2020 GMC Sierra 3500HD - Specs, Features, 0-60 and Top Speed
2020 GMC Sierra 3500HD
MSRP$37,000
Specs
- origin countryUnited States
- engine6.6 L
- horsepower401 hp @ 5200 rpm
- torque464 lb.-ft. @ 4000 rpm
- transmission10-Speed Automatic
- 0-60 time7.5 sec
- combined fuel economy18 mpg
Trims
performance
| zero to 60 mph | 7.5 sec |
engines
| valvetrain | Overhead Valves (OHV) |
| transmission | 10-Speed 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 |
| intake manifold | Variable |
| cylinder head | Aluminum |
| engine block | Aluminum |
MPGs
| fuel economy city | 15 mpg |
| fuel economy highway | 22 mpg |
| fuel economy combined | 18 mpg |
| fuel tank capacity | 36 gal. |
| fuel type | Flex-Fuel Unleaded |
interiors
| cargo capacity all seats in place | 18.6 cu.ft. |
| front headroom | 39.4 in. |
| front hiproom | 56.4 in. |
| front legroom | 42.3 in. |
| front shoulder room | 58.7 in. |
| cargo capacity all seats folded | 18.6 cu.ft. |
| maximum cargo capacity | 18.6 cu.ft. |
| bed length | 98 cu.ft. |
| passenger capacity | 3 |
| passenger volume | 104.5 cu.ft. |
| 2nd row headroom | 37.8 in. |
| 2nd row hiproom | 57.2 in. |
| 2nd row legroom | 37.6 in. |
| 2nd row shoulder room | 58.6 in. |
exterior dimensions
| curb weight | 6231 lbs. |
| ground clearance | 11.2 in. |
| height | 80.9 in. |
| length | 235.5 in. |
| payload | 4481 lbs. |
| turning radius | 26.95 in. |
| wheelbase | 141.6 in. |
| width | 81.7 in. |
towing
| maximum towing capacity | 21500 lbs. |
| 5th wheel towing capacity | 14600 lbs. |
| gooseneck towing capacity | 14200 lbs. |
| tow hooks | 2 Front |
| trailering class | Class IV |
| fixed tow bar | No |
| tow hitch | Trailer Hitch |
brake
| brake assist | Yes |
| brake drying | No |
| electronic brakeforce distribution | No |
| abs and driveline traction control | Yes |
| abs channels | 4 |
| power regeneration | No |
| front brake | Ventilated Disc Brakes |
| rear brake | Ventilated Disc Brakes |
| rear brake rotor diam x thickness | 14.1 |
| front brake rotor diam x thickness | 14 |
transmission
| drivetrain | Rear Wheel Drive |
| overdrive | No |
| rear differential | Automatic Locking Rear Differential |
| standard transmission | 10-Speed Automatic |
| transmission electronic control | No |
| transmission oil cooler | No |
| paddle shifters | No |
warranty
| roadside assistance | No |
Other Years
2023 GMC Sierra 3500HD
$29,554 - $54,200
6.6 L0-60: 6.6 - 7.7 sec mpg
2021 GMC Sierra 3500HD
$37,100 - $46,200
6.6 L0-60: 7.4 - 7.5 sec mpg
2018 GMC Sierra 3500HD
$35,900 - $44,500
6 L0-60: 7 sec21 mpg
2017 GMC Sierra 3500HD
$35,090 - $43,930
6 L0-60: 7 sec18 mpg
2016 GMC Sierra 3500HD
$34,635 - $43,475
6 L0-60: 5.8 sec16 mpg