V8 Turbo Diesel 440 @ 2,800 925 @ 1,800–2,000 6.8L V10 gas5 288 @ 4,000 424 @ 3,000 6.7L Power Stroke V8 Turbo Diesel 330 @ 2,600 750 @ 2,000 Transmission Six-speed SelectShift® auto with selectable drive modes (3.3L engine only) TorqShift® heavy-duty six-speed SelectShift auto TorqShift heavy-duty six-speed SelectShift auto