Home Car Brands GMC 2021 GMC Sierra 2500HD Double Cab

2021 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 oil cooler1
valve timing1
vehicle emissionLow Emission Vehicle II

MPGs

fuel tank capacity36 gal.
fuel typeRegular Unleaded

interiors

3rd row head room35.2 in.
3rd row hip room43.1 in.
3rd row leg room29.3 in.
3rd row shoulder room54.5 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 3rd row seat4.2 in.
interior cargo length to rear seat17 in.
cargo capacity all seats folded34.4 cu.ft.
maximum cargo capacity69.5 cu.ft.
bed length82 cu.ft.
passenger capacity6
passenger volume88.3 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 folded34.4 cu.ft.
cargo capacity 3rd row seats folded17 cu.ft.

exterior dimensions

axle ratio3.73
cab to axle42.1 in.
curb weight6239 lbs.
front gawr4400 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 tread68.3 in.
turning radius24.75 in.
wheelbase149.4 in.
width81.85 in.

towing

maximum towing capacity18200 lbs.
5th wheel towing capacity17050 lbs.
gooseneck towing capacity17050 lbs.
tie downCargo Tie-down
fixed tow barNo

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 thickness14.1 x 1.3
front brake rotor diam x thickness14 x 1.6

transmission

drivetrainRear Wheel Drive
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.