OverviewSpecifications
GMC Sierra 4WD AT4

GMC Sierra 4WD AT4 (2020) Specifications

The GMC Sierra 4WD AT4 is powered by a 6.2 L Diesel engine, paired with a 10 speed automatic transmission. It returns a combined fuel economy of 24 MPG. Body style is a Pickup Truck with 4 doors. It has a length of 231.7 in, width of 81.2 in, wheelbase of 147.5 in.

Fuel Economy
City MPG22
Highway MPG26
Combined MPG24
Annual Fuel Cost$3500
GHG Score4 / 10
Engine & Drivetrain
Engine Size3 L
Cylinders6
Fuel TypeDiesel
TransmissionAutomatic 10-spd
Drivetrain4-Wheel Drive
CO₂427 g/mi
Classification
TypeDiesel
Body & Engine
Body TypePickup Truck
Engine TypePetrol
Engine LayoutLongitudinal
Additional Specs
Doors4
Engine ManufacturerGeneral Motors
Engine Capacity6.2 L
Max Power420 hp
Max Torque460 lb-ft
Fuel Systemdirect petrol injection
Dimensions & Weight
Length231.7 in
Width81.2 in
Height75.5 in
Wheelbase147.5 in
Ground Clearance10.8 in
Fuel Tank Capacity24.0 gal
Performance & Chassis
Front TyresLT275/65R18
Rear TyresLT275/65R18
GMC Sierra 4WD AT4 Across Model Years
GMC Sierra 4WD AT42020GMC Sierra 4WD AT42021
Price——
Engine Capacity6.2 L5.3L
Fuel TypeDieselRegular
Transmission10 speed automaticAutomatic 10-spd
Body TypePickup TruckStandard Pickup Trucks 4WD