2026 GMC Sierra 3500 AT4 specs & colors

Crew Cab Pickup

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$72,800

Starting MSRP
Current listing price

Showing the 2026 GMC Sierra 3500 4WD Crew Cab 159" AT4

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Key specs

4-door

5 seats

470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

0 combined MPG

- TBD -" length, 80.24" height

Four Wheel Drive

Color options

Exterior

Interior

Jet Black with Kalahari accents

Packages

AT4 Preferred Equipment Group

$0

Starting MSRP
- includes standard equipment

Specifications

Highlights

Gas V8

Engine Type

MPG

401 hp
470 hp

Horsepower

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

720

Cold Cranking Amps @ 0° F (Primary)

170

Maximum Alternator Capacity (amps)

Engine

Gas V8

Engine Type

6.6L/-TBD-

Displacement

401 @ 5200

SAE Net Horsepower @ RPM

464 @ 4000

SAE Net Torque @ RPM

10-Speed A/T
A/T

Transmission Options

MPG

N/A

Total Cooling System Capacity

Entertainment

Standard

Bluetooth®

Optional

Bluetooth®

Measurements

N/A

Overhang, Rear w/o bumper

N/A

Cab to End of Frame

N/A

Ground to Top of Load Floor

11 in

Ground Clearance, Front

11 in

Ground Clearance, Rear

82 in

Cargo Box Length @ Floor

N/A

Cargo Box Width @ Top, Rear

71 in

Cargo Box Width @ Floor

52 in

Cargo Box Width @ Wheelhousings

21 in

Cargo Box (Area) Height

N/A

Tailgate Width

70 ft³

Cargo Volume

N/A

Ext'd Cab Cargo Volume

N/A

Overhang, Front

Passenger Capacity

81 in

Height, Overall

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

159 in

Wheelbase

N/A

Length, Overall w/o rear bumper

N/A

Length, Overall w/rear bumper

251 in

Length, Overall

82 in

Width, Max w/o mirrors

Safety

Standard

Stability Control

Optional

Backup Camera

Optional

Rear Cross Traffic Alert

Standard

Lane Departure Warning

Standard

Navigation System

Steering

Pwr Recirculating Ball

Steering Type

N/A

Steering Ratio (:1), Overall

53 ft

Turning Diameter - Curb to Curb

N/A

Turning Diameter - Wall to Wall

Suspension

Short/Long Arm w/Torsion Bars

Suspension Type - Front

3-Stage Multi-Leaf

Suspension Type - Rear

Independent

Axle Type - Front

N/A

Axle Type - Rear

Tires & Wheels

LT275/70R18

Front Tire Size

LT275/70R18

Rear Tire Size

LT275/70R18

Spare Tire Size

18 x 8 in

Front Wheel Size

18 x 8 in

Rear Wheel Size

18 x 8 in

Spare Wheel Size

Aluminum

Front Wheel Material

Aluminum

Rear Wheel Material

Steel

Spare Wheel Material

Weight & Capacity

11,550 lbs

Gross Vehicle Weight Rating

12,050 lbs

Gross Axle Weight Rating

6,979 lbs

Curb Weight

0 lbs

Total Option Weight

N/A

Base Curb Weight

4,041 lbs

Curb Weight - Front

2,938 lbs

Curb Weight - Rear

0 lbs

Option Weight - Front

0 lbs

Option Weight - Rear

6,979 lbs

As Spec'd Curb Weight

4,571 lbs

As Spec'd Payload

4,571 lbs

Maximum Payload Capacity

24,000 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

36 gal

Fuel Tank Capacity, Approx

N/A

Aux Fuel Tank Capacity, Approx

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