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
$72,400
Starting MSRP
Current listing price
Current listing price
Showing the 2026 GMC Sierra 2500 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
470 hp Horsepower
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|
5
Seating Capacity
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Brakes
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14.1 x 1.3 in
Rear Brake Rotor Diam x Thickness
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|
Pwr
Brake Type
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Yes
Disc - Rear (Yes or )
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N/A
Drum - Rear (Yes or )
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4-Wheel
Brake ABS System
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N/A
Brake ABS System (Second Line)
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Yes
Disc - Front (Yes or )
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14 x 1.6 in
Front Brake Rotor Diam x Thickness
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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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6.6L/-TBD-
Displacement
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464 @ 4000
SAE Net Torque @ RPM
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Gas V8
Engine Type
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401 @ 5200
SAE Net Horsepower @ 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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Optional
Bluetooth®
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Standard
Bluetooth®
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Measurements
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71 in
Cargo Box Width @ Floor
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82 in
Width, Max w/o mirrors
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N/A
Cab to End of Frame
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N/A
Overhang, Front
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98 in
Cargo Box Length @ Floor
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172 in
Wheelbase
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84 ft³
Cargo Volume
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5
Passenger Capacity
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60 in
Second Hip Room
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51 in
Cargo Box Width @ Wheelhousings
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43 in
Second Leg Room
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21 in
Cargo Box (Area) Height
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10 in
Ground Clearance, Front
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N/A
Length, Overall w/o rear bumper
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N/A
Ground to Top of Load Floor
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N/A
Ext'd Cab Cargo Volume
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45 in
Front Leg Room
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N/A
Cargo Box Width @ Top, Rear
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61 in
Front Hip Room
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40 in
Second Head Room
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65 in
Second Shoulder Room
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267 in
Length, Overall
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43 in
Front Head Room
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N/A
Length, Overall w/rear bumper
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80 in
Height, Overall
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N/A
Overhang, Rear w/o bumper
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10 in
Ground Clearance, Rear
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N/A
Tailgate Width
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66 in
Front Shoulder Room
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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
Navigation System
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Standard
Lane Departure Warning
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Steering
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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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|
N/A
Turning Diameter - Wall to Wall
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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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|
2-Stage Multi-Leaf
Suspension Type - Rear
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Short/Long Arm w/Torsion Bar
Suspension Type - Front
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N/A
Axle Type - Front
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Tires & Wheels
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N/A
Spare Wheel Material
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Aluminum
Rear Wheel Material
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20 x -TBD- in
Front Wheel Size
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LT275/65R20
Front Tire Size
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20 x -TBD- in
Rear Wheel Size
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LT275/65R20
Rear Tire Size
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Aluminum
Front Wheel Material
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18 x -TBD- in
Spare Wheel Size
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LT275/70R18
Spare Tire Size
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Weight & Capacity
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4,132 lbs
As Spec'd Payload
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6,918 lbs
As Spec'd Curb Weight
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4,132 lbs
Maximum Payload Capacity
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4,070 lbs
Curb Weight - Front
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0 lbs
Option Weight - Front
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16,000 lbs
Wt Distributing Hitch - Max Trailer Wt.
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0 lbs
Total Option Weight
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500 lbs
Dead Weight Hitch - Max Tongue Wt.
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N/A
Aux Fuel Tank Capacity, Approx
|
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17,900 lbs
Fifth Wheel Hitch - Max Trailer Wt.
|
|
26,000 lbs
Gross Combined Wt Rating
|
|
0 lbs
Option Weight - Rear
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6,918 lbs
Curb Weight
|
|
N/A
Base Curb Weight
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|
N/A
Gross Axle Weight Rating
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|
5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
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36 gal
Fuel Tank Capacity, Approx
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|
1,600 lbs
Wt Distributing Hitch - Max Tongue Wt.
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11,050 lbs
Gross Vehicle Weight Rating
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4,475 lbs
Fifth Wheel Hitch - Max Tongue Wt.
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20,000 lbs
Maximum Trailering Capacity
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2,848 lbs
Curb Weight - Rear
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Compare trims
Wondering which trim is right for you?
Our 2026 GMC Sierra 2500 trim comparison will help you decide.