2024 GMC Sierra 1500 Horsepower

The 2.7-liter turbo I-4 engine delivers 310 horsepower and 430 lb-ft torque. The 5.3-liter V-8 engine gets  355 horsepower and 383 lb-ft torque. The 6.2-liter V-8 on the other hand produces 420 horsepower and 460 lb-ft torque while the 3.0-liter turbodiesel inline-six engine delivers 305 horsepower and 495 lb-ft torque.