2021 GMC Sierra 3500 AT4 specs & colors
Crew Cab Pickup
MSRP
- 2WD Reg Cab 142"
- $37,400
- 2WD Double Cab 162"
- $40,200
- 4WD Reg Cab 142"
- $40,200
- 2WD Crew Cab 159"
- $41,800
- 2WD Crew Cab 172"
- $42,000
- 2WD Reg Cab 142" SLE
- $42,800
- 4WD Double Cab 162"
- $43,000
- 4WD Crew Cab 159"
- $44,600
- 4WD Crew Cab 172"
- $44,800
- 2WD Double Cab 162" SLE
- $45,000
- 4WD Reg Cab 142" SLE
- $45,600
- 2WD Crew Cab 159" SLE
- $46,600
- 2WD Crew Cab 172" SLE
- $46,800
- 4WD Double Cab 162" SLE
- $47,800
- 4WD Crew Cab 159" SLE
- $49,400
- 4WD Crew Cab 172" SLE
- $49,600
- 2WD Crew Cab 159" SLT
- $54,600
- 2WD Crew Cab 172" SLT
- $54,800
- 4WD Crew Cab 159" SLT
- $57,400
- 4WD Crew Cab 172" SLT
- $57,600
- 4WD Crew Cab 159" AT4
- $60,300
- 4WD Crew Cab 172" AT4
- $60,500
- 4WD Crew Cab 159" Denali
- $66,700
- 4WD Crew Cab 172" Denali
- $66,900
$60,500
Starting MSRP
Current listing price
Current listing price
Showing the 2021 GMC Sierra 3500 4WD Crew Cab 172" AT4
Shop NowKey specs
Color options
Interior
Jet Black with Kalahari accents
Packages
$0
Starting MSRP
- includes standard equipment
Specifications
Highlights
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Gas V8
Engine Type
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-
MPG
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401 hp
445 hp Horsepower
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5
Seating Capacity
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Brakes
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N/A
Drum - Rear (Yes or )
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14.1 x 1.3 in
Rear Brake Rotor Diam x Thickness
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14 x 1.6 in
Front Brake Rotor Diam x Thickness
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Yes
Disc - Rear (Yes or )
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Yes
Disc - Front (Yes or )
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N/A
Brake ABS System (Second Line)
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4-Wheel
Brake ABS System
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Pwr
Brake Type
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Electrical
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170
Maximum Alternator Capacity (amps)
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720
Cold Cranking Amps @ 0° F (Primary)
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Engine
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Gas V8
Engine Type
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6.6L/-TBD-
Displacement
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401 @ 5200
SAE Net Horsepower @ RPM
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464 @ 4000
SAE Net Torque @ RPM
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6-Speed A/T
10-Speed A/T A/T Transmission Options
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-
MPG
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N/A
Total Cooling System Capacity
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Entertainment
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Optional
Bluetooth®
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Standard
Bluetooth®
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Measurements
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5
Passenger Capacity
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N/A
Ext'd Cab Cargo Volume
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84 ft³
Cargo Volume
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N/A
Tailgate Width
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21 in
Cargo Box (Area) Height
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51 in
Cargo Box Width @ Wheelhousings
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71 in
Cargo Box Width @ Floor
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N/A
Cargo Box Width @ Top, Rear
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98 in
Cargo Box Length @ Floor
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11 in
Ground Clearance, Rear
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11 in
Ground Clearance, Front
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N/A
Ground to Top of Load Floor
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N/A
Cab to End of Frame
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N/A
Overhang, Rear w/o bumper
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N/A
Overhang, Front
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81 in
Height, Overall
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82 in
Width, Max w/o mirrors
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266 in
Length, Overall
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N/A
Length, Overall w/rear bumper
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N/A
Length, Overall w/o rear bumper
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172 in
Wheelbase
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60 in
Second Hip Room
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65 in
Second Shoulder Room
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43 in
Second Leg Room
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40 in
Second Head Room
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61 in
Front Hip Room
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66 in
Front Shoulder Room
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45 in
Front Leg Room
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43 in
Front Head Room
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Safety
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Standard
Stability Control
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Optional
Backup Camera
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Steering
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N/A
Turning Diameter - Wall to Wall
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57 ft
Turning Diameter - Curb to Curb
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N/A
Steering Ratio (:1), Overall
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Pwr Recirculating Ball
Steering Type
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Suspension
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N/A
Axle Type - Rear
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Independent
Axle Type - Front
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3-Stage Multi-Leaf
Suspension Type - Rear
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Short/Long Arm w/Torsion Bars
Suspension Type - Front
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Tires & Wheels
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Steel
Spare Wheel Material
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Aluminum
Rear Wheel Material
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Aluminum
Front Wheel Material
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18 x 8 in
Spare Wheel Size
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18 x 8 in
Rear Wheel Size
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18 x 8 in
Front Wheel Size
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LT275/70R18
Spare Tire Size
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LT275/70R18
Rear Tire Size
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LT275/70R18
Front Tire Size
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Weight & Capacity
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N/A
Base Curb Weight
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4,046 lbs
Curb Weight - Front
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3,126 lbs
Curb Weight - Rear
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0 lbs
Option Weight - Front
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0 lbs
Option Weight - Rear
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7,267 lbs
As Spec'd Curb Weight
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4,233 lbs
As Spec'd Payload
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4,328 lbs
Maximum Payload Capacity
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24,000 lbs
Gross Combined Wt Rating
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5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
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500 lbs
Dead Weight Hitch - Max Tongue Wt.
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14,500 lbs
Wt Distributing Hitch - Max Trailer Wt.
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1,450 lbs
Wt Distributing Hitch - Max Tongue Wt.
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16,210 lbs
Fifth Wheel Hitch - Max Trailer Wt.
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4,052 lbs
Fifth Wheel Hitch - Max Tongue Wt.
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20,000 lbs
Maximum Trailering Capacity
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11,500 lbs
Gross Vehicle Weight Rating
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0 lbs
Total Option Weight
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7,172 lbs
Curb Weight
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12,450 lbs
Gross Axle Weight Rating
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N/A
Aux Fuel Tank Capacity, Approx
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36 gal
Fuel Tank Capacity, Approx
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Compare trims
Wondering which trim is right for you?
Our 2021 GMC Sierra 3500 trim comparison will help you decide.