2021 GMC Sierra 2500 Specs, Features & Options
Here's everything you need to know about each trim in the 2021 GMC Sierra 2500 lineup. Compare pricing, specs, key features and more.
Save 1 of 18  Sierra 2500 HD Regular Cab Pickup 2D 8 ft | Save 2 of 18  Sierra 2500 HD Double Cab Pickup 4D 6 1/2 ft | Save 3 of 18 Sierra 2500 HD Double Cab Pickup 4D 8 ft | Save 4 of 18  Sierra 2500 HD Crew Cab Pickup 4D 6 1/2 ft | Save 5 of 18  Sierra 2500 HD Regular Cab SLE Pickup 2D 8 ft | Save 6 of 18 Sierra 2500 HD Double Cab SLE Pickup 4D 8 ft | Save 7 of 18  Sierra 2500 HD Crew Cab Pickup 4D 8 ft | Save 8 of 18 Sierra 2500 HD Double Cab SLE Pickup 4D 6 1/2 ft | Save 9 of 18  Sierra 2500 HD Double Cab SLT Pickup 4D 6 1/2 ft | Save 10 of 18  Sierra 2500 HD Double Cab SLT Pickup 4D 8 ft | Save 11 of 18  Sierra 2500 HD Crew Cab SLE Pickup 4D 8 ft | Save 12 of 18 Sierra 2500 HD Crew Cab SLE Pickup 4D 6 1/2 ft | Save 13 of 18 Sierra 2500 HD Crew Cab SLT Pickup 4D 6 1/2 ft | Save 14 of 18  Sierra 2500 HD Crew Cab SLT Pickup 4D 8 ft | Save 15 of 18  Sierra 2500 HD Crew Cab AT4 Pickup 4D 8 ft | Save 16 of 18 Sierra 2500 HD Crew Cab AT4 Pickup 4D 6 1/2 ft | Save 17 of 18  Sierra 2500 HD Crew Cab Denali Pickup 4D 8 ft | Save 18 of 18  Sierra 2500 HD Crew Cab Denali Pickup 4D 6 1/2 ft | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fair Market Price | $33,314 | $35,401 | $35,751 | $36,350 | $36,486 | $38,337 | $38,833 | $39,289 | $42,904 | $44,179 | $45,920 | $46,631 | $51,652 | $52,415 | $53,367 | $53,890 | $55,883 | $56,001 | ||
| Fuel Type | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Diesel | Diesel | Diesel | Diesel | Diesel | Diesel | Diesel | Diesel | ||
| Horsepower | 401 @ 5200 RPM | 401 @ 5200 RPM | 401 @ 5200 RPM | 401 @ 5200 RPM | 401 @ 5200 RPM | 401 @ 5200 RPM | 401 @ 5200 RPM | 401 @ 5200 RPM | 401 @ 5200 RPM | 401 @ 5200 RPM | 445 @ 2800 RPM | 445 @ 2800 RPM | 445 @ 2800 RPM | 445 @ 2800 RPM | 445 @ 2800 RPM | 445 @ 2800 RPM | 445 @ 2800 RPM | 445 @ 2800 RPM | ||
| Torque | 464 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft | 464 lb-ft | 910 lb-ft | 910 lb-ft | 910 lb-ft | 910 lb-ft | 910 lb-ft | 910 lb-ft | 910 lb-ft | 910 lb-ft | ||
| Towing Capacity | 14,500 lbs | 17,890 lbs | 17,750 lbs | 14,500 lbs | 14,500 lbs | 17,750 lbs | 14,500 lbs | 17,890 lbs | 14,500 lbs | 14,500 lbs | 14,500 lbs | 14,500 lbs | 14,500 lbs | 14,500 lbs | 14,500 lbs | 14,500 lbs | 14,500 lbs | 14,500 lbs | ||
| Payload | 3,794 pounds | 3,576 pounds | 3,633 pounds | 3,589 pounds | 3,794 pounds | 3,633 pounds | 3,690 pounds | 3,576 pounds | 3,747 pounds | 3,854 pounds | 3,690 pounds | 3,589 pounds | 3,760 pounds | 3,862 pounds | 3,862 pounds | 3,760 pounds | 3,862 pounds | 3,760 pounds | ||
| Body Styles | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | Pickup | ||
| Engine | V8, 6.6 Liter | V8, 6.6 Liter | V8, 6.6 Liter | V8, 6.6 Liter | V8, 6.6 Liter | V8, 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 | V8, Turbo Diesel, 6.6 Liter | V8, Turbo Diesel, 6.6 Liter | V8, Turbo Diesel, 6.6 Liter | V8, Turbo Diesel, 6.6 Liter | V8, Turbo Diesel, 6.6 Liter | V8, Turbo Diesel, 6.6 Liter | ||
| Curb Weight | 6,418 pounds | 6,737 pounds | 6,829 pounds | 6,824 pounds | 6,418 pounds | 6,829 pounds | 6,922 pounds | 6,737 pounds | 6,765 pounds | 6,858 pounds | 6,922 pounds | 6,824 pounds | 6,852 pounds | 6,950 pounds | 6,950 pounds | 6,852 pounds | 6,950 pounds | 6,852 pounds |
| Blind-Spot Alert | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Standard | Standard | ||
| Collision Warning System | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Standard | Standard | ||
| Child Seat Anchors | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Child Door Locks | Not available | Standard | Standard | Standard | Not available | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Parental Control System | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Traction Control | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | 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 | Not Available | Not Available | Optional | Optional | Not Available | Not Available | Not Available | Not Available | Optional | Optional | Standard | Standard |
