Home Car Brands GMC 2020 GMC Sierra 3500HD Double Cab

2020 GMC Sierra 3500HD Double Cab - Specs, Features, 0-60 and Top Speed

Trims

performance

zero to 60 mph6.4 sec

engines

valvetrainOverhead Valves (OHV)
transmission6-Speed Automatic
engine typeV8
compression ratio10.80 to 1
valves32
engine bore x stroke4.1 x 3.9
engine size6.6 L
engine horsepower401 hp @ 5200 rpm
engine torque464 lb.-ft. @ 4000 rpm
intake manifoldVariable
cylinder headAluminum
engine blockAluminum

MPGs

fuel tank capacity36 gal.
fuel typeBiodiesel

interiors

cargo capacity all seats in place7.8 cu.ft.
front headroom37.8 in.
front legroom41.2 in.
front shoulder room52.1 in.
cargo capacity all seats folded17.3 cu.ft.
maximum cargo capacity17.3 cu.ft.
bed length98 cu.ft.
passenger capacity6
passenger volume58.9 cu.ft.
2nd row headroom32.6 in.
2nd row legroom35.2 in.
2nd row shoulder room48.1 in.

exterior dimensions

cab to axle55.2 in.
front tread68.1 in.
ground clearance11.2 in.
height80.9 in.
length256.5 in.
payload4373 lbs.
rear gawr7250 lbs.
rear tread68.3 in.
turning radius26.9 in.
wheelbase162.5 in.
width81.9 in.

towing

maximum towing capacity21490 lbs.
fixed tow barNo

brake

brake assistYes
brake dryingNo
electronic brakeforce distributionNo
abs and driveline traction controlYes
abs channels4
power regenerationNo
front brakeVentilated Disc Brakes
rear brakeVentilated Disc Brakes
rear brake rotor diam x thickness14.1
front brake rotor diam x thickness14

transmission

drivetrainRear Wheel Drive
overdriveNo
standard transmission6-Speed Automatic
transmission electronic controlNo
transmission oil coolerNo
paddle shiftersNo