2026 GMC Sierra 1500 AT4 specs & colors

Crew Cab Pickup

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$68,800

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

4-door
5 seats
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
23 combined MPG
210.97" length, 75.7" height
Four Wheel Drive

Color options

Exterior

Moonstone Gray Metallic

Interior

Jet Black with Kalahari accents

Packages

AT4 Preferred Package

$350

Starting MSRP
- includes (UG1) Universal Home Remote and (A48) rear sliding power window
AT4 Preferred Equipment Group

$0

Starting MSRP
- includes standard equipment
Technology Package

$1,525

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

AT4 Premium Package

$1,545

Starting MSRP
- includes (PDO) AT4 Preferred Package and (VXW) Off-Road High Clearance Steps
LPO, Cargo Convenience Package

$595

Starting MSRP
- includes (S1O) Console-Mounted Safe
- LPO and (VBJ) rear under seat storage
- LPO
See more detail
$595

Starting MSRP
- includes (S1O) Console-Mounted Safe
- LPO and (VBJ) rear under seat storage
- LPO
- (dealer-installed)
LPO, Off-Road Appearance Package

$3,195

Starting MSRP
- (dealer-installed)
- includes (VXW) Off-Road High Clearance Step
- (S1H) Off-Road Recovery Kit
See more detail
$3,195

Starting MSRP
- (dealer-installed)
- includes (VXW) Off-Road High Clearance Step
- (S1H) Off-Road Recovery Kit
- LPO and (SBY) Sports Bar

Specifications

Highlights

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

Brakes

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

Electrical

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

Engine

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

Entertainment

Bluetooth®: Standard
Bluetooth®: Optional

Measurements

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

Safety

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

Steering

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

Suspension

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

Tires & Wheels

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

Weight & Capacity

Fuel Tank Capacity, Approx: 24 gal
Aux Fuel Tank Capacity, Approx: N/A
Gross Vehicle Weight Rating: 7,200 lbs
Total Option Weight: 0 lbs
Curb Weight: 4,883 lbs
Gross Axle Weight Rating: 7,600 lbs
Curb Weight - Rear: 1,956 lbs
Curb Weight - Front: 2,927 lbs
Base Curb Weight: N/A
Wt Distributing Hitch - Max Trailer Wt.: 8,700 lbs
Dead Weight Hitch - Max Tongue Wt.: 500 lbs
Dead Weight Hitch - Max Trailer Wt.: 5,000 lbs
Gross Combined Wt Rating: 15,000 lbs
Maximum Payload Capacity: 2,317 lbs
As Spec'd Payload: 2,317 lbs
As Spec'd Curb Weight: 4,883 lbs
Wt Distributing Hitch - Max Tongue Wt.: 870 lbs
Fifth Wheel Hitch - Max Trailer Wt.: 5,800 lbs
Fifth Wheel Hitch - Max Tongue Wt.: 1,450 lbs
Maximum Trailering Capacity: 9,000 lbs
Option Weight - Front: 0 lbs
Option Weight - Rear: 0 lbs

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2026 GMC Sierra 1500 AT4

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