2023 GMC Sierra 2500HD SLT
2023 GMC Sierra 2500HD SLT Specs
The 2023 GMC Sierra 2500HD SLT comes equipped with a gasoline powered engine that produces 445 hp @ 2800 rpm and rear-wheel drive.
The Sierra 2500HD includes safety features like blind spot warning and lane departure warning. It comes with a backup camera & smart key with hands-free access and push button start for convenience. On the tech side, front wireless smart device charging & vehicle integrated emergency sos system are also standard on the SLT trim.
GMC backs these features with a factory warranty for 36 month/36,000 miles. See below for a complete list of Sierra 2500HD specifications or select a trim to see what comes standard on each.
Key Features
Base MSRP
Delivery fees excluded
$60,400*
Engine Type
Gasoline
Fuel Economy
N/A
Horsepower
445 hp @ 2800 rpm
Cargo Space
All Seats in Place
Seating
6
Drivetrain
rear-wheel drive
Warranty
36 month/36,000 miles
* MSRP, or Manufacturers Suggested Retail Price, is determined by the manufacturer of each brand, make, and model and may not reflect the price at which vehicles are sold in your region.
Powertrain and Mechanical
Engine Type and Required Fuel
Diesel fuel type
Engine Type and Required Fuel
Gasoline fuel type
Powertrain type
ICE
Drive type
Rear-wheel drive
Engine Cylinders
8
Displacement
6.6 L
Valves per cylinder
2
Valves per cylinder
4
HP
401 HP @ 5200 RPM
HP
445 HP @ 2800 RPM
Torque
464 lb.-ft. @ 4000 RPM
Torque
910 lb.-ft. @ 1600 RPM
Fuel Economy and Emissions
Emissions
California emissions
Emissions
Federal emissions
Emissions
LEV II emissions
Emissions
Mass emissions
Emissions
Non-state registration emissions
Emissions tiers
Tier 2 Bin 8 emissions
Convenience
Backup Camera
Rear mounted camera
Keyless Entry
Smart key with hands-free access and push button start
Heated door mirrors
Heated driver and passenger side door mirrors
Number of beverage holders
6 beverage holders
Comfort
Seating capacity
5
Seating capacity
6
Driver seat
Driver seat with 8-way directional controls
Driver seat lumbar support
Driver seat with 2-way power lumbar
Passenger seat
Front passenger seat with 8-way directional controls
Heated front seats
Heated driver and front passenger seats
Heated rear seats
Standard
Safety and Security
Blind Spot Monitoring
Blind spot warning
Lane Departure Warning
Lane departure warning
Automatic Emergency Braking
Brake assist system
Automatic Emergency Braking
Predictive brake assist system
Antilock Brakes
Four channel ABS brakes
Antilock Brakes
4-wheel antilock (ABS) brakes
Electronic stability control
Electronic stability control system with anti-roll
Traction control
All-speed ABS and driveline traction control
In-car Entertainment
Number of Speakers
6 speakers
Number of Speakers
7 speakers
External/USB memory
External memory control
Voice activated audio
Voice activated audio controls
Internet radio capability
Standard
Technology
Wireless Charging
Front wireless smart device charging
Mobile Device Emergency SOS
Vehicle integrated emergency SOS system
Wireless Handsfree Controls
Handsfree wireless device connectivity
Internet access
Mobile hotspot internet access
USB ports
4 USB ports
USB ports
6 USB ports
Factory Warranty
Basic
36 month/36,000 miles
Powertrain
60 month/100,000 miles (FLT)
Powertrain
60 month/60,000 miles
Corrosion
72 month/100,000 miles
Roadside Assistance
60 month/100,000 miles (FLT)
Roadside Assistance
60 month/60,000 miles
Interior Dimensions & Specs
First row head room
43"
First row shoulder room
66"
First row hip room
61.2"
First row leg room
44.5"
Second row head room
39.9"
Second row shoulder room
65.3"
Second row hip room
60.2"
Second row leg room
43.4"
Exterior Dimensions & Specs
Standard curb weight
6562 lbs.
Standard curb weight
7459 lbs.
Vehicle length
250.1"
Vehicle width
81.8"
Vehicle height
79.8"
Wheelbase
158.9"
Wheel size
18.0"
Wheel size
20.0"
Turning radius
26.35'