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
$60,300
Starting MSRP
Current listing price
Current listing price

Showing the 2021 GMC Sierra 3500 4WD Crew Cab 159" AT4
Shop NowKey specs
Color options
Interior
Jet Black with Kalahari accents
Packages
$0
Starting MSRP
- includes standard equipment
Specifications
Highlights
Gas V8
Engine Type
|
-
MPG
|
401 hp
445 hp Horsepower
|
5
Seating Capacity
|
Brakes
Pwr
Brake Type
|
4-Wheel
Brake ABS System
|
N/A
Brake ABS System (Second Line)
|
Yes
Disc - Front (Yes or )
|
Yes
Disc - Rear (Yes or )
|
14 x 1.6 in
Front Brake Rotor Diam x Thickness
|
14.1 x 1.3 in
Rear Brake Rotor Diam x Thickness
|
N/A
Drum - Rear (Yes or )
|
Electrical
720
Cold Cranking Amps @ 0° F (Primary)
|
170
Maximum Alternator Capacity (amps)
|
Engine
Gas V8
Engine Type
|
6.6L/-TBD-
Displacement
|
401 @ 5200
SAE Net Horsepower @ RPM
|
464 @ 4000
SAE Net Torque @ RPM
|
6-Speed A/T
10-Speed A/T A/T Transmission Options
|
-
MPG
|
N/A
Total Cooling System Capacity
|
Entertainment
Optional
Bluetooth®
|
Standard
Bluetooth®
|
Measurements
5
Passenger Capacity
|
N/A
Overhang, Rear w/o bumper
|
N/A
Ext'd Cab Cargo Volume
|
70 ft³
Cargo Volume
|
N/A
Tailgate Width
|
21 in
Cargo Box (Area) Height
|
43 in
Front Head Room
|
45 in
Front Leg Room
|
66 in
Front Shoulder Room
|
61 in
Front Hip Room
|
40 in
Second Head Room
|
43 in
Second Leg Room
|
65 in
Second Shoulder Room
|
60 in
Second Hip Room
|
159 in
Wheelbase
|
N/A
Length, Overall w/o rear bumper
|
N/A
Length, Overall w/rear bumper
|
250 in
Length, Overall
|
82 in
Width, Max w/o mirrors
|
81 in
Height, Overall
|
52 in
Cargo Box Width @ Wheelhousings
|
71 in
Cargo Box Width @ Floor
|
N/A
Cargo Box Width @ Top, Rear
|
82 in
Cargo Box Length @ Floor
|
11 in
Ground Clearance, Rear
|
11 in
Ground Clearance, Front
|
N/A
Overhang, Front
|
N/A
Ground to Top of Load Floor
|
N/A
Cab to End of Frame
|
Safety
Standard
Stability Control
|
Optional
Backup Camera
|
Steering
N/A
Steering Ratio (:1), Overall
|
Pwr Recirculating Ball
Steering Type
|
53 ft
Turning Diameter - Curb to Curb
|
N/A
Turning Diameter - Wall to Wall
|
Suspension
N/A
Axle Type - Rear
|
Independent
Axle Type - Front
|
3-Stage Multi-Leaf
Suspension Type - Rear
|
Short/Long Arm w/Torsion Bars
Suspension Type - Front
|
Tires & Wheels
Steel
Spare Wheel Material
|
Aluminum
Rear Wheel Material
|
Aluminum
Front Wheel Material
|
18 x 8 in
Spare Wheel Size
|
18 x 8 in
Rear Wheel Size
|
18 x 8 in
Front Wheel Size
|
LT275/70R18
Spare Tire Size
|
LT275/70R18
Rear Tire Size
|
LT275/70R18
Front Tire Size
|
Weight & Capacity
1,450 lbs
Wt Distributing Hitch - Max Tongue Wt.
|
16,230 lbs
Fifth Wheel Hitch - Max Trailer Wt.
|
4,057 lbs
Fifth Wheel Hitch - Max Tongue Wt.
|
20,000 lbs
Maximum Trailering Capacity
|
2,915 lbs
Curb Weight - Rear
|
4,584 lbs
Maximum Payload Capacity
|
4,317 lbs
As Spec'd Payload
|
7,033 lbs
As Spec'd Curb Weight
|
0 lbs
Option Weight - Rear
|
0 lbs
Option Weight - Front
|
N/A
Base Curb Weight
|
3,851 lbs
Curb Weight - Front
|
14,500 lbs
Wt Distributing Hitch - Max Trailer Wt.
|
500 lbs
Dead Weight Hitch - Max Tongue Wt.
|
5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
|
24,000 lbs
Gross Combined Wt Rating
|
11,350 lbs
Gross Vehicle Weight Rating
|
0 lbs
Total Option Weight
|
6,766 lbs
Curb Weight
|
12,050 lbs
Gross Axle Weight Rating
|
36 gal
Fuel Tank Capacity, Approx
|
N/A
Aux Fuel Tank Capacity, Approx
|
Compare trims

Wondering which trim is right for you?
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