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2026 GMC Sierra 1500 AT4 specs & colors

MSRP
2WD Reg Cab 126" Pro
$38,300
2WD Reg Cab 140" Pro
$38,500
2WD Double Cab 147" Pro
$41,600
4WD Reg Cab 126" Pro
$42,900
4WD Reg Cab 140" Pro
$43,100
2WD Crew Cab 147" Pro
$44,000
4WD Double Cab 147" Pro
$44,900
4WD Crew Cab 147" Pro
$47,300
4WD Crew Cab 157" Pro
$47,600
2WD Double Cab 147" SLE
$48,700
2WD Double Cab 147" Elevation
$50,500
2WD Crew Cab 147" SLE
$51,100
4WD Double Cab 147" SLE
$52,000
4WD Double Cab 147" Elevation w/3VL
$52,300
2WD Crew Cab 147" Elevation
$53,100
4WD Double Cab 147" Elevation w/3SB
$53,800
4WD Crew Cab 147" SLE
$54,400
4WD Crew Cab 157" SLE
$54,700
4WD Crew Cab 147" Elevation w/3VL
$54,900
2WD Crew Cab 147" SLT
$54,900
4WD Crew Cab 147" Elevation w/3SB
$56,400
4WD Crew Cab 157" Elevation
$56,700
4WD Crew Cab 147" SLT
$58,000
4WD Crew Cab 157" SLT
$58,700
2WD Crew Cab 147" Denali
$65,900
4WD Crew Cab 147" AT4
$66,800
4WD Crew Cab 157" AT4
$67,300
4WD Crew Cab 147" Denali
$69,200
4WD Crew Cab 157" Denali
$69,700
4WD Crew Cab 147" AT4X
$79,400
4WD Crew Cab 147" Denali Ultimate
$84,200
$67,300
Starting MSRP
Current listing price
2026 GMC Sierra 1500 AT4

Showing the 2026 GMC Sierra 1500 4WD Crew Cab 157" AT4

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Key specs

Color options

Interior
Jet Black with Kalahari accents

Packages

  • $1,545

    Starting MSRP

    • includes (PDO) AT4 Preferred Package and (VXW) Off-Road High Clearance Steps
  • $1,525

    Starting MSRP

    • includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display(Includes (UVN) Bed View Camera.)
  • $595

    Starting MSRP

    • includes (S1O) Console-Mounted Safe
    • LPO and (VBJ) rear under seat storage
    • LPO
    See more detail
    • includes (S1O) Console-Mounted Safe
    • LPO and (VBJ) rear under seat storage
    • LPO
    • (dealer-installed)
  • $350

    Starting MSRP

    • includes (UG1) Universal Home Remote and (A48) rear sliding power window
  • $3,195

    Starting MSRP

    • (dealer-installed)
    • includes (VXW) Off-Road High Clearance Step
    • (S1H) Off-Road Recovery Kit
    See more detail
    • (dealer-installed)
    • includes (VXW) Off-Road High Clearance Step
    • (S1H) Off-Road Recovery Kit
    • LPO and (SBY) Sports Bar
  • $0

    Starting MSRP

    • includes standard equipment

Specifications

Highlights

Turbocharged Diesel I6
Engine Type
21 City / 24 Hwy
MPG
305 hp
420 hp
Horsepower
5
Seating Capacity

Brakes

13 x 1.18 in
Front Brake Rotor Diam x Thickness
4-Wheel
Brake ABS System
N/A
Brake ABS System (Second Line)
13.6 x 0.79 in
Rear Brake Rotor Diam x Thickness
N/A
Drum - Rear (Yes or )
Yes
Disc - Rear (Yes or )
Yes
Disc - Front (Yes or )
Pwr
Brake Type

Electrical

850
Cold Cranking Amps @ 0° F (Primary)
220
Maximum Alternator Capacity (amps)

Engine

305 @ 3750
SAE Net Horsepower @ RPM
495 @ 2750
SAE Net Torque @ RPM
3.0L/-TBD-
Displacement
Turbocharged Diesel I6
Engine Type
10-Speed A/T
A/T
Transmission w/Dual Shift Mode
Transmission Options
21 City / 24 Hwy
MPG
N/A
Total Cooling System Capacity

Entertainment

Standard
Bluetooth®
Optional
Bluetooth®

Measurements

59 in
Second Hip Room
51 in
Cargo Box Width @ Wheelhousings
N/A
Length, Overall w/rear bumper
79 in
Cargo Box Length @ Floor
157 in
Wheelbase
11 in
Ground Clearance, Front
N/A
Cargo Box Width @ Top, Rear
N/A
Ground to Top of Load Floor
5
Passenger Capacity
71 in
Cargo Box Width @ Floor
N/A
Ext'd Cab Cargo Volume
242 in
Length, Overall
64 in
Second Shoulder Room
40 in
Second Head Room
43 in
Front Head Room
22 in
Cargo Box (Area) Height
N/A
Cab to End of Frame
N/A
Overhang, Rear w/o bumper
81 in
Width, Max w/o mirrors
11 in
Ground Clearance, Rear
72 ft³
Cargo Volume
N/A
Tailgate Width
65 in
Front Shoulder Room
61 in
Front Hip Room
N/A
Length, Overall w/o rear bumper
N/A
Overhang, Front
78 in
Height, Overall
45 in
Front Leg Room
43 in
Second Leg Room

Safety

Standard
Navigation System
Optional
Backup Camera
Standard
Lane Departure Warning
Optional
Rear Cross Traffic Alert
Standard
Stability Control

Steering

N/A
Steering Ratio (:1), Overall
N/A
Turning Diameter - Wall to Wall
51 ft
Turning Diameter - Curb to Curb
Electric Rack & Pinion
Steering Type

Suspension

Solid Axle
Suspension Type - Rear
N/A
Axle Type - Rear
N/A
Axle Type - Front
Independent
Suspension Type - Front

Tires & Wheels

Aluminum
Rear Wheel Material
20 x 9 in
Front Wheel Size
17 x 8 in
Spare Wheel Size
255/80R17SL
Spare Tire Size
Aluminum
Front Wheel Material
275/60R20SL
Rear Tire Size
275/60R20SL
Front Tire Size
20 x 9 in
Rear Wheel Size
Steel
Spare Wheel Material

Weight & Capacity

0 lbs
Option Weight - Rear
5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
7,200 lbs
Gross Vehicle Weight Rating
1,450 lbs
Fifth Wheel Hitch - Max Tongue Wt.
1,957 lbs
Curb Weight - Rear
15,000 lbs
Gross Combined Wt Rating
N/A
Base Curb Weight
0 lbs
Option Weight - Front
N/A
Aux Fuel Tank Capacity, Approx
9,000 lbs
Maximum Trailering Capacity
7,600 lbs
Gross Axle Weight Rating
870 lbs
Wt Distributing Hitch - Max Tongue Wt.
2,928 lbs
Curb Weight - Front
8,700 lbs
Wt Distributing Hitch - Max Trailer Wt.
4,885 lbs
As Spec'd Curb Weight
5,800 lbs
Fifth Wheel Hitch - Max Trailer Wt.
2,315 lbs
Maximum Payload Capacity
24 gal
Fuel Tank Capacity, Approx
500 lbs
Dead Weight Hitch - Max Tongue Wt.
0 lbs
Total Option Weight
4,885 lbs
Curb Weight
2,315 lbs
As Spec'd Payload

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2026 GMC Sierra 1500 AT4

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