2020 GMC Sierra 3500HD Performance

TBC
Price (MSRP)

2020 GMC Sierra 3500HD Engine and Transmission

GMC Sierra 3500HD has 1 transmission option for 2020:

  • 6-Speed Automatic
GMC Sierra 3500HD
Chevrolet Silverado 2500HD
Chevrolet Silverado 3500HD
Horsepower 401 @ 5200 401 @ 5200 401 @ 5200
Torque 464 @ 4000 464 @ 4000 464 @ 4000
Transmission 6-Speed Automatic 6-Speed Automatic 6-Speed Automatic

Drivetrain

2020 GMC Sierra 3500HD is available in Rear Wheel Drive and Four Wheel Drive

MPG

Most fuel efficient 2020 GMC Sierra 3500HD with and 6-Speed Automatic transmission, available in Base, SLE, SLT, AT4 and 1 other trim.

GMC Sierra 3500HD
Chevrolet Silverado 2500HD
Chevrolet Silverado 3500HD
Fuel Tank Capacity 36 gallons 36 gallons 36 gallons