2020 GMC Sierra 3500HD
SLT 4x4 Crew Cab LB SRW

- / -
445 HP


Included Optional Not Available

Green Scores

No Green Scores

NHTSA Crash Test Ratings

No Crash Test Ratings Available


Front Brake Diameter 14.0
Rear Brake Diameter 14.2
4WD HUB Type Pushbutton Hubs
Axle Ratio 3.73
Exterior Dimensions
Length 266.09
Wheelbase 172.0
Height 80.67
Ground Clearance 11.1
Width 81.9
Front Track Width 68.1
Rear Track Width 68.3
Head Room 1st Row 43.0
Head Room 2nd Row/Rear 40.1
Hip Room 1st Row 61.2
Hip Room 2nd Row/Rear 60.2
Shoulder Room 1st Row 66.0
Shoulder Room 2nd Row/Rear 65.3
Leg Room 1st Row 44.5
Leg Room 2nd Row/Rear 43.4
Standard Seating 6
Max Seating 6
Seating Rows 2
Truck Specifications
Bed Length 98.3
Weights and Capacities
Max Payload 4398
Gross Vehicle Weight Rating 11500
Gross Vehicle Weight Range 10001-14000
Curb Weight 7064
Gross Combined Weight Rating 24000
Base Towing Capacity 14500
Tonnage 1
Fuel Tank Capacity 36.0
Max Towing Capacity 21040
Wheels and Tires
Front Wheel Diameter 18.0
Rear Wheel Diameter 18.0
Front Tire Description LT275/70R18E
Rear Tire Description LT275/70R18E
Front Wheel Size 18.0 x 8.0
Rear Wheel Size 18.0 x 8.0
Front Wheel Width 8.0
Rear Wheel Width 8.0
Tire Type All Terrain
Rear Brake Width 1.34
Front Brake Width 1.57
Exterior Dimensions
Turning Circle 57.0
Width without Mirrors 81.9

Installed Equipment

Air Conditioning
Air filtration
Front air conditioning automatic climate control
Front air conditioning zones dual
Rear vents second row
Airbag deactivation occupant sensing passenger
Front airbags dual
Side airbags front
Side curtain airbags front, rear
Side-curtain airbag rollover sensor
Audio System
Antenna type diversity, mast
Auxiliary audio input Bluetooth, USB, iPod/iPhone, memory card slot
Radio AM/FM, HD radio, touch screen display, voice operated
Radio data system
Satellite radio SiriusXM
Speed sensitive volume control
Total speakers 6
ABS 4-wheel
Braking assist
Electronic brakeforce distribution
Electronic parking brake auto off
Front brake type ventilated disc
Power brakes
Rear brake type ventilated disc
Comfort Features
Armrests front center, rear center with cupholders, rear folding
Door trim leather, simulated wood
Floor mat material carpet
Floor material carpet
Floor mats front, rear
Heated steering wheel
Steering wheel trim leather
Convenience Features
Assist handle front, rear
Capless fuel filler system
Cruise control
Cupholders front, rear
Easy entry power driver seat
Memorized settings 2 driver, driver seat, side mirrors
Multi-function remote panic alarm, proximity entry system
One-touch windows 4
Power outlet(s) 115V cargo area, 115V front, 12V front, 12V rear
Power steering variable/speed-proportional
Power windows lockout button
Push-button start
Reading lights front, rear
Rearview mirror auto-dimming
Remote engine start
Retained accessory power
Steering wheel tilt and telescopic
Steering wheel mounted controls audio, cruise control, multi-function, phone, voice control
Storage door pockets, front seatback, in seat cushion, under rear seats
Vanity mirrors dual illuminating
4WD selector electronic hi-lo
4WD type part time w/ on demand setting
Locking differential rear
Alternator 170 amps
Auxiliary oil cooler
Battery heavy duty, maintenance-free
Battery rating 720 CCA
Battery saver
Exterior Features
Bumper detail rear step
Door handle color chrome
Exhaust tip color stainless-steel
Fender lip moldings black
Front bumper color chrome
Grille color chrome, chrome surround
Hood scoop
Mirror color chrome
Pickup bed light LED
Pickup bed type fleetside
Rear bumper color chrome
Tailgate lift assist, multi-function split-folding, power locking, removable
Tailgate protection cap
Window trim stainless steel
In Car Entertainment
Connected in-car apps app marketplace integration
Infotainment Android Auto ready, Apple CarPlay ready, GMC Infotainment System
Infotainment screen size 8 in.
Digital odometer
Driver information system
Engine hour meter
External temperature display
Fuel economy display MPG, range
Gauge oil pressure, tachometer
Instrument cluster screen size 4.2 in.
Multi-function display
Trip computer
Trip odometer 2
Warnings and reminders lamp failure, low fuel, engine oil, coolant, low battery, maintenance due, tire fill alert
Daytime running lights LED
Exterior entry lights puddle lamps, security approach lamps
Front fog lights LED
Headlights LED, auto delay off, auto on/off, wiper activated
Taillights LED
Side mirror adjustments power, power folding, power telescoping, reverse gear tilt
Side mirror type spotter mirror, towing
Side mirrors auto-dimming, heated, integrated turn signals
Camera system rearview
Check rear seat reminder
Child safety door locks
Child seat anchors LATCH system
Programmable safety key
Rearview monitor in dash
Emergency locking retractors front
Front seatbelts 3-point
Rear seatbelts 3-point
Seatbelt pretensioners front
Seatbelt warning sensor front
Driver seat heated
Driver seat power adjustments height,