OverviewSpecifications
GMC Sierra 4WD AT4

GMC Sierra 4WD AT4 (2021) Specifications

The GMC Sierra 4WD AT4 is powered by a 6.2 L Regular engine, paired with a 10 speed automatic transmission. It returns a combined fuel economy of 17 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 MPG15
Highway MPG21
Combined MPG17
Annual Fuel Cost$3950
GHG Score3 / 10
Engine & Drivetrain
Engine Size5.3 L
Cylinders8
Fuel TypeRegular
TransmissionAutomatic 10-spd
Drivetrain4-Wheel Drive
CO₂523 g/mi
Classification
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
Wheel Size20 inch
BrakesFour-wheel disc
Fuel SystemDirect Injection
Dimensions & Weight
Length231.7 in
Width81.2 in
Height75.5 in
Wheelbase147.5 in
Ground Clearance10.8 in
Kerb Weight5350 lbs
Fuel Tank Capacity24.0 gal
Performance & Chassis
Front TyresLT275/65R20
Rear TyresLT275/65R20
GMC Sierra 4WD AT4 Across Model Years
GMC Sierra 4WD AT42020GMC Sierra 4WD AT42021
Price——
Engine Capacity3L6.2 L
Fuel TypeDieselRegular
TransmissionAutomatic 10-spd10 speed automatic
Body TypeStandard Pickup Trucks 4WDPickup Truck