid plates
- Spray-in bedliner
- Power tailgate
- Ventilated front seats
- Heated rear outboard seats
- Seven-speaker Bose premium sound system
- Wireless smartphone charger
- Safety package (see below)
- Surround-view camera system (gives you a top-down view of the ZR2 and its surroundings in tight parking situations)
- Rear parking sensors (alert you to obstacles that may not be visible behind the vehicle when parking)
- Blind-spot warning with rear cross-traffic warning (alerts you if a vehicle is in your blind spot during a lane change or while in reverse)
High Country
This loaded-up Silverado 2500HD sheds the ZR2's off-roading hardware but keeps the other upgrades, plus:
- 20-inch aluminum wheels
- Chrome side assist steps
- LED cargo bed lighting
- Front and rear parking sensors (alert you to obstacles that may not be visible in front of or behind the vehicle when parking)
Many standard features on the upper trim levels are available on the lower trims as stand-alone options or in packages. And, depending on the trim level, you can equip this truck with:
- Z71 off-road package (upgraded suspension, skid plates, hill descent control)
- ZR2 Bison Edition (ZR2 only; adds special 18-inch wheels and upgraded bumpers and skid plates)
- Trailering camera system (can display multiple trailer-based camera views on the touchscreen to aid with towing)
- Gooseneck/fifth-wheel towing hitch package
- Power takeoff unit (diverts engine power while idling to a large attachment; only available with diesel engine)
- Configurable tailgate (Chevy's Multi-Flex)
- Sunroof
- Adaptive cruise control (maintains a driver-set distance between your Silverado and the vehicle in front)
- Head-up display
- Digital rearview mirror