2026 GMC Sierra 2500 AT4 specs & colors
Crew Cab Pickup
MSRP
- 2WD Reg Cab 142" Pro
- $47,000
- 2WD Double Cab 149" Pro
- $48,900
- 2WD Double Cab 162" Pro
- $49,100
- 4WD Reg Cab 142" Pro
- $49,800
- 2WD Crew Cab 159" Pro
- $50,700
- 2WD Crew Cab 172" Pro
- $50,900
- 4WD Double Cab 149" Pro
- $51,700
- 4WD Double Cab 162" Pro
- $51,900
- 4WD Crew Cab 159" Pro
- $53,500
- 4WD Crew Cab 172" Pro
- $53,700
- 4WD Reg Cab 142" SLE
- $54,000
- 4WD Double Cab 149" SLE
- $56,100
- 4WD Double Cab 162" SLE
- $56,300
- 4WD Crew Cab 159" SLE
- $57,900
- 4WD Crew Cab 172" SLE
- $58,100
- 4WD Crew Cab 159" SLT
- $65,200
- 4WD Crew Cab 172" SLT
- $65,500
- 4WD Crew Cab 159" AT4
- $72,200
- 4WD Crew Cab 172" AT4
- $72,400
- 4WD Crew Cab 159" Denali
- $75,200
- 4WD Crew Cab 172" Denali
- $75,400
- 4WD Crew Cab 159" AT4X
- $85,200
- 4WD Crew Cab 159" Denali Ultimate
- $94,200
- 4WD Crew Cab 172" Denali Ultimate
- $94,500
$72,200
Starting MSRP
Current listing price
Current listing price
Showing the 2026 GMC Sierra 2500 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
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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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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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5
Passenger Capacity
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|
82 in
Cargo Box Length @ Floor
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10 in
Ground Clearance, Rear
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10 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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80 in
Height, Overall
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82 in
Width, Max w/o mirrors
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251 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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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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43 in
Front Head Room
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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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Safety
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Optional
Rear Cross Traffic Alert
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Optional
Backup Camera
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Standard
Stability Control
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Standard
Lane Departure Warning
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Standard
Navigation System
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Steering
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Pwr Recirculating Ball
Steering Type
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N/A
Steering Ratio (:1), Overall
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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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Suspension
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Short/Long Arm
Suspension Type - Front
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|
Multi-Leaf Springs
Suspension Type - Rear
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N/A
Axle Type - Front
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N/A
Axle Type - Rear
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Tires & Wheels
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LT275/65R20
Front Tire Size
|
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LT275/65R20
Rear Tire Size
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LT275/70R18
Spare Tire Size
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20 x -TBD- in
Front Wheel Size
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20 x -TBD- in
Rear Wheel Size
|
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N/A
Spare Wheel Size
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Aluminum
Front Wheel Material
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Aluminum
Rear Wheel Material
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Steel
Spare Wheel Material
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Weight & Capacity
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4,025 lbs
Maximum Payload Capacity
|
|
4,025 lbs
As Spec'd Payload
|
|
0 lbs
Option Weight - Rear
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0 lbs
Option Weight - Front
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2,812 lbs
Curb Weight - Rear
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4,013 lbs
Curb Weight - Front
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N/A
Base Curb Weight
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6,825 lbs
As Spec'd Curb Weight
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N/A
Gross Axle Weight Rating
|
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6,825 lbs
Curb Weight
|
|
26,000 lbs
Gross Combined Wt Rating
|
|
5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
|
|
500 lbs
Dead Weight Hitch - Max Tongue Wt.
|
|
16,000 lbs
Wt Distributing Hitch - Max Trailer Wt.
|
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1,600 lbs
Wt Distributing Hitch - Max Tongue Wt.
|
|
18,000 lbs
Fifth Wheel Hitch - Max Trailer Wt.
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4,500 lbs
Fifth Wheel Hitch - Max Tongue Wt.
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|
20,000 lbs
Maximum Trailering Capacity
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|
0 lbs
Total Option Weight
|
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10,850 lbs
Gross Vehicle 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 2026 GMC Sierra 2500 trim comparison will help you decide.