Home Car Brands GMC 2020 GMC Sierra 2500HD Double Cab

2020 GMC Sierra 2500HD Double Cab - Specs, Features, 0-60 and Top Speed

Trims

performance

zero to 60 mph6.5 sec

engines

valvetrainOverhead Valves (OHV)
transmission6-Speed Shiftable 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
engine orientationlongitudinal
engine oil cooler1
valve timing1
cylinder headAluminum
engine blockAluminum
vehicle emissionLow Emission Vehicle II

MPGs

fuel economy city15 mpg
fuel economy highway21 mpg
fuel economy combined18 mpg
fuel tank capacity36 gal.
fuel typeFlex-Fuel Unleaded

interiors

3rd row head room40.1 in.
3rd row leg room36.3 in.
3rd row shoulder room42.8 in.
cargo capacity all seats in place69.5 cu.ft.
front headroom43.03 in.
front hiproom61.18 in.
front legroom44.53 in.
front shoulder room66.02 in.
interior cargo length to rear seat33.8 in.
cargo capacity all seats folded71 cu.ft.
maximum cargo capacity69.5 cu.ft.
bed length82 cu.ft.
passenger capacity6
passenger volume95.4 cu.ft.
2nd row headroom39.88 in.
2nd row hiproom60.24 in.
2nd row legroom35.24 in.
2nd row shoulder room64.88 in.
cargo capacity 2nd row seats folded71 cu.ft.
cargo capacity 3rd row seats folded33.8 cu.ft.

exterior dimensions

axle ratio3.73
cab to axle42.1 in.
curb weight6239 lbs.
front gawr4400 lbs.
front tire/wheel capacity2579 lbs.
front tread68.1 in.
gross weight10050 lbs.
ground clearance10.2 in.
height79.95 in.
length240.45 in.
payload3591 lbs.
pickup bed depth82.3 in.
rear gawr6390 lbs.
rear tire/wheel capacity3197 lbs.
rear tread68.3 in.
turning radius24.75 in.
wheelbase149.4 in.
width81.85 in.

towing

maximum towing capacity18200 lbs.
5th wheel towing capacity17050 lbs.
tow hooks2 Front
trailering classClass IV
fixed tow barNo
tow hitchTrailer Hitch

brake

brake assistYes
brake dryingNo
electronic brakeforce distributionNo
abs and driveline traction control4-Wheel ABS
abs channels4
power regenerationNo
front brakeIntegrated Trailer Brake Controller
rear brakeIntegrated Trailer Brake Controller
rear brake rotor diam x thickness13.6 x 0.79
front brake rotor diam x thickness13 x 1.18

transmission

drivetrainRear Wheel Drive
optional transmission10-Speed Automatic
overdriveYes
rear differentialRear Locking Differential
standard transmission6-Speed Shiftable Automatic
transmission electronic controlYes
transmission oil coolerYes
paddle shiftersNo

warranty

basic warranty3 yr. / 36000 mi.
drivetrain warranty5 yr. / 60000 mi.
roadside assistanceYes
roadside warranty5 yr. / 60000 mi.
free maintenance1 yr. / Unlimited mi.
rust warranty6 yr. / 100000 mi.
corrosion perforation warranty6 yr. / 100000 mi.
diesel engine warranty5 yr. / 100000 mi.