2021 GMC Sierra 3500 HD Crew Cab Specs, Features & Options
Here's everything you need to know about each trim in the 2021 GMC Sierra 3500 HD Crew Cab lineup. Compare pricing, specs, key features and more.
Save 1 of 10  Sierra 3500 HD Crew Cab Pickup 4D 6 1/2 ft | Save 2 of 10 Sierra 3500 HD Crew Cab Pickup 4D 8 ft | Save 3 of 10 Sierra 3500 HD Crew Cab SLE Pickup 4D 8 ft | Save 4 of 10 Sierra 3500 HD Crew Cab SLE Pickup 4D 6 1/2 ft | Save 5 of 10 Sierra 3500 HD Crew Cab AT4 Pickup 4D 6 1/2 ft | Save 6 of 10 Sierra 3500 HD Crew Cab AT4 Pickup 4D 8 ft | Save 7 of 10  Sierra 3500 HD Crew Cab Denali Pickup 4D 8 ft | Save 8 of 10  Sierra 3500 HD Crew Cab Denali Pickup 4D 6 1/2 ft | Save 9 of 10 Sierra 3500 HD Crew Cab SLT Pickup 4D 6 1/2 ft | Save 10 of 10 Sierra 3500 HD Crew Cab SLT Pickup 4D 8 ft | |||
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| Fair Market Price | $37,000 | $37,526 | $46,807 | $47,044 | $47,260 | $47,296 | $49,226 | $50,342 | $53,211 | $53,376 | ||
| Fuel Type | Gas | Gas | Diesel | Diesel | Gas | Gas | Gas | Gas | Diesel | Diesel | ||
| Horsepower | 401 @ 5200 RPM | 401 @ 5200 RPM | 445 @ 2800 RPM | 445 @ 2800 RPM | 401 @ 5200 RPM | 401 @ 5200 RPM | 401 @ 5200 RPM | 401 @ 5200 RPM | 445 @ 2800 RPM | 445 @ 2800 RPM | ||
| Torque | 464 lb-ft | 464 lb-ft | 910 lb-ft | 910 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft | 910 lb-ft | 910 lb-ft | ||
| Towing Capacity | 14,500 lbs | 16,300 lbs | 16,300 lbs | 14,500 lbs | 14,500 lbs | 14,500 lbs | 14,500 lbs | 14,500 lbs | 14,500 lbs | 16,300 lbs | ||
| Payload | 4,365 pounds | 6,610 pounds | 6,610 pounds | 4,365 pounds | 4,365 pounds | 4,398 pounds | 4,398 pounds | 4,365 pounds | 4,365 pounds | 6,610 pounds | ||
| Body Styles | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | ||
| Engine | V8, 6.6 Liter | V8, 6.6 Liter | V8, Turbo Diesel, 6.6 Liter | V8, Turbo Diesel, 6.6 Liter | V8, 6.6 Liter | V8, 6.6 Liter | V8, 6.6 Liter | V8, 6.6 Liter | V8, Turbo Diesel, 6.6 Liter | V8, Turbo Diesel, 6.6 Liter | ||
| Curb Weight | 6,947 pounds | 7,352 pounds | 7,352 pounds | 6,947 pounds | 6,947 pounds | 7,064 pounds | 7,064 pounds | 6,947 pounds | 6,947 pounds | 7,352 pounds |
| Blind-Spot Alert | Optional | Optional | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Optional | ||
| Collision Warning System | Optional | Optional | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Optional | ||
| Child Seat Anchors | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Child Door Locks | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Parental Control System | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Traction Control | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Surround View Camera | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Standard | Standard | Optional | Optional |
| Bluetooth Wireless Technology | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Cruise Control | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Remote Keyless Entry | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Remote Engine Start | Not Available | Not Available | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Smartphone Interface | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Internet Access | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Navigation System | Not Available | Not Available | Not Available | Not Available | Optional | Optional | Standard | Standard | Optional | Optional | ||
| Voice Recognition System | Not Available | Not Available | Not Available | Not Available | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Hands Free Phone | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Premium Radio | Not Available | Not Available | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | ||
| Bluetooth Streaming Audio | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Bluetooth Wireless Technology | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Satellite Radio | Optional | Optional | Standard | Standard | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available |
| Remote Keyless Entry | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Cruise Control | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Bluetooth Streaming Audio | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Heated Mirrors | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Heated Steering Wheel | Not Available | Not Available | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Integrated Garage Door Opener | Not Available | Not Available | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Optional |
| Torque | 464 @ 5200 RPM | 464 @ 5200 RPM | 910 @ 2800 RPM | 910 @ 2800 RPM | 464 @ 5200 RPM | 464 @ 5200 RPM | 464 @ 5200 RPM | 464 @ 5200 RPM | 910 @ 2800 RPM | 910 @ 2800 RPM |
