Skip to main content

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
$44,200
4WD Double Cab 147" Pro
$44,900
4WD Crew Cab 147" Pro
$47,500
4WD Crew Cab 157" Pro
$47,800
2WD Double Cab 147" SLE
$48,700
2WD Double Cab 147" Elevation
$50,500
4WD Double Cab 147" Elevation w/3VL
$50,800
2WD Crew Cab 147" SLE
$51,300
4WD Double Cab 147" SLE
$52,000
2WD Crew Cab 147" Elevation
$53,300
4WD Crew Cab 147" Elevation w/3VL
$53,600
4WD Double Cab 147" Elevation w/3SB
$53,800
4WD Crew Cab 147" SLE
$54,600
4WD Crew Cab 157" SLE
$54,900
2WD Crew Cab 147" SLT
$55,100
4WD Crew Cab 147" Elevation w/3SB
$56,600
4WD Crew Cab 157" Elevation
$56,900
4WD Crew Cab 147" SLT
$58,200
4WD Crew Cab 157" SLT
$58,900
2WD Crew Cab 147" Denali
$66,100
4WD Crew Cab 147" AT4
$67,000
4WD Crew Cab 157" AT4
$67,500
4WD Crew Cab 147" Denali
$69,400
4WD Crew Cab 157" Denali
$69,900
4WD Crew Cab 147" AT4X
$79,600
4WD Crew Cab 147" Denali Ultimate
$84,400
$67,000
Starting MSRP
Current listing price
2026 GMC Sierra 1500 AT4

Showing the 2026 GMC Sierra 1500 4WD Crew Cab 147" AT4

Shop Now

Key specs

Color options

Interior
Jet Black with Kalahari accents

Packages

  • $350

    Starting MSRP

    • includes (UG1) Universal Home Remote and (A48) rear sliding power window
  • $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)
  • $1,525

    Starting MSRP

    • includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display(Includes (UVN) Bed View Camera.)
  • $1,545

    Starting MSRP

    • includes (PDO) AT4 Preferred Package and (VXW) Off-Road High Clearance Steps
  • $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
  • $1,495

    Starting MSRP

    • (dealer-installed)
    • includes (RVY) Bedside Utility Wall Package
    • (5WI) Utility Wall Latch Kit
    See more detail
    • (dealer-installed)
    • includes (RVY) Bedside Utility Wall Package
    • (5WI) Utility Wall Latch Kit
    • LPO and (SJS) Front Bed Utility Wall Package
  • $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

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 )
13 x 1.18 in
Front Brake Rotor Diam x Thickness
13.6 x 0.79 in
Rear Brake Rotor Diam x Thickness
N/A
Drum - Rear (Yes or )

Electrical

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

Engine

3.0L/-TBD-
Displacement
305 @ 3750
SAE Net Horsepower @ RPM
495 @ 2750
SAE Net Torque @ RPM
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

Optional
Bluetooth®
Standard
Bluetooth®

Measurements

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

Safety

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

Steering

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

Suspension

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

Tires & Wheels

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

Weight & Capacity

24 gal
Fuel Tank Capacity, Approx
N/A
Aux Fuel Tank Capacity, Approx
7,600 lbs
Gross Axle Weight Rating
4,826 lbs
Curb Weight
0 lbs
Total Option Weight
7,200 lbs
Gross Vehicle Weight Rating
4,826 lbs
As Spec'd Curb Weight
2,374 lbs
As Spec'd Payload
2,374 lbs
Maximum Payload Capacity
15,000 lbs
Gross Combined Wt Rating
5,000 lbs
Dead Weight Hitch - Max Trailer Wt.
500 lbs
Dead Weight Hitch - Max Tongue Wt.
8,700 lbs
Wt Distributing Hitch - Max Trailer Wt.
870 lbs
Wt Distributing Hitch - Max Tongue Wt.
0 lbs
Option Weight - Rear
6,700 lbs
Fifth Wheel Hitch - Max Trailer Wt.
1,675 lbs
Fifth Wheel Hitch - Max Tongue Wt.
9,000 lbs
Maximum Trailering Capacity
0 lbs
Option Weight - Front
1,981 lbs
Curb Weight - Rear
2,845 lbs
Curb Weight - Front
N/A
Base Curb Weight

Compare trims

2026 GMC Sierra 1500 AT4

Wondering which trim is right for you?