2026 GMC Sierra 3500 AT4 specs & colors
Crew Cab Pickup
MSRP
- 2WD Reg Cab 142" Pro
- $48,200
- 2WD Double Cab 162" Pro
- $50,300
- 4WD Reg Cab 142" Pro
- $51,000
- 2WD Crew Cab 159" Pro
- $51,900
- 2WD Crew Cab 172" Pro
- $52,100
- 4WD Double Cab 162" Pro
- $53,100
- 4WD Crew Cab 159" Pro
- $54,700
- 4WD Crew Cab 172" Pro
- $54,900
- 4WD Reg Cab 142" SLE
- $55,200
- 4WD Double Cab 162" SLE
- $57,500
- 4WD Crew Cab 159" SLE
- $59,100
- 4WD Crew Cab 172" SLE
- $59,300
- 4WD Crew Cab 159" SLT
- $66,400
- 4WD Crew Cab 172" SLT
- $66,600
- 4WD Crew Cab 159" AT4
- $73,400
- 4WD Crew Cab 172" AT4
- $73,600
- 4WD Crew Cab 159" Denali
- $76,300
- 4WD Crew Cab 172" Denali
- $76,500
- 4WD Crew Cab 159" Denali Ultimate
- $97,600
- 4WD Crew Cab 172" Denali Ultimate
- $97,800
$73,400
Starting MSRP
Current listing price
Current listing price
Showing the 2026 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
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Gas V8
Engine Type
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-
MPG
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|
401 hp
470 hp Horsepower
|
|
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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720
Cold Cranking Amps @ 0° F (Primary)
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170
Maximum Alternator Capacity (amps)
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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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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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Standard
Bluetooth®
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Optional
Bluetooth®
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Measurements
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159 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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40 in
Front Head Room
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N/A
Length, Overall w/rear bumper
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251 in
Length, Overall
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82 in
Width, Max w/o mirrors
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81 in
Height, Overall
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N/A
Overhang, Front
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N/A
Overhang, Rear w/o bumper
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N/A
Cab to End of Frame
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N/A
Ground to Top of Load Floor
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11 in
Ground Clearance, Front
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11 in
Ground Clearance, Rear
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82 in
Cargo Box Length @ Floor
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N/A
Cargo Box Width @ Top, Rear
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71 in
Cargo Box Width @ Floor
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52 in
Cargo Box Width @ Wheelhousings
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21 in
Cargo Box (Area) Height
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N/A
Tailgate Width
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70 ft³
Cargo Volume
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N/A
Ext'd Cab Cargo Volume
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5
Passenger Capacity
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N/A
Length, Overall w/o rear bumper
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Safety
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Optional
Backup Camera
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Standard
Lane Departure Warning
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Standard
Navigation System
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Standard
Stability Control
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Optional
Rear Cross Traffic Alert
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Steering
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N/A
Turning Diameter - Wall to Wall
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53 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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4,571 lbs
Maximum Payload Capacity
|
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20,000 lbs
Maximum Trailering Capacity
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4,475 lbs
Fifth Wheel Hitch - Max Tongue Wt.
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17,900 lbs
Fifth Wheel Hitch - Max Trailer Wt.
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1,600 lbs
Wt Distributing Hitch - Max Tongue Wt.
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16,000 lbs
Wt Distributing Hitch - Max Trailer Wt.
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500 lbs
Dead Weight Hitch - Max Tongue Wt.
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5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
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24,000 lbs
Gross Combined Wt 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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|
12,050 lbs
Gross Axle Weight Rating
|
|
6,979 lbs
Curb Weight
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|
0 lbs
Total Option Weight
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11,550 lbs
Gross Vehicle Weight Rating
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N/A
Base Curb Weight
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4,041 lbs
Curb Weight - Front
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2,938 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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6,979 lbs
As Spec'd Curb Weight
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4,571 lbs
As Spec'd Payload
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Compare trims
Wondering which trim is right for you?
Our 2026 GMC Sierra 3500 trim comparison will help you decide.