OverviewSpecificationsPrice
GMC Sierra 4WD AT4X

GMC Sierra 4WD AT4X (2025) Specifications

The GMC Sierra 4WD AT4X is powered by a 6.2L Premium engine, paired with a 10 speed automatic transmission. It returns a combined fuel economy of 15 MPG. Body style is a Pickup Truck with 4 doors.

Fuel Economy
City MPG14
Highway MPG16
Combined MPG15
Annual Fuel Cost$5450
GHG Score2 / 10
Engine & Drivetrain
Engine Size6.2 L
Cylinders8
Fuel TypePremium
TransmissionAutomatic 10-spd
Drivetrain4-Wheel Drive
CO₂601 g/mi
Classification
Body & Engine
Body TypePickup Truck
AspirationTurbocharged
Engine TypePetrol
Engine LayoutLongitudinal
Additional Specs
Doors4
Engine ManufacturerGeneral Motors
Engine Capacity6.2L
Max Power420 hp
Max Torque460 lb-ft
Wheel Size20 inch
BrakesFour-wheel disc
Fuel SystemDirect Injection
Dimensions & Weight
Ground Clearance10.7 inches
Fuel Tank Capacity24.0 gallons
Performance & Chassis
Front Tyres33-inch Goodyear Wrangler Territory MT
Rear Tyres33-inch Goodyear Wrangler Territory MT
GMC Sierra 4WD AT4X Across Model Years
GMC Sierra 4WD AT4X2023GMC Sierra 4WD AT4X2024GMC Sierra 4WD AT4X2025GMC Sierra 4WD AT4X2026
Price$83,995$85,900$87,000—
Engine Capacity6.2L2.7L6.2L3L
Fuel TypePremiumRegularPremiumDiesel
TransmissionAutomatic 10-spdAutomatic 8-spd10 speed automaticAutomatic 10-spd
Body TypeStandard Pickup Trucks 4WDStandard Pickup Trucks 4WDPickup TruckStandard Pickup Trucks 4WD