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