The 2024 Chevrolet Silverado 1500 ZR2 with the 3.0L Duramax turbo-diesel engine is a highly regarded, versatile off-road focused half-ton pickup known for its great balance of fuel economy, torque, and comfort. Engine & Performance The available 3.0L Duramax turbo-diesel inline-six engine is standard for the ZR2 trim and provides substantial power and torque that is particularly useful for off-roading and towing. Horsepower: 305 hp @ 3,750 rpm. Torque: 495 lb-ft @ 1,500 rpm. Transmission: Paired with a 10-speed automatic transmission. Performance Review: Reviewers note the engine provides plenty of beefy low-end torque with snappy acceleration, and without any turbo lag. The power delivery is smooth, making it lively on streets and fun in the dirt.