| Leather Seats | Not Available | Not Available | Not Available | Not Available | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Folding Rear Seat | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Dual Power Front Seats | Not Available | Not Available | Not Available | Not Available | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Power Driver's Seat | Optional | Optional | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard |
| Leather-Wrapped Steering Wheel | Not Available | Not Available | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Power Adjustable Pedals | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Standard | Standard | Standard | Standard | ||
| Power Outlet | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Power Windows | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Rear Window Defroster | Optional | Optional | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Steering Wheel Controls | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Tilt Steering Wheel | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Tilt/Telescoping Steering Wheel | Not Available | Not Available | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard |
| Alloy Wheels | Optional | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Optional | ||
| Fog Lights | Not Available | Not Available | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Power Liftgate/Trunk Release | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Privacy Glass | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Alarm System | Not Available | Not Available | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard |
| Drivetrain | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | ||
| Hill Descent Control | Optional | Optional | Optional | Optional | Standard | Standard | Standard | Standard | Optional | Optional | ||
| Hill Start Assist | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Recommended Fuel | Regular | Regular | Diesel | Diesel | Regular | Regular | Regular | Regular | Diesel | Diesel | ||
| Stability Control | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Transmission Type | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic |
| Bed Length | 6.5 feet | 8 feet | 8 feet | 6.5 feet | 6.5 feet | 8 feet | 8 feet | 6.5 feet | 6.5 feet | 8 feet | ||
| Curb Weight | 6947 pounds | 7352 pounds | 7352 pounds | 6947 pounds | 6947 pounds | 7064 pounds | 7064 pounds | 6947 pounds | 6947 pounds | 7352 pounds | ||
| Fuel Capacity | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | ||
| Front Head Room | 43 inches | 43 inches | 43 inches | 43 inches | 43 inches | 43 inches | 43 inches | 43 inches | 43 inches | 43 inches | ||
| Front Leg Room | 44.5 inches | 44.5 inches | 44.5 inches | 44.5 inches | 44.5 inches | 44.5 inches | 44.5 inches | 44.5 inches | 44.5 inches | 44.5 inches | ||
| Minimum Ground Clearance | 11.2 inches | 10.4 inches | 10.4 inches | 11.2 inches | 11.2 inches | 11.1 inches | 11.1 inches | 11.2 inches | 11.2 inches | 10.4 inches | ||
| Overall Length | 250.1 inches | 266.1 inches | 266.1 inches | 250.1 inches | 250.1 inches | 266.1 inches | 266.1 inches | 250.1 inches | 250.1 inches | 266.1 inches | ||
| Payload Capacity | 4365 pounds | 6610 pounds | 6610 pounds | 4365 pounds | 4365 pounds | 4398 pounds | 4398 pounds | 4365 pounds | 4365 pounds | 6610 pounds | ||
| Front Shoulder Room | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | ||
| Truck Bed Volume | 61 feet | 76 feet | 76 feet | 61 feet | 61 feet | 76 feet | Not Available | 61 feet | 61 feet | 76 feet | ||
| Turning Diameter | 52.7 feet | 57 feet | 57 feet | 52.7 feet | 52.7 feet | 57 feet | 57 feet | 52.7 feet | 52.7 feet | 57 feet | ||
| Wheel Base | 158.9 inches | 172 inches | 172 inches | 158.9 inches | 158.9 inches | 172 inches | 172 inches | 158.9 inches | 158.9 inches | 172 inches |
FAQs
Does the 2021 GMC Sierra 3500 HD Crew Cab have a turbo?
Yes, the following 2021 Sierra 3500 HD Crew Cab trims have turbo engines: SLE Pickup 4D 8 ft with a V8, Turbo Diesel, 6.6 Liter, SLE Pickup 4D 6 1/2 ft with a V8, Turbo Diesel, 6.6 Liter, etc. The following 2021 Sierra 3500 HD Crew Cab trims do not have turbo engines: Pickup 4D 6 1/2 ft with a V8, 6.6 Liter, Pickup 4D 8 ft with a V8, 6.6 Liter, etc.
Is the GMC Sierra 3500 HD Crew Cab underpowered?
It depends on your definition of underpowered. The 2021 Sierra 3500 HD Crew Cab ranges in power from the Pickup 4D 6 1/2 ft with 401 horsepower to the SLT Pickup 4D 8 ft with 445 horsepower.
How much horsepower does a 2021 Sierra 3500 HD Crew Cab have?
The 2021 Sierra 3500 HD Crew Cab ranges in power from the Pickup 4D 6 1/2 ft with 401 horsepower to the SLT Pickup 4D 8 ft with 445 horsepower.
All 2021 GMC Sierra 3500 HD Crew Cab Trims and Styles
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