AT4X 6.2 V8 T1XX

T1XX · 2022–present4WDPickup

Hard-core off-road trim: 2-inch factory lift, Multimatic DSSV dampers, front and rear e-locking differentials, 33-inch Goodyear Wrangler Territory MT tires. 6.2L V8 was the only engine for 2022-2023; the 3.0L Duramax became standard for 2024 with the 6.2L still available.

414 hpPower

2022Year

Engineering passport

Specifications

Powertrain

Engineering details

Engine6.2 V8 (L87)

Displacement6.2 L

Cylinders8

FuelPetrol

Transmission10-speed Automatic

Drivetrain4WD

Performance

Numbers that matter

Power414 hp

Torque624 Nm

BodyPickup

STORY

The Sierra 1500 is GMC's half-ton full-size pickup and the volume model of the Sierra line, sharing its architecture with the Chevrolet Silverado 1500. It has long served as GMC's flagship truck, carrying premium features and the Denali luxury trim that helped establish the brand's upmarket identity. Successive generations have moved from the GMT800 and GMT900 platforms to the K2XX and current T1XX architecture.

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