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2021 GMC Sierra 3500 AT4 specs & colors

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
2021 GMC Sierra 3500 AT4

Showing the 2021 GMC Sierra 3500 4WD Crew Cab 159" AT4

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Key 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

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2021 GMC Sierra 3500 AT4

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