Download the 2020 GMC Sierra PDF car owner’s manual

The 2020 GMC Sierra owner’s manual contains information on the operation and location of controls, a maintenance schedule and specific technical information like recommended fluid types, light bulb part numbers and electronic system controls. The PDF manual will help you troubleshoot common problems and operate your vehicle safely.

Technical Specifications

BrandGMC
ModelSierra HD
Trim LevelSierra HD Crew Cab Long Box
Doors4
Horsepower360
RPM5400
Start of Production2018
Body TypePick-up
Seats5
Wheelbase4258
Engine Displacement5965
Fuel TypePetrol (Gasoline)
DrivetrainAll wheel drive (4x4)
Automatic Transmission Gears6
Model Year2018