| Bluetooth Wireless Technology | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Cruise Control | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Remote Keyless Entry | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Remote Engine Start | Not Available | Not Available | Not Available | Not Available | Optional | Optional | Not Available | Optional | Standard | Standard | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Smartphone Interface | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Internet Access | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Navigation System | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Optional | Optional | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Voice Recognition System | Not Available | Not Available | Not Available | Not Available | Optional | Optional | Not Available | Optional | Standard | Standard | Not Available | Not Available | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Touch Screen Monitor | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Hands Free Phone | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Premium Radio | Not Available | Not Available | Not Available | Not Available | Optional | Optional | Not Available | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | ||
| Bluetooth Streaming Audio | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Bluetooth Wireless Technology | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Satellite Radio | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Standard | Not Available | Not Available | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard |
| Remote Keyless Entry | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Cruise Control | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Bluetooth Streaming Audio | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Heated Mirrors | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Heated Steering Wheel | Not Available | Not Available | Not Available | Not Available | Optional | Optional | Not Available | Optional | Standard | Standard | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Integrated Garage Door Opener | Not Available | Not Available | Not Available | Not Available | Not Available | Optional | Not Available | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Standard | Standard |
| Torque | 464 @ 5200 RPM | 464 @ 5200 RPM | 464 @ 5200 RPM | 464 @ 5200 RPM | 464 @ 5200 RPM | 464 @ 5200 RPM | 464 @ 5200 RPM | 464 @ 5200 RPM | 464 @ 5200 RPM | 464 @ 5200 RPM | 910 @ 2800 RPM | 910 @ 2800 RPM | 910 @ 2800 RPM | 910 @ 2800 RPM | 910 @ 2800 RPM | 910 @ 2800 RPM | 910 @ 2800 RPM | 910 @ 2800 RPM |
| Leather Seats | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Standard | Standard | Not Available | Not Available | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Folding Rear Seat | Not Available | Standard | Standard | Standard | Not Available | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Dual Power Front Seats | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Standard | Standard | Not Available | Not Available | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Power Driver's Seat | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard |
| Leather-Wrapped Steering Wheel | Not Available | Not Available | Not Available | Not Available | Standard | Standard | Not Available | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Power Outlet | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Power Windows | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Rear Window Defroster | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Steering Wheel Controls | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Tilt Steering Wheel | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Tilt/Telescoping Steering Wheel | Not Available | Not Available | Not Available | Not Available | Optional | Optional | Not Available | Optional | Standard | Standard | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Cup Holder Count | Not Available | Standard | Standard | Standard | Not Available | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Alloy Wheels | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Fog Lights | Not Available | Not Available | Not Available | Not Available | Optional | Optional | Not Available | Optional | Standard | Standard | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Power Liftgate/Trunk Release | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Not Available | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Privacy Glass | Optional | Optional | Optional | Optional | Standard | Standard | Optional | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Alarm System | Not Available | Not Available | Not Available | Not Available | Optional | Optional | Not Available | Optional | Standard | Standard | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard |
