2020 GMC Sierra 3500 AT4 specs & colors

Crew Cab Pickup

Change trim

$59,500

Starting MSRP
Current listing price

2020 GMC Sierra 3500 AT4

Showing the 2020 GMC Sierra 3500 4WD Crew Cab 159" AT4

Shop Now

Key specs

4-door
5 seats
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
0 combined MPG
- TBD -" length, 80.24" height
Four Wheel Drive

Color options

Exterior

Oxford Brown Metallic

Interior

Jet Black with Kalahari accents

Packages

AT4 Preferred Equipment Group

$0

Starting MSRP
- includes standard equipment

Specifications

Highlights

Engine Type: Gas V8
MPG: -
Horsepower: 401 hp
445 hp
Seating Capacity: 5

Brakes

Rear Brake Rotor Diam x Thickness: 14.1 x 1.3 in
Brake Type: Pwr
Disc - Front (Yes or ): Yes
Brake ABS System (Second Line): N/A
Drum - Rear (Yes or ): N/A
Front Brake Rotor Diam x Thickness: 14 x 1.6 in
Brake ABS System: 4-Wheel
Disc - Rear (Yes or ): Yes

Electrical

Maximum Alternator Capacity (amps): 170
Cold Cranking Amps @ 0° F (Primary): 720

Engine

SAE Net Horsepower @ RPM: 401 @ 5200
Displacement: 6.6L/-TBD-
SAE Net Torque @ RPM: 464 @ 4000
Engine Type: Gas V8
Transmission Options: 6-Speed A/T
10-Speed A/T
A/T
MPG: -
Total Cooling System Capacity: N/A

Entertainment

Bluetooth®: Standard
Bluetooth®: Optional

Measurements

Cargo Box Width @ Top, Rear: N/A
Front Head Room: 43 in
Front Leg Room: 45 in
Length, Overall w/rear bumper: N/A
Cargo Volume: 70 ft³
Ground Clearance, Rear: 11 in
Front Hip Room: 61 in
Cargo Box Width @ Wheelhousings: 52 in
Overhang, Front: N/A
Cargo Box (Area) Height: 21 in
Ext'd Cab Cargo Volume: N/A
Ground to Top of Load Floor: N/A
Cargo Box Width @ Floor: 71 in
Ground Clearance, Front: 11 in
Tailgate Width: N/A
Length, Overall: 250 in
Length, Overall w/o rear bumper: N/A
Cargo Box Length @ Floor: 82 in
Width, Max w/o mirrors: 82 in
Wheelbase: 159 in
Passenger Capacity: 5
Overhang, Rear w/o bumper: N/A
Front Shoulder Room: 66 in
Second Shoulder Room: 65 in
Second Head Room: 40 in
Cab to End of Frame: N/A
Second Hip Room: 60 in
Height, Overall: 81 in
Second Leg Room: 43 in

Safety

Backup Camera: Optional
Stability Control: Standard

Steering

Turning Diameter - Wall to Wall: N/A
Turning Diameter - Curb to Curb: 53 ft
Steering Ratio (:1), Overall: N/A
Steering Type: Pwr Recirculating Ball

Suspension

Axle Type - Front: Independent
Suspension Type - Rear: Multi-Leaf
Suspension Type - Front: Independent
Axle Type - Rear: N/A

Tires & Wheels

Rear Tire Size: LT275/70R18
Spare Wheel Size: 18 x 8 in
Rear Wheel Size: 18 x 8 in
Front Wheel Size: 18 x 8 in
Front Tire Size: LT275/70R18
Rear Wheel Material: Aluminum
Spare Tire Size: LT275/70R18
Spare Wheel Material: Steel
Front Wheel Material: Aluminum

Weight & Capacity

Dead Weight Hitch - Max Trailer Wt.: 5,000 lbs
Total Option Weight: 0 lbs
Option Weight - Rear: 0 lbs
Base Curb Weight: N/A
Gross Vehicle Weight Rating: 11,350 lbs
Wt Distributing Hitch - Max Trailer Wt.: 14,500 lbs
Curb Weight - Front: 3,851 lbs
Maximum Payload Capacity: 4,584 lbs
Maximum Trailering Capacity: 20,000 lbs
As Spec'd Curb Weight: 7,006 lbs
Fuel Tank Capacity, Approx: 36 gal
Fifth Wheel Hitch - Max Tongue Wt.: 4,132 lbs
As Spec'd Payload: 4,344 lbs
Gross Combined Wt Rating: 24,000 lbs
Wt Distributing Hitch - Max Tongue Wt.: 1,450 lbs
Fifth Wheel Hitch - Max Trailer Wt.: 16,530 lbs
Aux Fuel Tank Capacity, Approx: N/A
Option Weight - Front: 0 lbs
Curb Weight - Rear: 2,915 lbs
Curb Weight: 6,766 lbs
Gross Axle Weight Rating: 12,050 lbs
Dead Weight Hitch - Max Tongue Wt.: 500 lbs

Compare trims

2020 GMC Sierra 3500 AT4

Wondering which trim is right for you?

Our 2020 GMC Sierra 3500 trim comparison will help you decide.