10 Diesel Engines Packing the Most Horsepower You’ll Actually Care About

2. GM 6.6L LBZ V8 Duramax Turbo Diesel — Classic Truck Muscle

Made just for 2006-07 trucks like the Chevy Silverado HD, this 6.6L V8 puts out 360 HP and 650 lb-ft torque. It’s a favorite for work trucks thanks to its reliable power, right before new emissions rules forced GM to evolve their diesel lineup.