| Drivetrain | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | 4WD | ||
| Hill Descent Control | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Optional | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Hill Start Assist | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Recommended Fuel | Regular | Regular | Regular | Regular | Regular | Regular | Regular | Regular | Regular | Regular | Diesel | Diesel | Diesel | Diesel | Diesel | Diesel | Diesel | Diesel | ||
| Stability Control | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | ||
| Transmission Type | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic | Automatic |
| Bed Length | 8 feet | 6.5 feet | 8 feet | 6.5 feet | 8 feet | 8 feet | 8 feet | 6.5 feet | 6.5 feet | 8 feet | 8 feet | 6.5 feet | 6.5 feet | 8 feet | 8 feet | 6.5 feet | 8 feet | 6.5 feet | ||
| Curb Weight | 6418 pounds | 6737 pounds | 6829 pounds | 6824 pounds | 6418 pounds | 6829 pounds | 6922 pounds | 6737 pounds | 6765 pounds | 6858 pounds | 6922 pounds | 6824 pounds | 6852 pounds | 6950 pounds | 6950 pounds | 6852 pounds | 6950 pounds | 6852 pounds | ||
| Fuel Capacity | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | 36 gallons | ||
| Front Head Room | 43.1 inches | 43 inches | 43 inches | 43 inches | 43.1 inches | 43 inches | 43 inches | 43 inches | 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 | 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 | 10.2 inches | 10.2 inches | 10.2 inches | 10.1 inches | 10.2 inches | 10.2 inches | 10.1 inches | 10.2 inches | 10.2 inches | 10.2 inches | 10.1 inches | 10.1 inches | 10.1 inches | 10.1 inches | 10.1 inches | 10.1 inches | 10.1 inches | 10.1 inches | ||
| Overall Length | 235.5 inches | 240.5 inches | 245.5 inches | 250.1 inches | 235.5 inches | 245.5 inches | 266.1 inches | 240.5 inches | 240.5 inches | 245.5 inches | 266.1 inches | 250.1 inches | 250.1 inches | 266.1 inches | 266.1 inches | 250.1 inches | 250.1 inches | 250.1 inches | ||
| Payload Capacity | 3794 pounds | 3576 pounds | 3633 pounds | 3589 pounds | 3794 pounds | 3633 pounds | 3690 pounds | 3576 pounds | 3747 pounds | 3854 pounds | 3690 pounds | 3589 pounds | 3760 pounds | 3862 pounds | 3862 pounds | 3760 pounds | 3862 pounds | 3760 pounds | ||
| Front Shoulder Room | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | 66 inches | ||
| Truck Bed Volume | 84 feet | 70 feet | 84 feet | 61 feet | 84 feet | 84 feet | 76 feet | 70 feet | 70 feet | 84 feet | 76 feet | 61 feet | 61 feet | 76 feet | 76 feet | 61 feet | 76 feet | 61 feet | ||
| Turning Diameter | 46.9 feet | 49.5 feet | 53.9 feet | 52.7 feet | 46.9 feet | 53.9 feet | 57 feet | 49.5 feet | 49.5 feet | 53.9 feet | 57 feet | 52.7 feet | 52.7 feet | 57 feet | 57 feet | 52.7 feet | 57 feet | 52.7 feet | ||
| Wheel Base | 141.6 inches | 149.4 inches | 162.5 inches | 158.9 inches | 141.6 inches | 162.5 inches | 172 inches | 149.4 inches | 149.4 inches | 162.5 inches | 172 inches | 158.9 inches | 158.9 inches | 172 inches | 172 inches | Not Available | 158.9 inches | 158.9 inches |
FAQs
Does the 2021 GMC Sierra 2500 have a turbo?
Yes, the following 2021 Sierra 2500 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 2500 trims do not have turbo engines: Pickup 2D 8 ft with a V8, 6.6 Liter, Pickup 4D 6 1/2 ft with a V8, 6.6 Liter, etc.
Is the GMC Sierra 2500 underpowered?
It depends on your definition of underpowered. The 2021 Sierra 2500 ranges in power from the Pickup 2D 8 ft with 401 horsepower to the Denali Pickup 4D 6 1/2 ft with 445 horsepower.
How much horsepower does a 2021 Sierra 2500 have?
The 2021 Sierra 2500 ranges in power from the Pickup 2D 8 ft with 401 horsepower to the Denali Pickup 4D 6 1/2 ft with 445 horsepower.
All 2021 GMC Sierra 2500 Trims and Styles
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