2026 GMC Sierra 2500 AT4 specs & colors
Crew Cab Pickup
MSRP
- 2WD Reg Cab 142" Pro
- $46,700
- 2WD Double Cab 149" Pro
- $48,600
- 2WD Double Cab 162" Pro
- $48,800
- 4WD Reg Cab 142" Pro
- $49,500
- 2WD Crew Cab 159" Pro
- $50,400
- 2WD Crew Cab 172" Pro
- $50,600
- 4WD Double Cab 149" Pro
- $51,400
- 4WD Double Cab 162" Pro
- $51,600
- 4WD Crew Cab 159" Pro
- $53,200
- 4WD Crew Cab 172" Pro
- $53,400
- 4WD Reg Cab 142" SLE
- $53,500
- 4WD Double Cab 149" SLE
- $55,600
- 4WD Double Cab 162" SLE
- $55,800
- 4WD Crew Cab 159" SLE
- $57,400
- 4WD Crew Cab 172" SLE
- $57,600
- 4WD Crew Cab 159" SLT
- $64,700
- 4WD Crew Cab 172" SLT
- $65,000
- 4WD Crew Cab 159" AT4
- $71,600
- 4WD Crew Cab 172" AT4
- $71,800
- 4WD Crew Cab 159" Denali
- $75,000
- 4WD Crew Cab 172" Denali
- $75,200
- 4WD Crew Cab 159" AT4X
- $83,700
- 4WD Crew Cab 159" Denali Ultimate
- $93,800
- 4WD Crew Cab 172" Denali Ultimate
- $94,100
$71,800
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
Gas V8
Engine Type
|
-
MPG
|
401 hp
470 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
170
Maximum Alternator Capacity (amps)
|
720
Cold Cranking Amps @ 0° F (Primary)
|
Engine
401 @ 5200
SAE Net Horsepower @ RPM
|
464 @ 4000
SAE Net Torque @ RPM
|
Gas V8
Engine Type
|
6.6L/-TBD-
Displacement
|
10-Speed A/T
A/T Transmission Options
|
-
MPG
|
N/A
Total Cooling System Capacity
|
Entertainment
Optional
Bluetooth®
|
Standard
Bluetooth®
|
Measurements
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
|
172 in
Wheelbase
|
N/A
Length, Overall w/o rear bumper
|
N/A
Length, Overall w/rear bumper
|
267 in
Length, Overall
|
82 in
Width, Max w/o mirrors
|
80 in
Height, Overall
|
N/A
Overhang, Front
|
N/A
Overhang, Rear w/o bumper
|
N/A
Cab to End of Frame
|
N/A
Ground to Top of Load Floor
|
10 in
Ground Clearance, Front
|
10 in
Ground Clearance, Rear
|
98 in
Cargo Box Length @ Floor
|
N/A
Cargo Box Width @ Top, Rear
|
71 in
Cargo Box Width @ Floor
|
51 in
Cargo Box Width @ Wheelhousings
|
21 in
Cargo Box (Area) Height
|
N/A
Tailgate Width
|
84 ft³
Cargo Volume
|
N/A
Ext'd Cab Cargo Volume
|
5
Passenger Capacity
|
Safety
Standard
Lane Departure Warning
|
Optional
Rear Cross Traffic Alert
|
Standard
Navigation System
|
Standard
Stability Control
|
Optional
Backup Camera
|
Steering
57 ft
Turning Diameter - Curb to Curb
|
N/A
Turning Diameter - Wall to Wall
|
Pwr Recirculating Ball
Steering Type
|
N/A
Steering Ratio (:1), Overall
|
Suspension
N/A
Axle Type - Rear
|
N/A
Axle Type - Front
|
Multi-Leaf Springs
Suspension Type - Rear
|
Short/Long Arm
Suspension Type - Front
|
Tires & Wheels
Aluminum
Front Wheel Material
|
N/A
Spare Wheel Size
|
20 x -TBD- in
Rear Wheel Size
|
20 x -TBD- in
Front Wheel Size
|
LT275/70R18
Spare Tire Size
|
LT275/65R20
Rear Tire Size
|
LT275/65R20
Front Tire Size
|
Aluminum
Rear Wheel Material
|
Steel
Spare Wheel Material
|
Weight & Capacity
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.
|
1,600 lbs
Wt Distributing Hitch - Max Tongue Wt.
|
17,900 lbs
Fifth Wheel Hitch - Max Trailer Wt.
|
4,475 lbs
Fifth Wheel Hitch - Max Tongue Wt.
|
20,000 lbs
Maximum Trailering Capacity
|
4,114 lbs
Maximum Payload Capacity
|
4,114 lbs
As Spec'd Payload
|
6,936 lbs
As Spec'd Curb Weight
|
0 lbs
Option Weight - Rear
|
0 lbs
Option Weight - Front
|
2,847 lbs
Curb Weight - Rear
|
4,089 lbs
Curb Weight - Front
|
36 gal
Fuel Tank Capacity, Approx
|
N/A
Aux Fuel Tank Capacity, Approx
|
N/A
Gross Axle Weight Rating
|
6,936 lbs
Curb Weight
|
0 lbs
Total Option Weight
|
11,050 lbs
Gross Vehicle Weight Rating
|
N/A
Base Curb Weight
|
Compare trims

Wondering which trim is right for you?
Our 2026 GMC Sierra 2500 trim comparison will help you decide.