2021 2021 Sierra 1500

2021 GMC Sierra 1500

denali sierra AT4

Starting price

$30,0001

City / Hwy

up to 20/23 MPG2

Tow up to

11,800 LBS3

Max Horsepower

up to 420 HP



KEY FEATURES

  • Best-in-class Crew Cab front head and leg room (max)4
  • More cargo bed volume than any competitor
  • LED headlamps with unique C-shape lighting
  • Premium heated, leather-appointed front outboard seating on SLT
  • Available World’s First Six-Function MultiPro™ Tailgate
  • Available 3.0L Duramax Turbo Diesel engine with 10-speed automatic transmission
  • Available ProGrade™ Trailering System5 with in-vehicle Trailering App6
  • Available class-leading up to 15 Camera Views7 on SLT

Competitive Comparison

Standard
Available
× Not Available
2021 GMC Sierra Double Cab 2021 GMC Sierra Crew Cab 2021 Ram 1500 Quad Cab 2021 Ram 1500 Crew Cab
Fuel Economy
Max V-8 City/HWY MPG 17/23 17/23 17/23 17/23
Strength and Capability
Max Towing Capacity (lbs) 12,100 11,700 12,750 11,540
Max Payload (lbs) 2,170 2,140 2,300 1,930
Cargo Box Volume
(standard/short box)
71.7/NA 71.7/62.9 61.5/NA 61.5/53.9
10-Speed Transmission × (8-spd) × (8-spd)
Automatic Locking Rear Differential × ×
Premium Purposeful Technology
Six-Function MultiPro Tailgate × ×
Dynamic Fuel Management × ×
Adaptive Ride Control × × ×
Multi-Color Head-Up Display
Rear Camera Mirror
Power
Max V-8 Horsepower 420 (6.2L V-8) 420 (6.2L V-8) 395 (5.7L V-8) 395 (5.7L V-8)
Max V-8 Torque 460 (6.2L V-8) 460 (6.2L V-8) 410 (5.7L V-8) 410 (5.7L V-8)
Powertrain Warranty 5 yr/100k 5 yr/100k 5 yr/100k 5 yr/100k
Built-in 4G LTE Wi-Fi
Standard
Available
× Not Available
2021 GMC Sierra Double Cab 2021 GMC Sierra Crew Cab
Fuel Economy
Max V-8 City/HWY MPG 17/23 17/23
Strength and Capability
Max Towing Capacity (lbs) 12,100 11,700
Max Payload (lbs) 2,170 2,140
Cargo Box Volume
(standard/short box)
71.7/NA 71.7/62.9
10-Speed Transmission
Automatic Locking Rear Differential
Premium Purposeful Technology
Six-Function MultiPro Tailgate
Dynamic Fuel Management
Adaptive Ride Control ×
Multi-Color Head-Up Display
Rear Camera Mirror
Power
Max V-8 Horsepower 420 (6.2L V-8) 420 (6.2L V-8)
Max V-8 Torque 460 (6.2L V-8) 460 (6.2L V-8)
Powertrain Warranty 5 yr/100k 5 yr/100k
Built-in 4G LTE Wi-Fi
Standard
Available
× Not Available
2021 GMC Sierra Double Cab 2021 Ram 1500 Quad
Fuel Economy
Max V-8 City/HWY MPG 17/23 17/23
Strength and Capability
Max Towing Capacity (lbs) 12,100 12,750
Max Payload (lbs) 2,170 2,300
Cargo Box Volume
(standard/short box)
71.7/NA 61.5/NA
10-Speed Transmission × (8-spd)
Automatic Locking Rear Differential ×
Premium Purposeful Technology
Six-Function MultiPro Tailgate ×
Dynamic Fuel Management ×
Adaptive Ride Control × ×
Multi-Color Head-Up Display
Rear Camera Mirror
Power
Max V-8 Horsepower 420 (6.2L V-8) 395 (5.7L V-8)
Max V-8 Torque 460 (6.2L V-8) 410 (5.7L V-8)
Powertrain Warranty 5 yr/100k 5 yr/100k
Built-in 4G LTE Wi-Fi
Standard
Available
× Not Available
2021 GMC Sierra Double Cab 2021 Toyota Sequoia
Fuel Economy
Max V-8 City/HWY MPG 17/23 17/23
Strength and Capability
Max Towing Capacity (lbs) 12,100 11,540
Max Payload (lbs) 2,170 1,930
Cargo Box Volume
(standard/short box)
71.7/NA 61.5/53.9
10-Speed Transmission × (8-spd)
Automatic Locking Rear Differential ×
Premium Purposeful Technology
Six-Function MultiPro Tailgate ×
Dynamic Fuel Management ×
Adaptive Ride Control × ×
Multi-Color Head-Up Display
Rear Camera Mirror
Power
Max V-8 Horsepower 420 (6.2L V-8) 395 (5.7L V-8)
Max V-8 Torque 460 (6.2L V-8) 410 (5.7L V-8)
Powertrain Warranty 5 yr/100k 5 yr/100k
Built-in 4G LTE Wi-Fi

¹ The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. See your GMC dealer for details. Click here to see all GMC destination freight charges.
² Requires 2.7L Turbo engine. EPA est. 20 city/23 hwy (2WD). Not available on SLT model.
³ Requires 4WD Crew Cab Short Bed with available 6.2L V8 engine and Max Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
† Requires available 6.2L V-8 engine. Not available on SLE or Elevation models.
⁴ Excludes other GM vehicles.
⁵ Standard on SLT models.
⁶ App functionality and features vary with vehicle equipment and trim level. Data connection may be required. Some features require active service plan and working electrical system. Terms and limitations apply.
⁷ Some camera views require available accessory camera and installation. Not compatible with all trailers. See your dealer for details. Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. The driver should remain attentive to traffic, surroundings and road conditions at all times. Visibility, weather, and road conditions may affect feature performance. Read the vehicle’s owner’s manual for more important feature limitations and information.