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Hotspot Wi-Fi
Wireless Apple CarPlay Smartphone integration
Wireless Android Auto Smartphone integration
MyGMC With Connected Access Smart device app compatibility
Bluetooth Wireless data link
Voice Operated Hands-free phone call integration
Voice Operated Radio
Bluetooth Auxiliary audio input
HD Radio Radio
8 In. Infotainment screen size
Touch Screen Display Radio
App Marketplace Integration Connected in-car apps
With Read Function Electronic messaging assistance
Voice Operated Electronic messaging assistance
SiriusXM Satellite radio
6 Total speakers
USB Auxiliary audio input
IPod/iPhone Auxiliary audio input
OnStar Satellite communications
Voice Guided Directions Satellite communications
GMC Infotainment System Infotainment
Maintenance Status Smart device app function
Memory Card Slot Auxiliary audio input
Roadside Assistance Driver assistance app
AM/FM Radio
Radio data system
Speed sensitive volume control

Frequently asked questions about 2021 GMC Sierra 2500HD SLT

What type of fuel does a 2021 GMC Sierra 2500HD SLT use?
A 2021 GMC Sierra 2500HD SLT uses Diesel.
What is the 2021 GMC Sierra 2500HD SLT fuel capacity?
A 2021 GMC Sierra 2500HD SLT has the fuel capacity of 36 gallons.
Is the 2021 GMC Sierra 2500HD SLT turbocharged?
Yes, the 2021 GMC Sierra 2500HD SLT is equipped with a Turbo.
How much horsepower does a 2021 GMC Sierra 2500HD SLT have?
A 2021 GMC Sierra 2500HD SLT has 445 horsepower.
How much torque does a 2021 GMC Sierra 2500HD SLT have?
A 2021 GMC Sierra 2500HD SLT has 910 lb-ft torque.
What is the 2021 GMC Sierra 2500HD SLT load capacity?
A 2021 GMC Sierra 2500HD SLT has a load capacity of 3862 lbs.
What is the 2021 GMC Sierra 2500HD SLT towing capacity?
A 2021 GMC Sierra 2500HD SLT has a towing capacity of 18500 lbs.
What safety features does the 2021 GMC Sierra 2500HD SLT have?
The 2021 GMC Sierra 2500HD SLT is equipped with check rear seat reminder, rearview camera system, front side airbags, rear side curtain airbags, front side curtain airbags, 4-wheel abs, anti-lockout power door locks, auto-locking power door locks, programmable safety key, auto off electronic parking brake, trailer stability control, ventilated disc rear brake, alarm anti-theft system, braking assist, hill holder control, ventilated disc front brake, dual front airbags, vehicle immobilizer anti-theft system, power brakes, latch system child seat anchors, electronic brakeforce distribution, stability control, traction control, in dash rearview monitor, occupant sensing passenger airbag deactivation, front seatbelt pretensioners, front emergency locking retractors, roll stability control, front seatbelt warning sensor.
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While we make every effort to ensure the data listed here is correct, there may be instances where some of the factory rebates, incentives, options or vehicle features may be listed incorrectly as we get data from multiple data sources. PLEASE MAKE SURE to confirm the details of this vehicle (such as what factory rebates you may or may not qualify for) with the dealer to ensure its accuracy.While we make every effort to prevent pricing errors, key stroke and human errors do occur. Dealer cannot be held liable for data that is listed incorrectly.