CARFAX One-Owner. Crystal Metallic 2016 Ram 3500 Laramie RWD 6-Speed Automatic Cummins 6.7L I6 Turbodiesel Reviews: * Monumental torque with diesel and automatic powertrain, high-quality interior, Mega Cab's roomy rear seat, quiet highway ride. Source: Edmunds * Massive interior room, low step-in height, available fuel-efficient diesel engine. Source: Edmunds