2021 GMC Sierra 3500HD - Specs, Features, 0-60 and Top Speed
2021 GMC Sierra 3500HD
MSRP$37,100
Specs
- origin countryUnited States
- engine6.6 L
- horsepower401 hp @ 5200 rpm
- torque464 lb.-ft. @ 4000 rpm
- transmission6-Speed Shiftable Automatic
- 0-60 time7.5 sec
Trims
performance
| zero to 60 mph | 7.5 sec |
engines
| valvetrain | Overhead Valves (OHV) |
| transmission | 6-Speed Shiftable Automatic |
| engine type | V8 |
| compression ratio | 10.80 to 1 |
| valves | 32 |
| engine bore x stroke | 4.1 x 3.9 |
| engine size | 6.6 L |
| engine horsepower | 401 hp @ 5200 rpm |
| engine torque | 464 lb.-ft. @ 4000 rpm |
| engine oil cooler | 1 |
| valve timing | 1 |
MPGs
| fuel tank capacity | 36 gal. |
| fuel type | Regular Unleaded |
interiors
| 3rd row head room | 38.1 in. |
| 3rd row hip room | 49.4 in. |
| 3rd row leg room | 34.9 in. |
| 3rd row shoulder room | 64.7 in. |
| cargo capacity all seats in place | 83.5 cu.ft. |
| front headroom | 43.11 in. |
| front hiproom | 60.9 in. |
| front legroom | 44.53 in. |
| front shoulder room | 66.06 in. |
| interior cargo length to 3rd row seat | 45.8 in. |
| interior cargo length to rear seat | 90 in. |
| cargo capacity all seats folded | 137.4 cu.ft. |
| maximum cargo capacity | 137.4 cu.ft. |
| bed length | 98 cu.ft. |
| passenger capacity | 3 |
| 2nd row headroom | 38.5 in. |
| 2nd row hiproom | 61.8 in. |
| 2nd row legroom | 39.5 in. |
| 2nd row shoulder room | 65.2 in. |
| cargo capacity 2nd row seats folded | 137.4 cu.ft. |
| cargo capacity 3rd row seats folded | 90 cu.ft. |
exterior dimensions
| axle ratio | 3.73 |
| cab to axle | 55.2 in. |
| curb weight | 6339 lbs. |
| front spring rating | 4400 lbs. |
| front tread | 68.1 in. |
| gross weight | 10750 lbs. |
| ground clearance | 11.2 in. |
| height | 80.9 in. |
| length | 235.5 in. |
| payload | 4481 lbs. |
| pickup bed depth | 98.3 in. |
| rear gawr | 7250 lbs. |
| rear spring rating | 7250 lbs. |
| rear tread | 68.3 in. |
| turning radius | 23.45 in. |
| wheelbase | 141.6 in. |
| width | 81.75 in. |
| frame type | Hydroformed |
towing
| maximum towing capacity | 21500 lbs. |
| 5th wheel towing capacity | 17200 lbs. |
| gooseneck towing capacity | 17200 lbs. |
| tie down | Cargo Tie-down |
| fixed tow bar | No |
brake
| brake assist | Yes |
| brake drying | No |
| electronic brakeforce distribution | No |
| abs and driveline traction control | 4-Wheel ABS |
| abs channels | 4 |
| power regeneration | No |
| front brake | Integrated Trailer Brake Controller |
| rear brake | Integrated Trailer Brake Controller |
| rear brake rotor diam x thickness | 14.1 x 1.3 |
| front brake rotor diam x thickness | 14 x 1.6 |
transmission
| drivetrain | Rear Wheel Drive |
| overdrive | Yes |
| rear differential | Rear Locking Differential |
| standard transmission | 6-Speed Shiftable Automatic |
| transmission electronic control | Yes |
| transmission oil cooler | Yes |
| paddle shifters | No |
warranty
| basic warranty | 3 yr. / 36000 mi. |
| drivetrain warranty | 5 yr. / 60000 mi. |
| roadside assistance | Yes |
| roadside warranty | 5 yr. / 60000 mi. |
| free maintenance | 1 yr. / Unlimited mi. |
| rust warranty | 6 yr. / 100000 mi. |
| corrosion perforation warranty | 6 yr. / 100000 mi. |
| diesel engine warranty | 5 yr. / 100000 mi. |