With a 3-way battle over the years for horsepower and torque supremacy, Chrysler, Ford and GMC were eager to enter their latest pickup diesel offerings in the first-ever Best Engines Diesel Shootout, conducted by editors from Fleet Owner and our sister media outlet Ward’s. When the dust settled at the Flat Rock test track, lightweight materials, clever packaging, unimpeachable specs and superior NVH combine for what is arguably the finest heavy-duty pickup diesel of the modern era.