Home Car Brands GMC 2021 GMC Sierra 2500HD

2021 GMC Sierra 2500HD - Specs, Features, 0-60 and Top Speed

2021 GMC Sierra 2500HD

2021 GMC Sierra 2500HD

MSRP$35,900

Specs

  • origin countryUnited States
  • engine6.6 L
  • horsepower401 hp @ 5200 rpm
  • torque464 lb.-ft. @ 4000 rpm
  • transmission6-Speed Shiftable Automatic
  • 0-60 time6.5 sec

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

cargo capacity all seats in place83.5 cu.ft.
front headroom43.11 in.
front hiproom60.9 in.
front legroom44.53 in.
front shoulder room66.06 in.
interior cargo length to rear seat27.8 in.
cargo capacity all seats folded66 cu.ft.
maximum cargo capacity83.5 cu.ft.
bed length98 cu.ft.
passenger capacity3
passenger volume96 cu.ft.
2nd row headroom37.5 in.
2nd row hiproom49.1 in.
2nd row legroom35.6 in.
2nd row shoulder room55.9 in.
cargo capacity 2nd row seats folded66 cu.ft.
cargo capacity 3rd row seats folded27.8 cu.ft.

exterior dimensions

axle ratio3.73
cab to axle55.2 in.
curb weight5924 lbs.
front gawr4400 lbs.
front tread68.1 in.
gross weight9900 lbs.
ground clearance10.2 in.
height79.94 in.
length235.5 in.
payload3857 lbs.
pickup bed depth98.3 in.
rear gawr6390 lbs.
rear tread68.3 in.
turning radius23.45 in.
wheelbase141.55 in.
width81.75 in.

towing

maximum towing capacity18510 lbs.
5th wheel towing capacity17370 lbs.
gooseneck towing capacity17370 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.

Other Years

2023 GMC Sierra 2500HD

$22,598 - $51,800

6.6 L0-60: 6.4 - 6.5 sec mpg
2022 GMC Sierra 2500HD

$36,200 - $44,400

6.6 L0-60: 6.5 - 7.3 sec mpg
2020 GMC Sierra 2500HD

$35,600 - $43,200

6 - 6.6 L0-60: 6.5 - 7.3 sec17 mpg
2019 GMC Sierra 2500HD

$38,600 - $40,600

6 - 6.6 L0-60: 6.8 - 7.3 sec mpg
2018 GMC Sierra 2500HD

$34,740 - $43,270

6 L0-60: 7.3 - 7.9 sec18 mpg